Subclasses list- 1 HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS
Patents: 147 Patent Applications: 55 - 2 Cyclopentanohydrophenanthrene ring system containing
Patents: 33 Patent Applications: 11 - 3 Heavy metal or aluminum containing
Patents: 17 Patent Applications: 5 - 4 Boron or silicon containing
Patents: 75 Patent Applications: 6 - 5 Phosphorus attached directly or indirectly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Patents: 34 Patent Applications: 8 - 6 Spiro
Patents: 12 Patent Applications: 2 - 7 Plural spiro atoms
Patents: 13 Patent Applications: 0 - 8 The cyclopentanohydrophenanthrene ring system is part of a polycyclo ring system having at least five cyclos
Patents: 20 Patent Applications: 3 - 9 Nitrogen containing hetero ring as one of the cyclos of the polycyclo ring system
Patents: 4 Patent Applications: 1 - 10 The cyclopentanohydrophenanthrene ring system shares spiro atoms with two hetero rings, each of which contains two oxygens (e.g., 3,17-bis-ketals, etc.)
Patents: 20 Patent Applications: 0 - 11 The cyclopentanohydrophenanthrene ring system shares a spiro atom with a lactone ring (i.e., -C(=X)-O- is part of the ring, wherein X is chalcogen)
Patents: 5 Patent Applications: 1 - 12 Plural oxygens in both rings which share a spiro atom (e.g., 17,20;20,21 bismethylenedioxy-pregnanes, etc.)
Patents: 11 Patent Applications: 0 - 13 Nitrogen, sulfur, cyano or -C(=X)-, wherein X is chalcogen, bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 7 Patent Applications: 0 - 14 Halogen attached directly or indirectly to the cyclopentanohydrophenanthrene ring system by acyclic nonionic bonding
Patents: 10 Patent Applications: 0 - 15 The cyclopentanohydrophenanthrene ring system is part of a polycyclo ring system having at least five cyclos
Patents: 40 Patent Applications: 9 - 16 Hetero ring is one of the cyclos of the polycyclo ring system
Patents: 11 Patent Applications: 2 - 17 The hetero ring is five-membered, consisting of one oxygen and four carbons, and shares the spiro atom with a six-membered oxygen containing hetero ring (e.g., sapogenins, etc.)
Patents: 10 Patent Applications: 8 - 18 Purification or recovery
Patents: 6 Patent Applications: 1 - 19 Chalcogen bonded directly at the 12-position of the cyclopentanohydrophenanthrene ring system (e.g., hecogenin, etc.)
Patents: 4 Patent Applications: 0 - 20 Chalcogen bonded directly at the 11-position of the cyclopentanohydrophenanthrene ring system
Patents: 7 Patent Applications: 0 - 21 Chalcogen bonded directly at the 7-position of the cyclopentanohydrophenanthrene ring system
Patents: 0 Patent Applications: 0 - 22 Halogen, cyano, nitrogen or sulfur bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 3 Patent Applications: 2 - 23 The spiro atom is the 17-position carbon of the cyclopentanohydrophenanthrene ring system
Patents: 36 Patent Applications: 13 - 24 The hetero ring shares the 11,12,13-positions of the cyclopentanohydrophenanthrene ring system (i.e., bridged; e.g., 11,18-oxido steroids, etc.)
Patents: 5 Patent Applications: 0 - 25 The hetero ring is three-membered consisting of one oxygen and two carbons (e.g., oxirane, etc.)
Patents: 18 Patent Applications: 1 - 26 The hetero ring shares the 5,6-positions of the cyclopentanohydrophenanthrene ring system
Patents: 8 Patent Applications: 0 - 27 The hetero ring contains two chalcogens which are bonded directly at the 16 and 17-positions of the cyclopentanohydrophenanthrene ring system
Patents: 12 Patent Applications: 0 - 28 The spiro includes the cyclopentanohydrophenanthrene ring system and a hetero ring
Patents: 28 Patent Applications: 2 - 29 Nitrogen in the spiro hetero ring
Patents: 26 Patent Applications: 1 - 30 Sulfur in the spiro hetero ring
Patents: 40 Patent Applications: 1 - 31 Plural oxygens in the spiro hetero ring
Patents: 35 Patent Applications: 5 - 32 The A ring is a benzene ring
Patents: 11 Patent Applications: 1 - 33 Chalcogen bonded directly to the spiro hetero ring
Patents: 27 Patent Applications: 1 - 34 The spiro hetero ring shares the 3-position carbon of the cyclopentanohydrophenanthrene ring system
Patents: 42 Patent Applications: 1 - 35 Halogen bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 15 Patent Applications: 0 - 36 Nitrogen attached directly or indirectly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Patents: 24 Patent Applications: 0 - 37 Plural cyclic ketal rings containing (e.g., 3,20-bis-ketals, etc.)
Patents: 7 Patent Applications: 0 - 38 Chalcogen bonded directly at the 11-position of the cyclopentanohydrophenanthrene ring system
Patents: 14 Patent Applications: 0 - 39 The cyclopentanohydrophenanthrene ring system is fully saturated
Patents: 10 Patent Applications: 0 - 40 Carbon chain having carbon-to-carbon unsaturation bonded directly at the 17 position of the cyclopentanohydrophenanthrene ring system
Patents: 20 Patent Applications: 0 - 41 The spiro hetero ring contains -C(=X)-O-, wherein X is chalcogen, as part of the ring (e.g., spiro-lactones, etc.)
Patents: 54 Patent Applications: 5 - 42 Sulfur bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 15 Patent Applications: 0 - 43 Chalcogen bonded directly at the 11-position of the cyclopentanohydrophenanthrene ring system
Patents: 10 Patent Applications: 1 - 44 Chalcogen, halogen, or nitrogen attached indirectly to the cyclopentanohydrophenanthrene ring system by acyclic nonionic bonding
Patents: 27 Patent Applications: 2 - 45 The spiro hetero ring is four-membered consisting of one oxygen and three carbons
Patents: 5 Patent Applications: 1 - 46 The spiro hetero ring is three-membered consisting of one oxygen and two carbons (e.g., oxirane, etc.)
Patents: 18 Patent Applications: 1 - 47 The cyclopentanohydrophenanthrene ring system is part of a polycyclo ring system having at least five cyclos
Patents: 21 Patent Applications: 11 - 48 Hetero ring is one of the cyclos of the polycyclo ring system
Patents: 3 Patent Applications: 5 - 49 The hetero ring contains nitrogen
Patents: 6 Patent Applications: 4 - 50 Plural nitrogens in the hetero ring
Patents: 7 Patent Applications: 2 - 51 The hetero ring is five-membered
Patents: 17 Patent Applications: 5 - 52 The hetero ring consists of two nitrogens and three carbons and is ortho fused to the A ring
Patents: 10 Patent Applications: 3 - 53 Having -C(=X)-, wherein X is chalcogen, bonded directly at the 17-position of the cyclopentanohydrophenanthrene ring system
Patents: 4 Patent Applications: 4 - 54 The hetero ring consists of two nitrogens and three carbons and is ortho fused to the D ring
Patents: 4 Patent Applications: 0 - 55 Chalcogen in the hetero ring
Patents: 3 Patent Applications: 3 - 56 The hetero ring is five-membered
Patents: 10 Patent Applications: 4 - 57 The hetero ring is ortho-fused to the A ring
Patents: 14 Patent Applications: 3 - 58 The hetero ring is five-membered
Patents: 5 Patent Applications: 7 - 59 The hetero ring contains sulfur
Patents: 6 Patent Applications: 2 - 60 The hetero ring is a cyclic anhydride (i.e., containing -C(=X)-O-C(=Y)- as part of the ring, wherein X and Y are chalcogen; e.g., 5,8-maleic anhydride adduct of 5,7,9(11)-pregnatrien-3,20-di-one, etc.)
Patents: 4 Patent Applications: 1 - 61 The hetero ring contains plural oxygens
Patents: 13 Patent Applications: 4 - 62 Two of the cyclos share at least three ring members or a ring carbon is shared by three of the cyclos (e.g., bridged, peri-fused, etc.)
Patents: 10 Patent Applications: 1 - 63 The hetero ring is ortho-fused to the D ring
Patents: 57 Patent Applications: 13 - 64 At least six cyclos in the polycyclo ring system
Patents: 11 Patent Applications: 0 - 65 Nitrogen or acyclic chalcogen bonded directly to the hetero ring (e.g., cyclic carbonates, etc.)
Patents: 16 Patent Applications: 2 - 66 The A ring is a benzene ring
Patents: 6 Patent Applications: 4 - 67 Sulfur or nitrogen attached directly or indirectly to the cyclopentanohydrophenanthrene ring system by acyclic nonionic bonding
Patents: 26 Patent Applications: 5 - 68 Halogen attached indirectly to the cyclopentanohydrophenanthrene ring system by acyclic nonionic bonding
Patents: 15 Patent Applications: 0 - 69 Halogen bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 38 Patent Applications: 0 - 70 Oxygen bonded directly at the 11-position of the cyclopentanohydrophenanthrene ring system
Patents: 60 Patent Applications: 7 - 71 Oxygen attached directly to the B ring or indirectly to the A or B ring by acyclic nonionic bonding
Patents: 7 Patent Applications: 1 - 72 The hetero ring is a lactone (i.e., containing -C(=X)-O- as part of the ring, wherein X is chalcogen)
Patents: 5 Patent Applications: 2 - 73 The lactone ring shares at least three ring members with one other cyclo of the polycylo ring system (i.e., bridged)
Patents: 1 Patent Applications: 0 - 74 The lactone ring shares the 11,12,13-positions of the cyclopentanohydrophenanthrene ring system (e.g., 11, 18-lactones, etc.)
Patents: 3 Patent Applications: 0 - 75 The lactone ring shares a ring carbon with two other cyclos of the polycyclo ring system (e.g., peri-fused, etc.)
Patents: 0 Patent Applications: 0 - 76 The hetero ring is three-membered consisting of one oxygen and two carbons (e.g., oxirane, etc.)
Patents: 34 Patent Applications: 6 - 77 The polycyclo ring system contains plural oxirane rings
Patents: 6 Patent Applications: 1 - 78 The hetero ring shares the 1,2-positions of the cyclopentanohydrophenanthrene ring system
Patents: 17 Patent Applications: 2 - 79 The hetero ring shares the 4,5-positions of the cyclopentanohydrophenanthrene ring system
Patents: 10 Patent Applications: 2 - 80 The hetero ring shares the 5,6-positions of the cyclopentanohydrophenanthrene ring system
Patents: 17 Patent Applications: 2 - 81 The hetero ring shares the 6,7-positions of the cyclopentanohydrophenanthrene ring system
Patents: 3 Patent Applications: 3 - 82 The hetero ring shares the 11,12-positions of the cyclopentanohydrophenanthrene ring system
Patents: 0 Patent Applications: 2 - 83 The hetero ring shares the 14,15-positions of the cyclopentanohydrophenanthrene ring system
Patents: 10 Patent Applications: 3 - 84 The hetero ring shares the 16,17-positions of the cyclopentanohydrophenanthrene ring system
Patents: 12 Patent Applications: 0 - 85 Halogen bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 6 Patent Applications: 0 - 86 Saturated A ring
Patents: 2 Patent Applications: 0 - 87 The hetero ring shares the 9,11-positions of the cyclopentanohydrophenanthrene ring system
Patents: 27 Patent Applications: 0 - 88 Halogen bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 40 Patent Applications: 0 - 89 Having -C(=X)-, wherein X is chalcogen, bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 27 Patent Applications: 0 - 90 The hetero ring shares at least three ring members with one other cyclo of the polycyclo ring system (i.e., bridged)
Patents: 9 Patent Applications: 2 - 91 Bridge consisting of oxygen and carbon between the 6- and 10-positions of the cyclopentanohydrophenanthrene ring system (e.g., 6,19-oxido steroids, etc.)
Patents: 11 Patent Applications: 1 - 92 Bridge consisting of oxygen and carbon between the 11- and 13-positions of the cyclopentanohydrophenanthrene ring system (e.g., 11,18-oxido steroids, etc.)
Patents: 11 Patent Applications: 0 - 93 The hetero ring shares a ring carbon with two other cyclos of the polycyclo ring system (e.g., peri-fused, etc.)
Patents: 5 Patent Applications: 3 - 94 Hetero ring attached directly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Patents: 43 Patent Applications: 1 - 95 The hetero ring contains nitrogen
Patents: 48 Patent Applications: 13 - 96 Plural nitrogen containing hetero rings bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 30 Patent Applications: 5 - 97 The hetero ring is bonded directly at the 3-position of the cyclopentanohydrophenanthrene ring system
Patents: 30 Patent Applications: 1 - 98 The A ring is a benzene ring
Patents: 6 Patent Applications: 0 - 99 Halogen bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 17 Patent Applications: 0 - 100 The hetero ring contains plural chalcogens
Patents: 17 Patent Applications: 3 - 101 The hetero ring and acyclic chalcogen are both bonded directly at the 17 position of the cyclopentanohydrophenanthrene ring system
Patents: 9 Patent Applications: 0 - 102 The hetero ring contains -C(=X)-O-, wherein X is chalcogen, as part of the ring (e.g., lactones, etc.)
Patents: 16 Patent Applications: 2 - 103 Additional chalcogen, cyano, or -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
Patents: 8 Patent Applications: 0 - 104 Nitrogen or sulfur attached directly or indirectly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Patents: 18 Patent Applications: 4 - 105 Chalcogen bonded directly at the 14-position of the cyclopentanohydrophenanthrene ring system or double bond in the D ring (e.g., cardenolides, etc.)
Patents: 26 Patent Applications: 2 - 106 Nitrogen attached directly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Patents: 47 Patent Applications: 5 - 107 Nitrogen containing hetero ring attached indirectly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Patents: 77 Patent Applications: 44 - 108 The hetero ring is five-membered and has plural hetero atoms
Patents: 88 Patent Applications: 7 - 109 The hetero ring is in the 17-position substituent of the cyclopentanohydrophenanthrene ring system
Patents: 42 Patent Applications: 2 - 110 The hetero ring is bonded directly to a -C(=X)- group, wherein X is chalcogen
Patents: 69 Patent Applications: 2 - 111 Having -C(=X)-, wherein X is chalcogen, bonded directly at the 17-position of the cyclopentanohydrophenanthrene ring system
Patents: 35 Patent Applications: 6 - 112 Chalcogen or nitrogen in chain between the hetero ring and the cyclopentanohydrophenanthrene ring system
Patents: 39 Patent Applications: 2 - 113 Chalcogen in chain between the hetero ring and the cyclopentanohydrophenanthrene ring system
Patents: 71 Patent Applications: 10 - 114 Oxygen containing hetero ring attached indirectly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Patents: 103 Patent Applications: 15 - 115 The hetero ring contains -C(=X)-O-, wherein X is chalcogen, as part of the ring (e.g., lactones, etc.)
Patents: 21 Patent Applications: 5 - 116 Additional hetero atom in the oxygen containing hetero ring
Patents: 36 Patent Applications: 1 - 117 The A ring is a benzene ring
Patents: 30 Patent Applications: 3 - 118 The hetero ring is bonded directly to chalcogen which is bonded directly to the cyclopentanohydrophenanthrene ring system
Patents: 56 Patent Applications: 1 - 119 The chalcogen is bonded directly at the 17-position of the cyclopentanohydrophenanthrene ring system
Patents: 24 Patent Applications: 0 - 120 Chalcogen attached indirectly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Patents: 31 Patent Applications: 9 - 121 Azaporphyrins
Patents: 37 Patent Applications: 18 - 122 Phthalocyanines
Patents: 182 Patent Applications: 18 - 123 Hetero ring attached directly or indirectly to the phthalocyanine ring system by nonionic bonding
Patents: 93 Patent Applications: 16 - 124 The hetero ring is six-membered having nitrogen as a ring member
Patents: 68 Patent Applications: 4 - 125 Plural hetero atoms in the six-membered hetero ring
Patents: 101 Patent Applications: 12 - 126 Triazines (including hydrogenated)
Patents: 94 Patent Applications: 10 - 127 The hetero ring is five-membered having plural hetero atoms, at least one of which is nitrogen
Patents: 41 Patent Applications: 7 - 128 Boron, germanium, phosphorus or silicon containing
Patents: 119 Patent Applications: 26 - 129 Having -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the phthalocyanine ring system (e.g., tetracarboxy copper phthalocyanine, etc.)
Patents: 21 Patent Applications: 7 - 130 Having -C(=X)-, wherein X is chalcogen, attached indirectly to ring carbon of the phthalocyanine ring system by nonionic bonding (e.g., phthalocyanine acetic acids, etc.)
Patents: 59 Patent Applications: 8 - 131 Sulfonyl bonded directly to ring carbon of the phthalocyanine ring system
Patents: 57 Patent Applications: 12 - 132 Chalcogen bonded directly to the sulfonyl group
Patents: 66 Patent Applications: 6 - 133 Nitrogen bonded directly to the sulfonyl group
Patents: 62 Patent Applications: 10 - 134 Additional nitrogen in the sulfonyl containing substituent
Patents: 55 Patent Applications: 0 - 135 Nitrogen attached indirectly to ring carbon of the phthalocyanine ring system by acyclic nonionic bonding
Patents: 50 Patent Applications: 8 - 136 Halogen bonded directly to ring carbon of the phthalocyanine ring system
Patents: 66 Patent Applications: 8 - 137 At least eight halogens bonded directly to ring carbons of the phthalocyanine ring system
Patents: 49 Patent Applications: 2 - 138 Processes of halogenating the phthalocyanine ring system
Patents: 26 Patent Applications: 0 - 139 Metal containing
Patents: 175 Patent Applications: 23 - 140 Heavy metal or aluminum containing
Patents: 262 Patent Applications: 58 - 141 Specified crystalline form or processes of milling (e.g., alpha crystalline form, ball milling, acid milling, etc.)
Patents: 199 Patent Applications: 16 - 142 Processes of forming the phthalocyanine ring system
Patents: 42 Patent Applications: 4 - 143 From reactant which contains plural cyano groups (e.g., preparing from phthalonitrile, etc.)
Patents: 52 Patent Applications: 7 - 144 From reactant which contains plural carbonyl groups (e.g., preparing from phthalic anhydride, etc.)
Patents: 34 Patent Applications: 3 - 145 Porphyrins (including hydrogenated; e.g., chlorophyll, etc.)
Patents: 546 Patent Applications: 212 - 200 Hetero ring is four-membered containing nitrogen and having chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen
Patents: 365 Patent Applications: 132 - 201 Heavy metal containing
Patents: 52 Patent Applications: 0 - 202 Plural hetero atoms in the hetero ring
Patents: 95 Patent Applications: 5 - 203 Polycyclo ring system containing the hetero ring as one of the cyclos
Patents: 81 Patent Applications: 13 - 204 The ring nitrogen is shared by a ring containing at least seven members
Patents: 7 Patent Applications: 1 - 205 The ring nitrogen is shared by a six-membered ring
Patents: 117 Patent Applications: 6 - 214 The six-membered ring contains sulfur
Patents: 38 Patent Applications: 0 - 215 1-thia-5-aza-bicyclo(4.2.0)octane (including unsaturated; e.g., cepham, etc.)
Patents: 461 Patent Applications: 10 - 216 The 1-thia-5-aza-bicyclo(4.2.0)oct-ane is part of a polycyclo ring system having at least three cyclos
Patents: 20 Patent Applications: 0 - 217 Double bond between the 2,3-positions of the bicyclo ring system (e.g., 2 cephem, etc.)
Patents: 77 Patent Applications: 7 - 218 Ring expansion to produce the bicyclo ring system
Patents: 66 Patent Applications: 0 - 219 7-amino cephalosporanic acid per se or salt thereof (i.e., 7-ACA or salt thereof)
Patents: 55 Patent Applications: 7 - 220 Purification or recovery
Patents: 80 Patent Applications: 3 - 221 7,7-disubstituted
Patents: 463 Patent Applications: 3 - 222 Additional hetero ring containing
Patents: 866 Patent Applications: 94 - 223 2- or 4-position substituent contains hetero ring
Patents: 87 Patent Applications: 3 - 224 3-position substituent contains a pyridine ring (e.g., quinoline, thienopyridine, lutidines, etc.)
Patents: 187 Patent Applications: 4 - 225 7-position substituent contains hetero ring
Patents: 479 Patent Applications: 5 - 226 3-position substituent contains sulfur
Patents: 509 Patent Applications: 5 - 227 7-position substituent contains hetero ring
Patents: 787 Patent Applications: 13 - 228 Alkyl, hydroxyalkyl, alkoxyalkyl or alkanoyloxyalkyl bonded directly to 3 position
Patents: 505 Patent Applications: 8 - 229 Sulfur containing substituent
Patents: 203 Patent Applications: 1 - 230 Alkyl, hydroxyalkyl, alkoxyalkyl or alkanoyloxyalkyl bonded directly to 3 position
Patents: 421 Patent Applications: 7 - 300 The six-membered ring contains oxygen
Patents: 88 Patent Applications: 1 - 301 1-oxa-5-aza-bicyclo(4.2.0)octane (including unsaturated)
Patents: 129 Patent Applications: 2 - 302 The ring nitrogen is shared by a five-membered ring
Patents: 236 Patent Applications: 10 - 303 The five-membered ring contains an additional hetero atom
Patents: 12 Patent Applications: 2 - 304 1-thia-4-aza-bicyclo(3.2.0)hep-tane (including unsaturated; e.g., penam, etc.)
Patents: 47 Patent Applications: 6 - 305 The 1-thia-4-aza-bicyclo(3.2.0)hep-tane is part of a polycyclo ring system having at least three cyclos
Patents: 9 Patent Applications: 0 - 306 Plural 1-thia-4-aza-bicyclo(3.2.0)hep-tane ring systems attached directly or indirectly to each other by nonionic bonding
Patents: 43 Patent Applications: 0 - 307 Spiro
Patents: 14 Patent Applications: 0 - 308 The 6-position substituent contains phosphorus attached directly or indirectly to the bicyclo ring system by nonionic bonding
Patents: 23 Patent Applications: 0 - 309 Nitrogen containing hetero ring attached directly at the 3-position of the bicyclo ring system
Patents: 15 Patent Applications: 1 - 310 Having -C(=X)-, wherein X is chalcogen, bonded directly at the 3-position of the bicyclo ring system
Patents: 328 Patent Applications: 16 - 311 Nitrogen or hydrogen bonded directly to the -C(=X)- group
Patents: 15 Patent Applications: 1 - 312 Nitrogen bonded directly at the 6-position of the bicyclo ring system
Patents: 107 Patent Applications: 1 - 313 The 2-position substituent contains chalcogen, nitrogen or halogen
Patents: 39 Patent Applications: 1 - 314 Having -C(=X)-, wherein X is chalcogen, single bonded directly to the nitrogen (e.g., penicillin F, etc.)
Patents: 52 Patent Applications: 6 - 315 Processes utilizing penam containing compound
Patents: 23 Patent Applications: 2 - 316 Introduction of -C(=X)- group, wherein X is chalcogen, onto nitrogen (e.g., carboxamide formation, etc.)
Patents: 37 Patent Applications: 1 - 317 Boron, silicon or phosphorus containing reactant
Patents: 32 Patent Applications: 1 - 318 Esterification of the 3-position -C(=X)X- group, wherein the X's may be the same or diverse chalcogens
Patents: 18 Patent Applications: 0 - 319 Sulfur-oxidation, epimerization, 6-alkoxylation, de-esterification or reduction
Patents: 24 Patent Applications: 0 - 320 Formation of solvate or anhydrous forms, or special crystalline forms
Patents: 11 Patent Applications: 1 - 321 Conversion of amine salts to metal salts
Patents: 4 Patent Applications: 0 - 322 Purification utilizing solid adsorbent
Patents: 1 Patent Applications: 0 - 323 Base salt formation of 3-position -COOH group
Patents: 8 Patent Applications: 0 - 324 Extracting solid from solution
Patents: 5 Patent Applications: 0 - 325 The nitrogen is part of a hetero ring
Patents: 21 Patent Applications: 0 - 326 Chalcogen, -C(=X)-, wherein X is chalcogen, or additional nitrogen bonded directly to the -C(=X)- group
Patents: 21 Patent Applications: 1 - 327 Hetero ring or ring system bonded directly to the -C(=X)- group
Patents: 36 Patent Applications: 0 - 328 Nitrogen containing ring or ring system attached by carbon or acyclic carbon chain to the -C(=X)- group
Patents: 53 Patent Applications: 0 - 329 Polycyclo heterocyclic ring system in 6-position substituent
Patents: 29 Patent Applications: 1 - 330 The polycyclo ring system is attached directly to a -C(=X)-NH- group, wherein X is chalcogen and substitution may be made for hydrogen only, which group is between the polycyclo ring system and the 1-thia-4-aza bicyclo(3.2.0)hep-tane
Patents: 44 Patent Applications: 0 - 331 Acyclic nitrogen or azide attached indirectly to the -C(=X)- group by acyclic nonionic bonding
Patents: 60 Patent Applications: 1 - 332 Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
Patents: 34 Patent Applications: 0 - 333 Hetero ring bonded directly to the -C(=X)- group
Patents: 80 Patent Applications: 0 - 334 Chalcogen, additional nitrogen or additional -C(=X)- bonded directly to the -C(=X)- group
Patents: 46 Patent Applications: 1 - 335 Additional acyclic nitrogen or acyclic chalcogen in the 6-position substituent
Patents: 54 Patent Applications: 0 - 336 The -C(=X)- group, an unsubstituted benzene ring and -NHH bonded directly to the same carbon atom (e.g., ampicillin, etc.)
Patents: 48 Patent Applications: 3 - 337 Cycloaliphatic ring in 6-position substituent
Patents: 32 Patent Applications: 0 - 338 Benzene or hetero ring in 6-position substituent
Patents: 46 Patent Applications: 1 - 339 The ring is bonded directly to the -C(=X)- group
Patents: 31 Patent Applications: 2 - 340 Having -C(=X)X-, wherein the X's may be the same or diverse chalcogens, in chain between the ring and the -C(=X)- group
Patents: 16 Patent Applications: 0 - 341 Chalcogen in the chain between the ring and the -C(=X)- group
Patents: 49 Patent Applications: 1 - 342 Unsubstituted hydrocarbyl chain between the ring and the -C(=X)- group
Patents: 60 Patent Applications: 0 - 343 Amine addition salts of 3-position -COOH group
Patents: 1 Patent Applications: 0 - 344 Nitrogen containing hetero ring in the cation (i.e., amine moiety)
Patents: 2 Patent Applications: 0 - 345 Plural nitrogens in the cation (i.e., amine moiety)
Patents: 1 Patent Applications: 0 - 346 Processes
Patents: 30 Patent Applications: 0 - 347 Bicyclo ring system which is 1-oxa-4-aza-bicyclo(3.2.0)hep-tane (including unsaturated)
Patents: 40 Patent Applications: 10 - 348 Acyclic carbon double bonded directly at the 2-position of the bicyclo ring system
Patents: 30 Patent Applications: 0 - 349 Chalcogen attached directly by a single bond to the carbon or to an acyclic carbon chain which contains the carbon
Patents: 72 Patent Applications: 2 - 350 The ring system is 4-aza-bicyclo(3.2.0)heptane (including unsaturated) and has sulfur bonded directly at the 2-position
Patents: 349 Patent Applications: 46 - 351 Thienamycin per se or salt thereof
Patents: 39 Patent Applications: 2 - 352 Five-membered hetero ring consisting of one nitrogen, one sulfur and three carbons as one of the cyclos of the polycyclo ring system
Patents: 12 Patent Applications: 0 - 353 Double bond between ring members of the five-membered hetero ring
Patents: 34 Patent Applications: 0 - 354 Additional chalcogen bonded directly to the hetero ring
Patents: 76 Patent Applications: 8 - 355 The additional chalcogen is bonded directly to the ring nitrogen
Patents: 114 Patent Applications: 16 - 356 The additional chalcogen is double bonded directly to the hetero ring
Patents: 34 Patent Applications: 0 - 357 Having -C(=X)-, wherein X is chalcogen, bonded directly to the additional chalcogen
Patents: 147 Patent Applications: 0 - 358 The additional chalcogen is sulfur which is bonded directly to chalcogen
Patents: 78 Patent Applications: 0 - 359 The sulfur is double bonded directly to the chalcogen
Patents: 64 Patent Applications: 0 - 360 Additional carbon bonded directly to the additional chalcogen
Patents: 172 Patent Applications: 11 - 361 Halogen attached directly at the 4-position of the hetero ring by nonionic bonding
Patents: 48 Patent Applications: 0 - 362 The 4-position of the hetero ring is unsubstituted or alkyl substituted only
Patents: 104 Patent Applications: 21 - 363 Nitrogen bonded directly at the 3-position of the hetero ring
Patents: 97 Patent Applications: 4 - 364 Nitrogen bonded directly at the 3-position of the hetero ring
Patents: 145 Patent Applications: 5 - 450 The hetero ring contains at least eight members including nitrogen and carbon
Patents: 269 Patent Applications: 19 - 451 Chalcogen double bonded directly to a ring carbon of the hetero ring which is adjacent to the ring nitrogen (e.g., laurolactam, etc.)
Patents: 155 Patent Applications: 15 - 452 Heavy metal, aluminum, boron or silicon containing
Patents: 89 Patent Applications: 8 - 453 Spiro
Patents: 50 Patent Applications: 14 - 454 Chalcogen in the hetero ring
Patents: 98 Patent Applications: 24 - 455 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 103 Patent Applications: 54 - 456 Two of the cyclos share at least three ring members or a ring member is shared by three of the cyclos (e.g., bridged, peri-fused, etc.)
Patents: 372 Patent Applications: 187 - 457 A five-membered cyclo of the polycyclo ring system consists of four ring carbons and one ring oxygen (e.g., fused rifamycins, etc.)
Patents: 47 Patent Applications: 50 - 458 Tetracyclo ring system which contains the hetero ring as one of the cyclos (e.g., rifamycin S, etc.)
Patents: 53 Patent Applications: 6 - 459 Nitrogen, sulfur or halogen attached directly to the tetracyclo ring system by nonionic bonding
Patents: 27 Patent Applications: 0 - 460 Plural nitrogens in the hetero ring
Patents: 228 Patent Applications: 162 - 461 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 134 Patent Applications: 76 - 462 Oxirane ring is one of the cyclos in the polycyclo ring system (e.g., maytansinol, etc.)
Patents: 56 Patent Applications: 39 - 463 Nitrogen or additional chalcogen attached directly to the hetero ring by nonionic bonding
Patents: 76 Patent Applications: 9 - 464 Utilizing oximes, oxime salts, hydroxylamines, hydroxylamine salts or nitrosating agents to form the hetero ring (i.e., formation of the lactam ring)
Patents: 22 Patent Applications: 10 - 465 Heavy metal or aluminum containing
Patents: 252 Patent Applications: 94 - 466 Spiro
Patents: 64 Patent Applications: 27 - 467 The hetero ring contains chalcogen
Patents: 252 Patent Applications: 39 - 468 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 129 Patent Applications: 45 - 469 Plural nitrogens in the hetero ring
Patents: 108 Patent Applications: 33 - 470 The hetero ring contains plural nitrogens
Patents: 231 Patent Applications: 15 - 471 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 82 Patent Applications: 30 - 472 Two of the cyclos share at least three ring members or a ring member is shared by three of the cyclos (e.g., bridged, peri-fused, etc., toxiferin)
Patents: 210 Patent Applications: 68 - 473 Bicyclo ring system which contains the hetero ring as one of the cyclos
Patents: 87 Patent Applications: 5 - 474 The hetero ring contains at least three nitrogens
Patents: 349 Patent Applications: 98 - 475 Nitro bonded directly to ring nitrogen of the hetero ring (e.g., HMX, etc.)
Patents: 41 Patent Applications: 2 - 476 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 114 Patent Applications: 26 - 477 Two of the cyclos share at least three ring members or a ring member is shared by three of the cyclos (e.g., bridged, peri-fused, etc.)
Patents: 75 Patent Applications: 22 - 478 Containing additional heterocyclic polycyclo ring system having plural ring nitrogens (e.g., vinblastine, vincristine, etc.)
Patents: 107 Patent Applications: 13 - 479 Tricyclo ring system which contains the hetero ring as one of the cyclos
Patents: 69 Patent Applications: 7 - 480 Additional hetero ring attached directly or indirectly to the hetero ring by nonionic bonding
Patents: 233 Patent Applications: 19 - 481 The additional hetero ring is six-membered and contains nitrogen
Patents: 228 Patent Applications: 27 - 482 Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding
Patents: 78 Patent Applications: 1 - 483 Plural nitrogens attached indirectly to the hetero ring by acyclic nonionic bonding
Patents: 58 Patent Applications: 2 - 484 The hetero ring contains seven members including nitrogen and carbon
Patents: 208 Patent Applications: 14 - 485 Chalcogen double bonded directly to a ring carbon adjacent to the ring nitrogen (e.g., caprolactam, etc.)
Patents: 130 Patent Applications: 21 - 486 Heavy metal or aluminum containing
Patents: 23 Patent Applications: 2 - 487 Silicon or phosphorus attached directly or indirectly to the hetero ring by nonionic bonding
Patents: 84 Patent Applications: 13 - 488 Chalcogen in the hetero ring
Patents: 179 Patent Applications: 46 - 489 Plural nitrogens in the hetero ring
Patents: 30 Patent Applications: 14 - 490 Bicyclo ring system having the hetero ring as one of the cyclos
Patents: 106 Patent Applications: 42 - 491 The chalcogen and the nitrogen are in the 1,5-positions of the bicyclo ring system (e.g., 1,5-benzothiazepinone, etc.)
Patents: 144 Patent Applications: 25 - 492 Plural nitrogens in the hetero ring
Patents: 205 Patent Applications: 84 - 493 Tetracyclo ring system having the hetero ring as one of the cyclos
Patents: 21 Patent Applications: 5 - 494 Nitrogen of the hetero ring is shared by an additional cyclo of the tetracyclo ring system
Patents: 50 Patent Applications: 11 - 495 Tricyclo ring system having the hetero ring as one of the cyclos
Patents: 140 Patent Applications: 32 - 496 Nitrogen of the hetero ring is shared by an additional cyclo of the tricyclo ring system
Patents: 85 Patent Applications: 40 - 497 Additional hetero atom in the additional cyclo of the tricyclo ring system
Patents: 41 Patent Applications: 25 - 498 The additional cyclo is five-membered consisting of nitrogen and carbon (e.g., imidazobenzodiazepinones, etc.)
Patents: 68 Patent Applications: 12 - 499 The additional cyclo consists of three nitrogens and two carbons (e.g., triazolobenzodiazepinones, etc.)
Patents: 28 Patent Applications: 5 - 500 Bicyclo ring system having the hetero ring as one of the cyclos
Patents: 96 Patent Applications: 51 - 501 At least three nitrogens in the hetero ring
Patents: 33 Patent Applications: 20 - 502 At least three hetero atoms in the bicyclo ring system
Patents: 46 Patent Applications: 27 - 503 Chalcogen in the bicyclo ring system
Patents: 40 Patent Applications: 5 - 504 The bicyclo ring system is 1,4-benzodiazepine (including hydrogenated)
Patents: 90 Patent Applications: 63 - 505 The chalcogen double bonded directly to the hetero ring is sulfur
Patents: 29 Patent Applications: 2 - 506 Additional chalcogen bonded directly to ring carbon of the hetero ring
Patents: 48 Patent Applications: 12 - 507 The additional chalcogen is bonded directly at the 3-position of the bicyclo ring system
Patents: 27 Patent Applications: 2 - 508 Nitrogen or -C(=X)-, wherein X is chalcogen, attached indirectly to the chalcogen by acyclic nonionic bonding
Patents: 11 Patent Applications: 3 - 509 Acyclic nitrogen bonded directly to the hetero ring
Patents: 101 Patent Applications: 27 - 510 Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
Patents: 31 Patent Applications: 2 - 511 Halogen bonded directly to the hetero ring
Patents: 21 Patent Applications: 0 - 512 Chalcogen attached indirectly to nitrogen of the hetero ring by acyclic nonionic bonding
Patents: 39 Patent Applications: 3 - 513 Sulfur, -C(=X)-, wherein X is chalcogen, or nitrogen, other than as nitro or nitroso, bonded directly to the carbocyclic ring of the bicyclo ring system
Patents: 28 Patent Applications: 0 - 514 Nitrogen in the 1-position substituent of the bicyclo ring system
Patents: 22 Patent Applications: 2 - 515 Preparation by cyclizing benzophenones or imine derivatives thereof
Patents: 7 Patent Applications: 0 - 516 Preparation from a compound containing a different hetero ring
Patents: 3 Patent Applications: 0 - 517 The bicyclo ring system is 1,5-benzodiazepine (including hydrogenated)
Patents: 60 Patent Applications: 11 - 518 Additional chalcogen double bonded directly to ring carbon of the hetero ring
Patents: 37 Patent Applications: 5 - 519 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 22 Patent Applications: 8 - 520 Two of the cyclos share at least three ring members or a ring member is shared by three of the cyclos (e.g., bridged, peri-fused, etc.)
Patents: 63 Patent Applications: 10 - 521 Plural hetero atoms in the polycyclo ring system
Patents: 164 Patent Applications: 61 - 522 Tricyclo ring system which contains the hetero ring as one of the cyclos
Patents: 119 Patent Applications: 36 - 523 Bicyclo ring system which contains the hetero ring as one of the cyclos
Patents: 240 Patent Applications: 108 - 524 Additional hetero ring containing
Patents: 252 Patent Applications: 90 - 525 Plural seven-membered hetero rings
Patents: 62 Patent Applications: 3 - 526 Additional chalcogen bonded directly to the hetero ring
Patents: 71 Patent Applications: 3 - 527 Nitrogen bonded directly to the hetero ring
Patents: 94 Patent Applications: 34 - 528 The nitrogen is bonded additionally only to hydrogen
Patents: 19 Patent Applications: 4 - 529 Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
Patents: 53 Patent Applications: 2 - 530 Halogen bonded directly to the hetero ring
Patents: 12 Patent Applications: 1 - 531 Chalcogen or nitrogen attached indirectly to the hetero ring by nonionic bonding
Patents: 95 Patent Applications: 8 - 532 Preparing from a compound containing a hetero ring
Patents: 16 Patent Applications: 1 - 533 The hetero ring is a lactam (i.e., -C(=X)-NH- is part of the ring, wherein X is chalcogen and substitution may be made for the hydrogen only)
Patents: 33 Patent Applications: 5 - 534 Preparing from a compound containing a cycloaliphatic ring
Patents: 11 Patent Applications: 2 - 535 The reactant is a cyclic oxime
Patents: 52 Patent Applications: 11 - 536 Gas phase rearrangement
Patents: 62 Patent Applications: 10 - 537 Acyclic -C(=X)X-, wherein the X's are the same or diverse chalcogens, attached directly to the cycloaliphatic ring by nonionic bonding
Patents: 1 Patent Applications: 0 - 538 Cyclization to form the hetero ring
Patents: 60 Patent Applications: 8 - 539 Reactant contains a cyano group
Patents: 50 Patent Applications: 5 - 540 Purification or recovery
Patents: 142 Patent Applications: 9 - 541 Heavy metal or boron containing
Patents: 61 Patent Applications: 14 - 542 Phosphorus attached directly or indirectly to the hetero ring by nonionic bonding
Patents: 144 Patent Applications: 19 - 543 Spiro
Patents: 187 Patent Applications: 96 - 544 The hetero ring contains chalcogen
Patents: 378 Patent Applications: 177 - 545 Plural nitrogens in the heterocyclic ring
Patents: 126 Patent Applications: 50 - 546 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 84 Patent Applications: 25 - 547 Tricyclo ring system which contains the hetero ring as one of the cyclos
Patents: 113 Patent Applications: 27 - 548 At least three ring hetero atoms in the tricyclo ring system
Patents: 61 Patent Applications: 25 - 549 Sulfur and nitrogen are bonded directly to each other in the hetero ring
Patents: 9 Patent Applications: 3 - 550 The nitrogen of the hetero ring is bonded directly to both remaining rings of the tricyclo ring system (e.g., dibenzo(b,e)(1,4)thiazepine, etc.)
Patents: 31 Patent Applications: 5 - 551 Nitrogen bonded directly to ring carbon of the hetero ring
Patents: 36 Patent Applications: 51 - 552 Bicyclo ring system which contains the hetero ring as one of the cyclos
Patents: 154 Patent Applications: 86 - 553 The hetero ring contains plural nitrogens (e.g., 1,3-diazepines, etc.)
Patents: 334 Patent Applications: 16 - 554 The hetero ring contains at least three nitrogens
Patents: 73 Patent Applications: 8 - 555 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 111 Patent Applications: 34 - 556 Two of the cyclos share at least three ring members or a ring member is shared by three of the cyclos (e.g., bridged, peri-fused, etc.)
Patents: 122 Patent Applications: 60 - 557 Tricyclo ring system which contains the hetero ring as one of the cyclos
Patents: 152 Patent Applications: 63 - 558 Nitrogen of the hetero ring is shared by an additional cyclo of the tricyclo ring system
Patents: 34 Patent Applications: 22 - 559 The additional cyclo has at least six ring members
Patents: 48 Patent Applications: 12 - 560 Chalcogen in the tricyclo ring system
Patents: 67 Patent Applications: 23 - 561 The additional cyclo consists of one nitrogen and four carbons (e.g., diazepinoindoles, etc.)
Patents: 63 Patent Applications: 16 - 562 The additional cyclo consists of two nitrogens and three carbons (e.g., imidazobenzodiazepines, etc.)
Patents: 89 Patent Applications: 19 - 563 s-Triazolo(4,3-a)(1,4)-benzodi-azepines (including hydrogenated)
Patents: 33 Patent Applications: 10 - 564 Chalcogen, nitrogen, cyano or halogen bonded directly to ring carbon of the triazolo ring
Patents: 12 Patent Applications: 0 - 565 Nitrogen attached indirectly to ring carbon of the triazolo ring by acyclic nonionic bonding
Patents: 23 Patent Applications: 1 - 566 The unshared ring carbon of the triazolo ring is unsubstituted or alkyl substituted only
Patents: 20 Patent Applications: 1 - 567 Bicyclo ring system which contains the hetero ring as one of the cyclos
Patents: 99 Patent Applications: 39 - 568 At least three ring hetero atoms in the bicyclo ring system
Patents: 67 Patent Applications: 46 - 569 1,4-benzodiazepines (including hydrogenated)
Patents: 43 Patent Applications: 18 - 570 Chalcogen bonded directly to ring carbon of the hetero ring
Patents: 27 Patent Applications: 9 - 571 Nitrogen bonded directly to ring carbon of the hetero ring
Patents: 21 Patent Applications: 4 - 572 Chalcogen or nitrogen attached indirectly to ring carbon of the hetero ring by acyclic nonionic bonding
Patents: 46 Patent Applications: 1 - 573 Chalcogen or nitrogen attached indirectly to ring carbon of the hetero ring by acyclic nonionic bonding
Patents: 66 Patent Applications: 9 - 574 Formation of the 1,4-benzodiazepine ring system
Patents: 21 Patent Applications: 0 - 575 The nitrogens are in the 1,4-positions of the hetero ring
Patents: 744 Patent Applications: 724 - 576 Polycyclo ring system which contains the hetero ring as one of the cyclos
Patents: 112 Patent Applications: 62 - 577 Plural nitrogens in the polycyclo ring system
Patents: 53 Patent Applications: 34 - 578 Three or more hetero atoms in the polycyclo ring system
Patents: 170 Patent Applications: 107 - 579 Nitrogen of the hetero ring is shared by an additional cyclo of the polycyclo ring system
Patents: 106 Patent Applications: 63 - 580 The seven-membered hetero ring shares ring members with one other cyclo only
Patents: 72 Patent Applications: 36 - 581 Two of the cyclos share at least three ring members or a ring carbon is shared by three of the cyclos (e.g., bridged, peri-fused, etc.)
Patents: 110 Patent Applications: 27 - 582 Bicyclo ring system which contains the hetero ring as one of the cyclos (e.g., 3-azabicyclo-(3.2.2)nonanes, etc.)
Patents: 88 Patent Applications: 11 - 583 Having -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the bicyclo ring system
Patents: 36 Patent Applications: 7 - 584 Chalcogen or nitrogen attached directly to ring nitrogen of the bicyclo ring system by nonionic bonding
Patents: 18 Patent Applications: 4 - 585 Chalcogen or nitrogen attached indirectly to ring nitrogen of the bicyclo ring system by acyclic nonionic bonding
Patents: 44 Patent Applications: 4 - 586 Tricyclo ring system which contains the hetero ring as one of the cyclos
Patents: 116 Patent Applications: 30 - 587 The hetero ring shares ring members with each of two benzene rings in the tricyclo ring system (e.g., morphanthridines, etc.)
Patents: 65 Patent Applications: 23 - 588 The nitrogen of the hetero ring is bonded directly to each of the two benzene rings (e.g., iminodibenzyl, etc.)
Patents: 52 Patent Applications: 22 - 589 Having -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the tricyclo ring system
Patents: 53 Patent Applications: 23 - 590 Nitrogen attached directly or indirectly to ring carbon of the hetero ring by acyclic nonionic bonding
Patents: 27 Patent Applications: 12 - 591 Chalcogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding
Patents: 32 Patent Applications: 7 - 592 Nitrogen attached indirectly to ring nitrogen of the hetero ring by acyclic nonionic bonding
Patents: 32 Patent Applications: 11 - 593 Bicyclo ring system which contains the hetero ring as one of the cyclos
Patents: 225 Patent Applications: 104 - 594 3-Benzazepines (including hydrogenated)
Patents: 114 Patent Applications: 95 - 595 Benzene ring bonded directly to ring carbon of the hetero ring
Patents: 69 Patent Applications: 14 - 596 Additional hetero ring attached directly or indirectly to the hetero ring by nonionic bonding
Patents: 454 Patent Applications: 59 - 597 The additional hetero ring is six-membered and contains nitrogen
Patents: 495 Patent Applications: 200 - 598 Plural hetero atoms in the additional hetero ring
Patents: 285 Patent Applications: 63 - 599 Polycyclo ring system having the additional hetero ring as one of the cyclos
Patents: 131 Patent Applications: 52 - 600 The additional hetero ring is 1,3-diazine (including hydrogenated)
Patents: 122 Patent Applications: 76 - 601 The additional hetero ring is 1,3-diazine (including hydrogenated)
Patents: 137 Patent Applications: 52 - 602 The additional hetero ring is five-membered and contains nitrogen
Patents: 263 Patent Applications: 64 - 603 Plural hetero atoms in the additional hetero ring
Patents: 383 Patent Applications: 126 - 604 Chalcogen attached directly to the hetero ring by nonionic bonding
Patents: 115 Patent Applications: 27 - 605 Nitrogen attached directly to the hetero ring by nonionic bonding
Patents: 62 Patent Applications: 12 - 606 Chalcogen, additional nitrogen, or -C(=X)-, wherein X is chalcogen, attached directly to the nitrogen by nonionic bonding
Patents: 34 Patent Applications: 6 - 607 Having -C(=X)-, wherein X is chalcogen, bonded directly to nitrogen of the hetero ring
Patents: 172 Patent Applications: 32 - 608 Chalcogen bonded directly to the -C(=X)- group
Patents: 58 Patent Applications: 3 - 609 Chalcogen or nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding
Patents: 182 Patent Applications: 26 - 610 The chalcogen or nitrogen is multiple bonded to a carbon (e.g., cyano or carbonyl groups, etc.)
Patents: 169 Patent Applications: 18 - 611 Benzene ring bonded directly to the hetero ring
Patents: 45 Patent Applications: 15 - 612 The hetero ring is unsubstituted or alkyl substituted only
Patents: 69 Patent Applications: 3
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