Subclasses list- 1 Persulphonic acids or salts thereof (i.e., compounds having the -S(=O)(=O) O-OH group, wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
Patents: 14 Patent Applications: 6 - 2 Percarboxylic acids or salts thereof (i.e., compounds having the -C(=O)-O OH group, wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
Patents: 68 Patent Applications: 11 - 3 With preservative or stabilizer
Patents: 22 Patent Applications: 1 - 4 Formation of the -C(=O)-O-OH group, or of a salt thereof (e.g., from acid halides or anhydrides, neutralization; etc)
Patents: 17 Patent Applications: 1 - 5 Aldehyde or percarboxylic acid ester reactant
Patents: 13 Patent Applications: 0 - 6 Carboxylic acid or carboxylic acid salt reactant
Patents: 69 Patent Applications: 7 - 7 Boron acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to boron by nonionic bonding and wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
Patents: 70 Patent Applications: 54 - 8 Phosphorus acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to phosphorus by nonionic bonding and wherein the hydrogen may be replaced by a substituted or unsubstituted ammonium or by a group IA or IIA light metal)
Patents: 199 Patent Applications: 49 - 9 Sulfur attached directly to the phosphorus by nonionic bonding
Patents: 31 Patent Applications: 12 - 10 Nitrogen attached directly to the phosphorus by nonionic bonding
Patents: 44 Patent Applications: 6 - 11 Nitrogen attached indirectly to the phosphorus by nonionic bonding
Patents: 169 Patent Applications: 58 - 12 Plural phosphori attached indirectly to each other by nonionic bonding
Patents: 56 Patent Applications: 5 - 13 Plural phosphori bonded directly to the same carbon
Patents: 133 Patent Applications: 25 - 14 Additional nitrogen attached indirectly to the phosphorus by nonionic bonding
Patents: 73 Patent Applications: 5 - 15 The nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen
Patents: 139 Patent Applications: 24 - 16 The nitrogen and the phosphorus are bonded directly to the same carbon
Patents: 105 Patent Applications: 4 - 17 The nitrogen is bonded to an additional acyclic carbon or acyclic carbon chain, to which a -C(=X)X- group is bonded directly, wherein the X's are the same or diverse chalcogen
Patents: 203 Patent Applications: 20 - 18 Preparing from a compound having a nitrogen containing hetero ring
Patents: 31 Patent Applications: 2 - 19 The phosphorus is in a ring
Patents: 17 Patent Applications: 2 - 20 Plural phosphori attached indirectly to each other by nonionic bonding
Patents: 80 Patent Applications: 15 - 21 Plural phosphori bonded directly to the same carbon
Patents: 68 Patent Applications: 14 - 22 Processes
Patents: 28 Patent Applications: 10 - 23 Chalcogen attached indirectly to the phosphorus by nonionic bonding
Patents: 84 Patent Applications: 30 - 24 The chalcogen is in a -C(=X)- group
Patents: 105 Patent Applications: 25 - 25 Halogen attached indirectly to the phosphorus by nonionic bonding
Patents: 31 Patent Applications: 5 - 26 Thiocarboxylic acids or salts thereof (i.e., compounds having the group -C(=X)XH, wherein the X's are the same or diverse chalcogens and at least one X is sulfur, and hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
Patents: 69 Patent Applications: 13 - 27 Nitrogen bonded directly to the carbon of the -C(=X)XH group or of its salt (e.g., dithiocarbamic acids, etc.)
Patents: 34 Patent Applications: 3 - 28 Processes utilizing carbon disulfide
Patents: 11 Patent Applications: 0 - 29 Thiosulfonic acids or salts thereof (i.e., compounds containing the thiosulfonate group, -S(=O)(=O)-S-, wherein the divalent sulfur is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium)
Patents: 10 Patent Applications: 1 - 30 Sulfonic acids or salts thereof (i.e., compounds containing the sulfonate group, -S(=O)(=O)-O- wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium)
Patents: 101 Patent Applications: 44 - 31 Hydrophenanthrene ring system containing
Patents: 4 Patent Applications: 1 - 32 Processes of sulfonating lignites, leonardites, coal, humic acids, bark or pitch, and the reaction products thereof
Patents: 7 Patent Applications: 2 - 33 Petroleum sulfonic acids
Patents: 46 Patent Applications: 2 - 34 Addition salts having organic nitrogen containing cation
Patents: 5 Patent Applications: 0 - 35 Boron or phosphorus attached indirectly to the sulfonate group by nonionic bonding (e.g., phosphonium salts, etc.)
Patents: 48 Patent Applications: 7 - 36 Chalcogen or -C(=X)-, wherein X is chalcogen, attached directly to the sulfonate sulfur by nonionic bonding
Patents: 23 Patent Applications: 7 - 37 Nitrogen attached directly to the sulfonate sulfur by nonionic bonding (e.g., sulfamic acids, etc.)
Patents: 26 Patent Applications: 12 - 38 Processes utilizing an inorganic sulfamic acid, or a salt thereof
Patents: 4 Patent Applications: 0 - 39 Processes of forming the -NH-S(=O)(O=)-O- group, wherein substitution may be made for hydrogen only
Patents: 19 Patent Applications: 1 - 40 Additional salts having organic nitrogen containing cation
Patents: 15 Patent Applications: 0 - 41 Benzene ring attached indirectly to the sulfonate group by acyclic nonionic bonding
Patents: 83 Patent Applications: 20 - 42 Noncarbon atom in acyclic chain between the benzene ring and the sulfonate sulfur
Patents: 79 Patent Applications: 14 - 43 Nitrogen in the acyclic chain
Patents: 59 Patent Applications: 8 - 44 Chalcogen or -C(=X)-, wherein X is chalcogen, in the chain
Patents: 49 Patent Applications: 11 - 45 Benzene ring bonded directly to the sulfonate sulfur (e.g., purification and neutralization of benzene sulfonic acids, etc.)
Patents: 73 Patent Applications: 19 - 46 Having -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate group by nonionic bonding (e.g., aldehydes, etc.)
Patents: 50 Patent Applications: 11 - 47 Chalcogen or nitrogen bonded directly to the -C(=X)- group
Patents: 47 Patent Applications: 3 - 48 Benzene ring bonded directly to each nitrogen of a -NH-C(=X)-NH-group, wherein X is chalcogen and substitution may be made for hydrogen only
Patents: 16 Patent Applications: 1 - 49 At least one of the benzene rings is part of a naphthalene ring system
Patents: 11 Patent Applications: 1 - 50 Plural naphthalene ring systems attached indirectly to the -NHC(=X)NH- group by nonionic bonding
Patents: 18 Patent Applications: 2 - 51 Stilbene containing
Patents: 7 Patent Applications: 0 - 52 Plural -C(=X)- groups attached indirectly to the sulfonate group by nonionic bonding
Patents: 37 Patent Applications: 8 - 53 Plural carbons bonded directly to -C(=X)-
Patents: 13 Patent Applications: 1 - 54 Plural -C(=X)- groups bonded directly to the same benzene ring
Patents: 17 Patent Applications: 1 - 55 Acyclic carbon bonded directly to the -C(=X)- group
Patents: 38 Patent Applications: 3 - 56 The -C(=X)- is part of a -C(=X)X- group, wherein the X's may be the same or diverse chalcogens
Patents: 28 Patent Applications: 0 - 57 Nitrogen attached indirectly to the sulfonate group by nonionic bonding
Patents: 17 Patent Applications: 0 - 58 Nitrogen attached indirectly to the sulfonate group by nonionic bonding
Patents: 84 Patent Applications: 8 - 59 Plural benzene rings bonded directly to each other or to the same acyclic carbon
Patents: 23 Patent Applications: 9 - 60 Stilbene containing
Patents: 24 Patent Applications: 0 - 61 Plural benzene rings bonded directly to the same nitrogen
Patents: 14 Patent Applications: 0 - 62 Plural nitrogens each bonded to two benzene rings (e.g., phenylaminophenylaminophenyl compounds, etc.)
Patents: 10 Patent Applications: 0 - 63 At least one of the benene rings is part of a naphthalene ring system
Patents: 7 Patent Applications: 1 - 64 Oxygen bonded directly to a benzene ring
Patents: 9 Patent Applications: 0 - 65 Sulfonyl bonded directly to the nitrogen
Patents: 22 Patent Applications: 1 - 66 The nitrogen is attached indirectly to a benzene ring by acyclic nonionic bonding
Patents: 16 Patent Applications: 5 - 67 Additional nitrogen attached indirectly to the sulfonate group by nonionic bonding
Patents: 20 Patent Applications: 1 - 68 Polycyclo ring system consisting of benzene rings bonded directly to the sulfonate group
Patents: 22 Patent Applications: 0 - 69 Nitro or nitroso bonded directly to the polycyclo ring system
Patents: 8 Patent Applications: 0 - 70 Oxygen bonded directly to the polycyclo ring system (e.g., aminonaphthol sulfonic acid, etc.)
Patents: 17 Patent Applications: 0 - 71 Additional sulfonate group bonded directly to the polycyclo ring system (e.g., H acid, etc.)
Patents: 8 Patent Applications: 1 - 72 Halogen, plural nitrogens, or additional sulfonate group bonded directly to the polycyclo ring system
Patents: 22 Patent Applications: 0 - 73 Nitro or halogen bonded directly to a benzene ring
Patents: 57 Patent Applications: 1 - 74 Nonsulfonate chalcogen attached indirectly to the sulfonate group by nonionic bonding
Patents: 33 Patent Applications: 8 - 75 Two benzene rings bonded to the nonsulfonate chalcogen (e.g., phenoxyphenyl compounds, etc.)
Patents: 18 Patent Applications: 2 - 76 Plural carbons bonded directly to the nonsulfonate chalcogen (e.g., ethers, sulfones, etc.)
Patents: 34 Patent Applications: 5 - 77 Hydroxy group or nonsulfonate sulfur attached indirectly to a benzene ring by acyclic nonionic bonding
Patents: 17 Patent Applications: 0 - 78 Halogen attached indirectly to the sulfonate group by nonionic bonding
Patents: 11 Patent Applications: 2 - 79 The sulfonate group and oxygen are bonded directly to the same polycyclo ring system which consists of benzene rings
Patents: 9 Patent Applications: 2 - 80 Additional sulfonate group bonded directly to the polycyclo ring system
Patents: 2 Patent Applications: 2 - 81 Plural oxygens bonded directly to the same benzene ring
Patents: 10 Patent Applications: 8 - 82 The sulfonate group, oxygen, and alkyl of at least 4 carbons are bonded directly to the same benzene ring
Patents: 12 Patent Applications: 0 - 83 Halogen attached indirectly to the sulfonate group by nonionic bonding
Patents: 43 Patent Applications: 7 - 84 Addition salts having organic nitrogen containing cation
Patents: 61 Patent Applications: 7 - 85 Having -C(=X)-, wherein X is chalcogen, in the cation
Patents: 29 Patent Applications: 0 - 86 Nitrogen double bonded to carbon in the cation (e.g., guanidinium salts, etc.)
Patents: 10 Patent Applications: 0 - 87 Acyclic carbon to carbon unsaturation containing
Patents: 35 Patent Applications: 2 - 88 Plural benzene rings bonded directly to each other, or to the same acyclic carbon or acyclic carbon chain
Patents: 30 Patent Applications: 3 - 89 Polycyclo ring system consisting of benzene rings bonded directly to the sulfonate group
Patents: 25 Patent Applications: 1 - 90 Processes of sulfonating naphthalene per se or alkyl substituted naphthalene
Patents: 14 Patent Applications: 1 - 91 Sulfonate group and alkyl group of at least four carbons bonded directly to the same benzene ring
Patents: 23 Patent Applications: 6 - 92 With preservative, stabilizer, or color or odor affecting additive
Patents: 5 Patent Applications: 0 - 93 Processes including alkylation of a benzene ring, and the products thereof
Patents: 13 Patent Applications: 1 - 94 The alkylating agent is an olefin
Patents: 20 Patent Applications: 2 - 95 Sulfonation processes
Patents: 39 Patent Applications: 0 - 96 Purification or recovery
Patents: 14 Patent Applications: 0 - 97 Neutralization or acidification
Patents: 21 Patent Applications: 0 - 98 Sulfonation utilizing sulfur trioxide or oleum (e.g., sulfonation of benzene or toluene with oleum, etc.)
Patents: 16 Patent Applications: 1 - 99 Sulfonation utilizing sulfuric acid (e.g., sulfonation of benzene or toluene with sulfuric acid, etc.)
Patents: 7 Patent Applications: 1 - 100 Polycyclo alicyclic ring system attached directly or indirectly to the sulfonate group by nonionic bonding
Patents: 45 Patent Applications: 12 - 101 Plural sulfonate groups attached indirectly to each other by acyclic nonionic bonding
Patents: 34 Patent Applications: 9 - 102 Nitrogen or -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate groups by nonionic bonding
Patents: 41 Patent Applications: 8 - 103 Plural nonsulfonate chalcogens attached indirectly to the sulfonate groups by nonionic bonding
Patents: 20 Patent Applications: 2 - 104 Nitrogen attached indirectly to the sulfonate group by acyclic nonionic bonding
Patents: 49 Patent Applications: 27 - 105 Having -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate group by acyclic nonionic bonding
Patents: 57 Patent Applications: 9 - 106 Plural nitrogens or plural -C(=X)- groups, wherein X is chalcogen, attached indirectly to the sulfonate group by acyclic nonionic bonding
Patents: 42 Patent Applications: 7 - 107 Chalcogen attached indirectly to the sulfonate group by acyclic nonionic bonding
Patents: 46 Patent Applications: 7 - 108 Chalcogen attached indirectly to the sulfonate group by acyclic nonionic bonding
Patents: 38 Patent Applications: 14 - 109 The chalcogen, X, is in a -C(=X)- group
Patents: 40 Patent Applications: 12 - 110 Plural chalcogens attached indirectly to the sulfonate group by acyclic nonionic bonding
Patents: 61 Patent Applications: 11 - 111 Plural carbons bonded directly to the chalcogen (e.g., ethers, etc.)
Patents: 33 Patent Applications: 8 - 112 Addition salts having organic nitrogen containing cation
Patents: 19 Patent Applications: 1 - 113 Halogen attached indirectly to the sulfonate group by acyclic nonionic bonding
Patents: 69 Patent Applications: 17 - 114 Addition salts having organic nitrogen containing cation
Patents: 90 Patent Applications: 5 - 115 Processes (e.g., neutralization, stabilization, etc.)
Patents: 42 Patent Applications: 9 - 116 Decarboxylation, hydrogenation or formation of carbon-to-carbon unsaturation
Patents: 5 Patent Applications: 1 - 117 Conversion of sulfur containing hetero ring compounds to sulfonic acids
Patents: 4 Patent Applications: 1 - 118 Oxidation of organic sulfur compounds to sulfonic acids
Patents: 23 Patent Applications: 3 - 119 Hydrolysis of sulfonyl halides
Patents: 7 Patent Applications: 1 - 120 Formation of sulfonic acids or sulfonic acid salts utilizing inorganic sulfonating agents (e.g., reaction of alcohols or alkyl halides with sulfurous acid, etc.)
Patents: 11 Patent Applications: 1 - 121 Utilizing sulfur dioxide and oxygen (i.e., sulfoxidation)
Patents: 9 Patent Applications: 0 - 122 Sulfurous acid or salt thereof reacted with unsaturated hydrocarbon
Patents: 10 Patent Applications: 2 - 123 Utilizing sulfur trioxide, oleum, sulfuric acid or halosulfonic acid
Patents: 37 Patent Applications: 5 - 124 Purification or recovery
Patents: 60 Patent Applications: 5 - 125 Sulfinic or sulfenic acids or salts thereof (i.e., compounds containing the sulfinate group, -S(=O)O-, or the sulfenate group, -S-O-, wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or group IIA light metal or to substituted or unsubstituted ammonium)
Patents: 57 Patent Applications: 6 - 126 Nitrogen attached indirectly to a sulfinate group by acyclic nonionic bonding
Patents: 31 Patent Applications: 3 - 400 Carboxylic acids and salts thereof
Patents: 144 Patent Applications: 108 - 401 Racemization or separation of optical isomers
Patents: 327 Patent Applications: 56 - 402 Physical resolution
Patents: 96 Patent Applications: 6 - 403 Hydrophenanthrene nucleus
Patents: 27 Patent Applications: 14 - 404 1,4a-dimethyl hydrophenanthrene-1 carboxylic acids or salts thereof
Patents: 15 Patent Applications: 1 - 405 Aromatic
Patents: 292 Patent Applications: 72 - 406 Preparation by carbonylation
Patents: 203 Patent Applications: 13 - 407 Formation of carboxyl group by oxidation
Patents: 40 Patent Applications: 9 - 408 Of aromatic compound
Patents: 53 Patent Applications: 27 - 409 Alkyl side chain oxidized
Patents: 84 Patent Applications: 14 - 410 Nitrogen containing oxidant
Patents: 36 Patent Applications: 45 - 411 Sulfur containing oxidant
Patents: 14 Patent Applications: 1 - 412 Air, oxygen, or ozone oxidant
Patents: 191 Patent Applications: 29 - 413 Multistage
Patents: 99 Patent Applications: 7 - 414 With recycle or recovery of reaction component
Patents: 185 Patent Applications: 28 - 415 Gas phase
Patents: 35 Patent Applications: 5 - 416 Halogen containing catalyst, initiator, or promoter utilized
Patents: 206 Patent Applications: 21 - 417 Initiator or promoter used with catalyst
Patents: 74 Patent Applications: 5 - 418 Of oxy or carbonyl containing compound
Patents: 75 Patent Applications: 4 - 419 Hypohalite as oxidant
Patents: 33 Patent Applications: 2 - 420 Nitrogen containing oxidant
Patents: 12 Patent Applications: 0 - 421 Air, oxygen, or ozone oxidant
Patents: 64 Patent Applications: 4 - 422 Of halo alkyl containing compound
Patents: 20 Patent Applications: 0 - 423 Preparation by carbonation
Patents: 42 Patent Applications: 6 - 424 Of alkali metal phenolates
Patents: 44 Patent Applications: 1 - 425 Having plural rings
Patents: 34 Patent Applications: 0 - 426 Sulfur
Patents: 571 Patent Applications: 88 - 427 Polycyclo ring system
Patents: 303 Patent Applications: 21 - 428 Indenyl or hydrindenyl
Patents: 65 Patent Applications: 6 - 429 Sulfoxy
Patents: 273 Patent Applications: 39 - 430 Nitrogen
Patents: 492 Patent Applications: 97 - 431 Carboxyl, or salt thereof, in side chain having sulfur bonded directly to a ring
Patents: 202 Patent Applications: 34 - 432 Carboxyl, or salt thereof, bonded directly to a ring
Patents: 224 Patent Applications: 16 - 433 Nitrogen bonded directly to carbon of organic radical (e.g., amino acids, etc.)
Patents: 384 Patent Applications: 60 - 434 Nitro or nitroso
Patents: 172 Patent Applications: 17 - 435 Plural rings
Patents: 297 Patent Applications: 22 - 436 Plural rings bonded directly to the same carbonyl
Patents: 22 Patent Applications: 0 - 437 Plural nitrogens
Patents: 182 Patent Applications: 5 - 438 Halogen
Patents: 95 Patent Applications: 3 - 439 Ureido, guanido, or hydrazine
Patents: 284 Patent Applications: 55 - 440 Nitrogen double bonded directly to carbon (e.g., amidine, ketimine, etc.)
Patents: 260 Patent Applications: 32 - 441 Plural rings bonded directly to the same carbon
Patents: 141 Patent Applications: 18 - 442 Nitrogen not bonded directly to a ring
Patents: 225 Patent Applications: 66 - 443 In same chain as carboxyl, or salt thereof
Patents: 293 Patent Applications: 61 - 444 Oxy
Patents: 424 Patent Applications: 70 - 445 Phenyl alanines
Patents: 245 Patent Applications: 15 - 446 Di-oxy phenyl alanines
Patents: 71 Patent Applications: 4 - 447 Phenoxphenyl alanines
Patents: 32 Patent Applications: 1 - 448 Plural nitrogens
Patents: 171 Patent Applications: 24 - 449 Halogen
Patents: 147 Patent Applications: 19 - 450 Amide
Patents: 355 Patent Applications: 278 - 451 Oxy
Patents: 221 Patent Applications: 29 - 452 Oxy
Patents: 239 Patent Applications: 49 - 453 Carboxyl, or salt thereof, nitrogen and oxygen all bonded directly to the same benzene ring
Patents: 97 Patent Applications: 17 - 454 Aryl-N-Aryl
Patents: 27 Patent Applications: 4 - 455 Amide
Patents: 259 Patent Applications: 41 - 456 Halogen
Patents: 232 Patent Applications: 34 - 457 Plural rings with nitrogen bonded directly to at least one ring
Patents: 248 Patent Applications: 39 - 458 Carboxyl, or salt thereof, bonded directly to a ring
Patents: 104 Patent Applications: 15 - 459 Aldehyde or ketone
Patents: 236 Patent Applications: 25 - 460 Two rings bonded directly to the same carbonyl
Patents: 169 Patent Applications: 15 - 461 Polycyclo ring system
Patents: 65 Patent Applications: 11 - 462 Bicyclo ring system
Patents: 149 Patent Applications: 11 - 463 Oxy
Patents: 392 Patent Applications: 19 - 464 Phenoxy alkanoic acids
Patents: 93 Patent Applications: 9 - 465 Oxy
Patents: 350 Patent Applications: 55 - 466 Polycyclo ring system
Patents: 373 Patent Applications: 59 - 467 Carboxyl bonded directly to naphthylene ring system
Patents: 134 Patent Applications: 15 - 468 Plural rings bonded directly to the same carbon
Patents: 155 Patent Applications: 19 - 469 Rings bonded directly to each other
Patents: 184 Patent Applications: 35 - 470 Oxy, not bonded directly to a ring, in same side chain as carboxyl, or salt thereof
Patents: 263 Patent Applications: 36 - 471 Oxy, bonded directly to a ring, in same side chain as carboxyl, or salt thereof
Patents: 235 Patent Applications: 44 - 472 Halogen
Patents: 161 Patent Applications: 16 - 473 Carboxyl, or salt thereof, bonded directly to a ring
Patents: 170 Patent Applications: 11 - 474 Halogen
Patents: 141 Patent Applications: 12 - 475 Phenolic hydroxy or metallate
Patents: 102 Patent Applications: 16 - 476 Poly phenolic hydroxy or metallate
Patents: 29 Patent Applications: 8 - 477 Salicyclic acid per se or salt thereof
Patents: 55 Patent Applications: 11 - 478 Phenolic hydroxy or metallate
Patents: 107 Patent Applications: 17 - 479 Decarboxylation of polycarboxylic acid or salt
Patents: 34 Patent Applications: 0 - 480 Polycarboxylic acids or salts thereof
Patents: 149 Patent Applications: 43 - 481 Prepared by disproportionation
Patents: 30 Patent Applications: 0 - 482 Preparation by isomerization
Patents: 10 Patent Applications: 0 - 483 Preparation by hydrolysis of amide, anhydride, or ester
Patents: 90 Patent Applications: 6 - 484 Preparation by hydrolysis of nitrile
Patents: 23 Patent Applications: 3 - 485 Purification or recovery per se
Patents: 177 Patent Applications: 38 - 486 By crystallization
Patents: 137 Patent Applications: 13 - 487 By reaction of undesired component
Patents: 120 Patent Applications: 5 - 488 Plural rings
Patents: 149 Patent Applications: 35 - 489 Carboxyl not directly attached to a ring
Patents: 64 Patent Applications: 4 - 490 Naphthyl group
Patents: 215 Patent Applications: 21 - 491 Plural rings bonded directly to the same carbon
Patents: 87 Patent Applications: 2 - 492 Rings bonded directly to each other
Patents: 167 Patent Applications: 44 - 493 Monocyclic
Patents: 250 Patent Applications: 61 - 494 Purification or recovery per se
Patents: 82 Patent Applications: 7 - 495 Additional unsaturation
Patents: 110 Patent Applications: 18 - 496 Carboxyl, or salt thereof, not bonded directly to ring
Patents: 220 Patent Applications: 45 - 497 Preparing alicyclic acids by carbonylation
Patents: 82 Patent Applications: 3 - 498 Plural alicyclic rings
Patents: 134 Patent Applications: 37 - 499 Tricyclo ring system
Patents: 101 Patent Applications: 22 - 500 Two rings only
Patents: 236 Patent Applications: 11 - 501 Orthofused
Patents: 161 Patent Applications: 14 - 502 2,2,1-bicyclo
Patents: 66 Patent Applications: 9 - 503 Cyclopentyl (e.g., prostoglandins, etc.)
Patents: 850 Patent Applications: 41 - 504 Cyclopentyl bonded to -COOR, -CCOOR, or -CCCOOR
Patents: 164 Patent Applications: 22 - 505 Cyclobutyl
Patents: 91 Patent Applications: 15 - 506 Cyclopropyl
Patents: 277 Patent Applications: 25 - 507 Alicyclic acids having an element other than oxygen, carbon, or hydrogen
Patents: 344 Patent Applications: 79 - 508 Alicyclic acids having an oxy, aldehyde, or ketone group
Patents: 160 Patent Applications: 28 - 509 Alicyclic polycarboxylic acids
Patents: 97 Patent Applications: 15 - 510 Alicyclic acids having unsaturation
Patents: 87 Patent Applications: 20 - 511 Naphthenic acids or salts thereof
Patents: 11 Patent Applications: 0 - 512 Acyclic
Patents: 174 Patent Applications: 98 - 512.2 Preparing by oxidation of hydrocarbon mixtures
Patents: 74 Patent Applications: 23 - 512.4 Plural -COO- groups in compound formed
Patents: 26 Patent Applications: 2 - 513 Preparation from source of undetermined composition (e.g., industrial waste, etc.)
Patents: 69 Patent Applications: 7 - 514 Nitrogen containing acid produced
Patents: 7 Patent Applications: 1 - 515 Preparation by degradation of carbohydrates
Patents: 41 Patent Applications: 17 - 516 Preparation by hydrolysis of proteins
Patents: 13 Patent Applications: 1 - 517 Preparation by carbonylation
Patents: 169 Patent Applications: 28 - 518 Of aldehyde or ketone
Patents: 40 Patent Applications: 3 - 519 Of alcohol or alcoholate
Patents: 282 Patent Applications: 67 - 520 Of halogenated hydrocarbon
Patents: 51 Patent Applications: 3 - 521 Of hydrocarbon
Patents: 61 Patent Applications: 5 - 522 Group VIII metal containing catalyst utilized
Patents: 145 Patent Applications: 4 - 523 Formation of carboxyl group by oxidation
Patents: 70 Patent Applications: 9 - 524 Of carboxylic acid or ester
Patents: 39 Patent Applications: 14 - 525 Of oxy acid or ester
Patents: 19 Patent Applications: 3 - 526 Of nitrogen containing compound
Patents: 52 Patent Applications: 11 - 527 Of ketone
Patents: 29 Patent Applications: 6 - 528 Cyclic ketone or mixture thereof with cyclic alcohol
Patents: 39 Patent Applications: 2 - 529 Two stage oxidation from hydrocarbon
Patents: 19 Patent Applications: 0 - 530 With recycle or recovery of reaction component
Patents: 30 Patent Applications: 0 - 531 Of aldehyde
Patents: 115 Patent Applications: 18 - 532 Producing unsaturated acid
Patents: 188 Patent Applications: 36 - 533 Liquid phase oxidation
Patents: 30 Patent Applications: 8 - 534 Group VIII metal containing catalyst utilized
Patents: 152 Patent Applications: 12 - 535 Group V metal containing catalyst utilized
Patents: 219 Patent Applications: 34 - 536 Producing acetic acid
Patents: 47 Patent Applications: 0 - 537 Of ether
Patents: 66 Patent Applications: 9 - 538 Of alcohol
Patents: 148 Patent Applications: 26 - 539 Caustic oxidant
Patents: 24 Patent Applications: 0 - 540 Nitrogen containing oxidant
Patents: 47 Patent Applications: 2 - 541 Of halogenated hydrocarbon
Patents: 10 Patent Applications: 2 - 542 Of hydrocarbon
Patents: 74 Patent Applications: 13 - 543 Alicyclic
Patents: 81 Patent Applications: 2 - 544 Olefin
Patents: 69 Patent Applications: 4 - 545 Producing unsaturated acid
Patents: 166 Patent Applications: 58 - 546 Group VIII metal containing catalyst utilized
Patents: 136 Patent Applications: 27 - 547 Group V metal containing catalyst utilized
Patents: 101 Patent Applications: 47 - 548 Producing acetic acid
Patents: 73 Patent Applications: 7 - 549 Alkane
Patents: 164 Patent Applications: 35 - 550 Formation of carboxyl group by carbonation
Patents: 26 Patent Applications: 6 - 551 Of C-metallated compound
Patents: 12 Patent Applications: 1 - 552 Of alkali metal salt of carboxylic acid
Patents: 11 Patent Applications: 0 - 553 Nitrogen bonded to carbon of organic radical (e.g., amino acids, etc.)
Patents: 356 Patent Applications: 159 - 554 Purification or recovery per se
Patents: 129 Patent Applications: 26 - 555 Carbamic acids or salts thereof
Patents: 67 Patent Applications: 11 - 556 Sulfur or selenium
Patents: 262 Patent Applications: 54 - 557 Alpha N, beta S - acids or salts thereof
Patents: 162 Patent Applications: 52 - 558 Penicillamine per se or salt thereof
Patents: 21 Patent Applications: 1 - 559 Methionine per se or salt thereof
Patents: 91 Patent Applications: 26 - 560 Ureido, hydrazino, or nitrogen double bonded directly to carbon
Patents: 221 Patent Applications: 47 - 561 Plural nitrogens
Patents: 260 Patent Applications: 65 - 562 Lysine per se or salt thereof
Patents: 107 Patent Applications: 22 - 563 Glutamine per se or salt thereof
Patents: 49 Patent Applications: 11 - 564 Oxy containing
Patents: 160 Patent Applications: 19 - 565 Polycarboxylic
Patents: 147 Patent Applications: 26 - 566 Ethylene diamine tetraacetic acid per se or salt thereof
Patents: 26 Patent Applications: 3 - 567 Oxy, aldehyde, or ketone
Patents: 297 Patent Applications: 74 - 568 Polycarboxylic
Patents: 83 Patent Applications: 14 - 569 Pantothenic acid per se or salt thereof
Patents: 11 Patent Applications: 2 - 570 Threonine per se or salt thereof
Patents: 34 Patent Applications: 5 - 571 Polycarboxylic
Patents: 167 Patent Applications: 33 - 572 Nitrilotriacetic acid per se or salt thereof
Patents: 25 Patent Applications: 1 - 573 Glutamic acid per se or salt thereof
Patents: 52 Patent Applications: 8 - 574 Halogen or unsaturation
Patents: 111 Patent Applications: 13 - 575 Alpha nitrogen
Patents: 215 Patent Applications: 27 - 576 Beta alanine per se or salt thereof
Patents: 32 Patent Applications: 4 - 577 Aldehyde or ketone
Patents: 161 Patent Applications: 36 - 578 Polycarboxylic
Patents: 35 Patent Applications: 4 - 579 Oxy
Patents: 152 Patent Applications: 43 - 580 Purification or recovery per se
Patents: 183 Patent Applications: 20 - 581 Sulfur
Patents: 90 Patent Applications: 13 - 582 Polycarboxylic
Patents: 125 Patent Applications: 14 - 583 Ether
Patents: 125 Patent Applications: 5 - 584 Citric acid per se or salt thereof
Patents: 137 Patent Applications: 19 - 585 Tartaric acid per se or salt thereof
Patents: 71 Patent Applications: 16 - 586 Halogen
Patents: 85 Patent Applications: 20 - 587 Polyoxy
Patents: 140 Patent Applications: 30 - 588 Alkoxy
Patents: 44 Patent Applications: 3 - 589 Lactic acid per se or salt thereof
Patents: 147 Patent Applications: 15 - 590 Polycarboxylic
Patents: 267 Patent Applications: 78 - 591 Preparation by isomerization
Patents: 12 Patent Applications: 1 - 592 Preparation by hydrogenation
Patents: 18 Patent Applications: 7 - 593 Purification or recovery per se
Patents: 132 Patent Applications: 13 - 594 Element other than C,H,O,N, or halogen
Patents: 56 Patent Applications: 10 - 595 Unsaturated
Patents: 226 Patent Applications: 22 - 596 Halogen
Patents: 28 Patent Applications: 4 - 597 Oxalic acid per se or salt thereof
Patents: 109 Patent Applications: 11 - 598 Unsaturated
Patents: 281 Patent Applications: 80 - 599 Formation of ethylenic unsaturation
Patents: 148 Patent Applications: 24 - 600 Purification or recovery per se
Patents: 321 Patent Applications: 82 - 601 Sorbic acid per se or salt thereof
Patents: 42 Patent Applications: 2 - 602 Halogen
Patents: 86 Patent Applications: 11 - 603 Preparation by halogenating acid or anhydride
Patents: 42 Patent Applications: 1 - 604 Preparation by dehalogenation
Patents: 8 Patent Applications: 1 - 605 Fluorine containing
Patents: 124 Patent Applications: 25 - 606 Saturated lower fatty acids
Patents: 230 Patent Applications: 44 - 607 Acetic acid per se or salt thereof
Patents: 296 Patent Applications: 17 - 608 Purification or recovery per se
Patents: 232 Patent Applications: 28 - 609 Formic acid per se or salt thereof
Patents: 145 Patent Applications: 17 - 620 Nitrolic acids or salts thereof (i.e., compounds having the group -C(=NOH)-N(=O) (=O), wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
Patents: 2 Patent Applications: 0 - 621 Hydroxamic acids, chalcogen analogs or salts thereof (i.e., compounds having the -C(=X)-N(R)-XH group or the -C(XH)=NXR group, wherein R may be hydrogen or substitution for hydrogen, the X's in each group may be the same or diverse chalcogens, and H of -XH in each group may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
Patents: 195 Patent Applications: 58 - 622 Carbocyclic ring bonded directly to the carbon of the acid group
Patents: 105 Patent Applications: 13 - 623 Nitrogen attached to the acid group directly or indirectly by acyclic nonionic bonding (e.g., N-hydroxy ureas, dihydroxamic acids, etc.)
Patents: 178 Patent Applications: 30 - 624 Imidic acids, chalcogen analogs or salts thereof (i.e., compounds having the group -N-C(XH)-, wherein X is chalcogen and the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
Patents: 17 Patent Applications: 0 - 625 Sulfohydroxamic acids, chalcogen analogs or salts thereof (i.e., compounds having the -S(=O)(=O)-N(R)-XH group, wherein R may be hydrogen or substitution for hydrogen, X is chalcogen, and H of -XH may be replaced by a group IA or IIA light metal,or by substituted or unsubstituted ammonium)
Patents: 3 Patent Applications: 2 - 800 Hydroxamic acid halides or chalcogen analogs therof (i.e., compounds having the -C(=X)NH-halo group, wherein X is chalcogen and substitution may be made for hydrogen only)
Patents: 14 Patent Applications: 1 - 801 Additional nitrogen bonded directly to the -C(=X)- group (e.g., urea halides, etc.)
Patents: 3 Patent Applications: 0 - 802 Imidic acid halides (i.e., compounds having the -N=CH-halo group, wherein substitution may be made for hydrogen only)
Patents: 9 Patent Applications: 0 - 803 Additional halogen bonded directly to the carbon of the imidic halide group (i.e., -N=(halo)C(halo)
Patents: 11 Patent Applications: 0 - 804 Chalcogen attached directly to the nitrogen of the imidic halide group by nonionic bonding (i.e., -X-N=CH-halo, wherein X is chalcogen)
Patents: 16 Patent Applications: 0 - 805 Nitrogen attached directly to the nitrogen of the imidic halide group by nonionic bonding (i.e., HNH-N=CH-halo, wherein subsitution may be made for hydrogen only)
Patents: 5 Patent Applications: 0 - 806 Boron halides (i.e., compounds having halogen attached directly to boron by nonionic bonding
Patents: 6 Patent Applications: 0 - 807 Phosphorus attached directly or indirectly to the boron by nonionic bonding
Patents: 1 Patent Applications: 0 - 808 Phosphorus halides (i.e., compounds having halogen attached directly to phosphorus by nonionic bonding)
Patents: 18 Patent Applications: 2 - 809 Nitrogen bonded directly to the phosphorus
Patents: 7 Patent Applications: 1 - 810 The phosphorus and the nitrogen are in the same ring
Patents: 8 Patent Applications: 0 - 811 Additional phosphorus attached directly or indirectly to the phosphorus by nonionic bonding
Patents: 6 Patent Applications: 0 - 812 The phosphorus is in a ring
Patents: 4 Patent Applications: 0 - 813 Sulfur bonded directly to the phosphorus
Patents: 6 Patent Applications: 0 - 814 Preparing utilizing an inorganic compound containing phosphorus and sulfur
Patents: 7 Patent Applications: 0 - 815 Forming phosphorus to carbon bond
Patents: 3 Patent Applications: 0 - 816 Oxygen bonded directly to the phosphorus
Patents: 13 Patent Applications: 0 - 817 Halogen attached indirectly to the phosphorus by acyclic nonionic bonding
Patents: 29 Patent Applications: 0 - 818 Forming phosphorus to halogen bond
Patents: 13 Patent Applications: 2 - 819 Forming phosphorus to carbon bond
Patents: 4 Patent Applications: 0 - 820 Forming phosphorus to carbon bond
Patents: 15 Patent Applications: 0 - 821 Sulfur halides (i.e., compounds having halogen attached directly to sulfur by nonionic bonding)
Patents: 9 Patent Applications: 0 - 822 Nitrogen bonded directly to the sulfur
Patents: 22 Patent Applications: 1 - 823 Phosphorus, -C(=X)-, wherein X is chalcogen, additional chalcogen attached directly to the nitrogen by nonionic bonding
Patents: 13 Patent Applications: 0 - 824 The halogen is fluorine
Patents: 9 Patent Applications: 10 - 825 Chalcogen double bonded directly to the sulfur (e.g., sulfonyl fluorides, etc.)
Patents: 51 Patent Applications: 11 - 826 Benzene attached directly or indirectly to the sulfur by nonionic bonding
Patents: 24 Patent Applications: 2 - 827 Chalcogen double bonded directly to the sulfur (e.g., sulfinyl halides, etc.)
Patents: 7 Patent Applications: 2 - 828 Plural chalcogens double bonded directly to the sulfur (e.g., sulfonyl halides, etc.)
Patents: 49 Patent Applications: 1 - 829 Processes for forming the sulfonyl halide group utilizing elemental halogen
Patents: 21 Patent Applications: 1 - 830 Preparing utilizing thionyl halide or carbonyl dihalide (e.g., phosgene, etc.)
Patents: 15 Patent Applications: 0 - 831 Plural sulfonyl halide groups attached indirectly to each other by nonionic bonding
Patents: 13 Patent Applications: 1 - 832 Nitrogen, other than as nitro or nitroso, attached indirectly to the sulfur by nonionic bonding
Patents: 19 Patent Applications: 0 - 833 Chalcogen attached indirectly to the sulfur by nonionic bonding
Patents: 42 Patent Applications: 0 - 834 Halogen attached indirectly to the sulfur by nonionic bonding
Patents: 24 Patent Applications: 2 - 835 Chalcogen or nitrogen attached indirectly to the sulfur by nonionic bonding
Patents: 6 Patent Applications: 0 - 836 Perchloro methyl mercaptan per se (i.e., trichloromethane sulfenyl chloride)
Patents: 7 Patent Applications: 0 - 837 Compounds having the -(O=)S(=O)-NH-halo group (i.e., N-halo sulfonamides, wherein substitution may be made for hydrogen only)
Patents: 2 Patent Applications: 1 - 838 Thiocarboxylic halides (i.e., compounds having the -C(=S)-halo group)
Patents: 2 Patent Applications: 0 - 839 Additional halogen bonded directly to the -C(=S)- group (e.g., thiophosgene, etc.)
Patents: 1 Patent Applications: 0 - 840 Carboxylic halides (i.e., compounds having the -C(=O)-halo group)
Patents: 153 Patent Applications: 9 - 841 With preservative or stabilizer
Patents: 4 Patent Applications: 0 - 842 Boron or phosphorus attached directly or indirectly to the carbonyl group by nonionic bonding
Patents: 5 Patent Applications: 0 - 843 Carbonyl bonded directly to the carbonyl group (e.g., oxalyl chlorides, etc.)
Patents: 17 Patent Applications: 0 - 844 Nitrogen bonded directly to the carbonyl group (e.g., carbamyl chlorides, etc.)
Patents: 22 Patent Applications: 0 - 845 Chalcogen or additional carbonyl bonded directly to the nitrogen
Patents: 22 Patent Applications: 0 - 846 Processes utilizing phosgene as a reactant
Patents: 8 Patent Applications: 0 - 847 Phosgene, per se
Patents: 26 Patent Applications: 7 - 848 Processes utilizing carbon monoxide as a reactant
Patents: 28 Patent Applications: 2 - 849 Fluorine is the halogen (i.e., carboxylic fluorides)
Patents: 130 Patent Applications: 13 - 850 Plural -C(=O)-F groups attached indirectly to each other by nonionic bonding
Patents: 54 Patent Applications: 3 - 851 Processes for forming the carbonyl group
Patents: 49 Patent Applications: 5 - 852 Processes for forming the carbonyl to fluoride bond
Patents: 52 Patent Applications: 3 - 853 Plural -C(=O)-halo groups attached indirectly to each other by nonionic bonding
Patents: 60 Patent Applications: 4 - 854 Preparing utilizing phosgene
Patents: 9 Patent Applications: 1 - 855 Plural -C(=O)-halo groups bonded directly to the same benzene ring
Patents: 30 Patent Applications: 7 - 856 Processes
Patents: 36 Patent Applications: 2 - 857 Phosgene reactant
Patents: 34 Patent Applications: 3 - 858 Ketene reactant
Patents: 6 Patent Applications: 0 - 859 Forming the carbonyl group
Patents: 33 Patent Applications: 1 - 860 By oxidizing a halogenated olefin
Patents: 10 Patent Applications: 0 - 861 Forming the carbonyl to halide bond
Patents: 60 Patent Applications: 7 - 862 Reactant having halogen bonded directly to sulfur by nonionic bonding
Patents: 58 Patent Applications: 6 - 863 Elemental halogen or hydrogen halide utilized
Patents: 35 Patent Applications: 1 - 864 Halogenation
Patents: 41 Patent Applications: 0 - 865 Dehalogenation or dehydrohalogenation
Patents: 3 Patent Applications: 0 - 866 Purification or recovery
Patents: 16 Patent Applications: 0 - 867 Alicyclic ring containing
Patents: 67 Patent Applications: 2 - 868 Nitrogen attached indirectly to the carbonyl group by nonionic bonding
Patents: 35 Patent Applications: 2 - 869 Containing -C(=X)-CN, wherein X is chalcogen (e.g., carbonyl cyanides, etc.)
Patents: 36 Patent Applications: 2 - 870 Sulfonyl isocyanates or sulfonyl isothiocyanates, (i.e., compounds having the -S(=O)(=O)-N=C=X group, wherein X is oxygen or sulfur)
Patents: 19 Patent Applications: 0 - 871 Containing -C(=X)-N=C=X or -C(=X)-X-N=N-X-, wherein the X's may be the same or diverse chalcogens
Patents: 5 Patent Applications: 0 - 872 Sulfonic anhydrides (i.e., compounds having the -S(=O)(=O)-O-S(=O)(O=) group
Patents: 8 Patent Applications: 3 - 873 Containing -S(=O)(=O)-CN or -S(=O)(=O)-N=S=O
Patents: 4 Patent Applications: 1 - 874 Containing -C(=X)-NH-X-C(=X)- or -C(=X)-NH-X-S(=O)(=O)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens
Patents: 23 Patent Applications: 0 - 875 Containing -C(=NH)-X-C(=X)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens
Patents: 5 Patent Applications: 0 - 876 Phosphorus bonded directly to the single bonded X of a -C(=X)-X-group, wherein the X's may be the same or diverse chalcogens
Patents: 13 Patent Applications: 5 - 877 Phosphorus bonded directly to cyano or to -N=C=X, wherein X is chalcogen
Patents: 1 Patent Applications: 0 - 878 Two phosphori bonded directly to the same divalent chalcogen atom (e.g., pyrophosphorus compounds, etc.)
Patents: 13 Patent Applications: 0 - 879 Containing -C(=X)-X-N(=O) or -C(=X)-X-S(=O)(=O)-, wherein the X's may be the same or diverse chalcogens
Patents: 10 Patent Applications: 0 - 880 Containing -C(=X)-NH-X-NH-C(=X)- or -C(=X)-X-NH-S(=O)(=O)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens
Patents: 2 Patent Applications: 0 - 881 Containing -C(=X)-NH-X-halo, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens
Patents: 1 Patent Applications: 0 - 882 Boron bonded directly to the single bonded X of a -C(=X)-X- group, wherein the X's may be the same or diverse chalcogens
Patents: 6 Patent Applications: 1 - 883 Two borons bonded directly to the same divalent chalcogen atom (e.g., boroxoles, etc.)
Patents: 0 Patent Applications: 0 - 884 Boron bonded directly to the single bonded oxygen of a -S(=O)(=O)-O- group
Patents: 0 Patent Applications: 0 - 885 Compounds having the -S-SCN group bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon
Patents: 1 Patent Applications: 0 - 886 Thiocarboxylic acid anhydrides (i.e., compounds having the -C(=X)-X C(=X)- group, wherein the X's may be the same or diverse chalcogens and at least one X is sulfur)
Patents: 4 Patent Applications: 0 - 887 Carboxylic acid anhydrides (i.e., compounds having the -C(=O)-O-C(=O)- group)
Patents: 68 Patent Applications: 6 - 888 Processes of forming the -C(=O)-O-C(=O)- group
Patents: 32 Patent Applications: 7 - 889 Aldehyde reactant
Patents: 8 Patent Applications: 0 - 890 Carbon monoxide or metal carbonyl reactant
Patents: 39 Patent Applications: 4 - 891 Ether or carboxylic acid ester reactant
Patents: 106 Patent Applications: 4 - 892 Ketone or ketene reactant
Patents: 8 Patent Applications: 0 - 893 Ether or carboxylic acid ester reactant
Patents: 12 Patent Applications: 1 - 894 Carboxylic acid salt reactant
Patents: 10 Patent Applications: 0 - 895 Dehydration of two like or different molecules of carboxylic acid
Patents: 13 Patent Applications: 1 - 896 Vapor phase
Patents: 5 Patent Applications: 1 - 897 Carboxylic acid halide reactant
Patents: 14 Patent Applications: 0 - 898 Purification or recovery
Patents: 34 Patent Applications: 0 - 899 Selenium or tellurium containing
Patents: 88 Patent Applications: 29
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