Subclasses list

• 101 HALOGEN CONTAINING 
  Patents: 71
  Patent Applications: 22
• 102 With preservative or stabilizer 
  Patents: 19
  Patent Applications: 5
• 103 To prevent or reduce polymerization 
  Patents: 11
  Patent Applications: 1
• 104 Nitrogen bonded directly to oxygen in preservative or stabilizer 
  Patents: 10
  Patent Applications: 0
• 105 Oxygen single bonded directly to benzene ring in preservative or stabilizer 
  Patents: 7
  Patent Applications: 0
• 106 Sulfur containing preservative or stabilizer 
  Patents: 4
  Patent Applications: 0
• 107 Acetylenic unsaturation containing preservative or stabilizer 
  Patents: 4
  Patent Applications: 0
• 108 Hydroxy, bonded directly to carbon, or ether containing 
  Patents: 7
  Patent Applications: 0
• 109 Nitrogen containing hetero ring in preservative or stabilizer 
  Patents: 23
  Patent Applications: 4
• 110 Acyclic nitro containing preservative or stabilizer 
  Patents: 32
  Patent Applications: 3
• 111 Nitrogen other than as ammonia or the ammonium ion in preservative or stabilizer 
  Patents: 28
  Patent Applications: 4
• 112 Nitrile 
  Patents: 6
  Patent Applications: 0
• 113 Imine (e.g., hydrazone, oxime, etc.) 
  Patents: 7
  Patent Applications: 1
• 114 Oxygen containing hetero ring in preservative or stabilizer 
  Patents: 8
  Patent Applications: 1
• 115 Hetero ring containing plural ring oxygens 
  Patents: 12
  Patent Applications: 0
• 116 Oxirane ring 
  Patents: 31
  Patent Applications: 3
• 117 Carbonyl containing preservative or stabilizer 
  Patents: 13
  Patent Applications: 2
• 118 Hydroxy, bonded to carbon, or ether containing preservative or stabilizer 
  Patents: 25
  Patent Applications: 4
• 119 Phenolic 
  Patents: 7
  Patent Applications: 2
• 120 Sulfur containing preservative or stabilizer 
  Patents: 5
  Patent Applications: 3
• 121 Hydrocarbon, halocarbon or halohydrocarbon preservative or stabilizer 
  Patents: 15
  Patent Applications: 2
• 122 Acyclic carbon to carbon unsaturation containing 
  Patents: 14
  Patent Applications: 4
• 123 Fluorine containing 
  Patents: 138
  Patent Applications: 24
• 124 Product 
  Patents: 55
  Patent Applications: 8
• 125 Polymer of unsaturated compound 
  Patents: 23
  Patent Applications: 0
• 126 Fluorine is sole halogen 
  Patents: 36
  Patent Applications: 5
• 127 Benzene ring containing 
  Patents: 239
  Patent Applications: 21
• 128 Acyclic unsaturation containing 
  Patents: 137
  Patent Applications: 33
• 129 Plural carbocyclic rings containing 
  Patents: 295
  Patent Applications: 91
• 130 Plural carbocyclic rings containing 
  Patents: 77
  Patent Applications: 10
• 131 Carbocyclic ring contains six carbon atoms 
  Patents: 68
  Patent Applications: 11
• 132 Carbocyclic ring contains four carbon atoms 
  Patents: 20
  Patent Applications: 2
• 133 Carbocyclic ring contains three carbon atoms 
  Patents: 7
  Patent Applications: 0
• 134 Acyclic 
  Patents: 181
  Patent Applications: 37
• 135 Unsaturated 
  Patents: 54
  Patent Applications: 25
• 136 Fluorine is sole halogen 
  Patents: 89
  Patent Applications: 55
• 137 Bromine or iodine containing 
  Patents: 34
  Patent Applications: 7
• 138 Polymerization of unsaturated compound 
  Patents: 25
  Patent Applications: 0
• 139 With chain terminating agent (e.g., telogen, etc.) 
  Patents: 22
  Patent Applications: 2
• 140 From organic compound containing an element other than carbon, hydrogen, or halogen 
  Patents: 35
  Patent Applications: 10
• 141 Nitrogen containing 
  Patents: 46
  Patent Applications: 10
• 142 Oxygen containing 
  Patents: 127
  Patent Applications: 22
• 143 Preparing benzene ring containing compound 
  Patents: 85
  Patent Applications: 23
• 144 Haloalkyl containing compound 
  Patents: 160
  Patent Applications: 13
• 145 By substituting halogen for a different halogen in haloalkyl group 
  Patents: 53
  Patent Applications: 2
• 146 Forming the benzene ring 
  Patents: 7
  Patent Applications: 0
• 147 Substituting halogen for different halogen or hydrogen 
  Patents: 72
  Patent Applications: 14
• 148 Forming alicyclic ring from benzene ring 
  Patents: 6
  Patent Applications: 1
• 149 Forming alicyclic ring from acyclic compound 
  Patents: 8
  Patent Applications: 1
• 150 Preparing from elemental carbon, carbon oxide, or carbon disulfide 
  Patents: 14
  Patent Applications: 0
• 151 Isomerization 
  Patents: 39
  Patent Applications: 22
• 152 Decreasing molecular weight of polymer of indeterminate structure 
  Patents: 8
  Patent Applications: 3
• 153 Preparing unsaturated compound 
  Patents: 84
  Patent Applications: 36
• 154 From acetylenically unsaturated compound 
  Patents: 10
  Patent Applications: 4
• 155 By dehalogenation or dehydrohalogenation of adjacent carbon atoms in a compound 
  Patents: 66
  Patent Applications: 60
• 156 Catalyst utilized 
  Patents: 115
  Patent Applications: 93
• 157 Alkali or alkaline earth metal containing catalyst 
  Patents: 53
  Patent Applications: 17
• 158 Zinc containing catalyst 
  Patents: 30
  Patent Applications: 12
• 159 From methane or halomethane 
  Patents: 19
  Patent Applications: 7
• 160 Substituting fluorine for a different halogen 
  Patents: 35
  Patent Applications: 34
• 161 Utilizing halogen fluoride or a mixture of elemental fluorine and another elemental halogen 
  Patents: 41
  Patent Applications: 15
• 162 Utilizing a compound containing silicon and fluorine 
  Patents: 14
  Patent Applications: 2
• 163 Transhalogenation or disproportionation 
  Patents: 49
  Patent Applications: 12
• 164 By reacting with hydrogen fluoride 
  Patents: 120
  Patent Applications: 21
• 165 Catalyst utilized 
  Patents: 160
  Patent Applications: 39
• 166 Metal halide containing catalyst 
  Patents: 200
  Patent Applications: 12
• 167 Antimony halide containing catalyst 
  Patents: 154
  Patent Applications: 9
• 168 Transition metal halide containing catalyst 
  Patents: 242
  Patent Applications: 13
• 169 Metal oxide containing catalyst 
  Patents: 196
  Patent Applications: 19
• 170 Substituting halogen for a different halogen 
  Patents: 114
  Patent Applications: 10
• 171 Increasing the number of carbon atoms in the compound 
  Patents: 43
  Patent Applications: 10
• 172 Utilizing unsaturated compound 
  Patents: 83
  Patent Applications: 9
• 173 Decreasing the number of carbons in the compound (e.g., cracking, etc.) 
  Patents: 8
  Patent Applications: 1
• 174 Introducing bromine or iodine 
  Patents: 25
  Patent Applications: 4
• 175 Utilizing unsaturated compound 
  Patents: 112
  Patent Applications: 24
• 176 Replacing halogen with hydrogen 
  Patents: 134
  Patent Applications: 8
• 177 Purification or recovery 
  Patents: 168
  Patent Applications: 24
• 178 Including distillation 
  Patents: 158
  Patent Applications: 34
• 179 Solid sorbent utilized 
  Patents: 74
  Patent Applications: 11
• 180 Including extraction with organic liquid 
  Patents: 53
  Patent Applications: 6
• 181 Product 
  Patents: 55
  Patent Applications: 12
• 182 Benzene ring containing 
  Patents: 130
  Patent Applications: 18
• 183 Polycyclo ring system 
  Patents: 145
  Patent Applications: 80
• 184 Plural benzene rings bonded directly to the same acyclic carbon or attached by an acyclic carbon chain 
  Patents: 60
  Patent Applications: 14
• 185 Benzene ring and halogen bonded directly to the same acyclic carbon or attached by an acyclic carbon chain 
  Patents: 82
  Patent Applications: 8
• 186 Alicyclic ring containing 
  Patents: 45
  Patent Applications: 3
• 187 Polycyclo ring system 
  Patents: 66
  Patent Applications: 6
• 188 Plural rings containing 
  Patents: 33
  Patent Applications: 5
• 189 Acyclic carbon to carbon unsaturation containing 
  Patents: 75
  Patent Applications: 6
• 190 Processes of preparing, purifying, or recovering benzene ring containing compound 
  Patents: 106
  Patent Applications: 18
• 191 Preparing acyclic haloalkyl group containing compound 
  Patents: 62
  Patent Applications: 3
• 192 Halo, 1,1-diphenylethane or ring substituted derivative thereof prepared (e.g., DDT, etc.) 
  Patents: 16
  Patent Applications: 0
• 193 Having acyclic carbon to carbon unsaturation 
  Patents: 39
  Patent Applications: 1
• 194 Bonding haloalkyl group directly to benzene ring 
  Patents: 20
  Patent Applications: 2
• 195 Oxygen containing organic compound reactant 
  Patents: 17
  Patent Applications: 0
• 196 Halogenation of acyclic carbon 
  Patents: 36
  Patent Applications: 4
• 197 Catalyst utilized 
  Patents: 23
  Patent Applications: 1
• 198 Halogen containing catalyst 
  Patents: 11
  Patent Applications: 0
• 199 Bonding benzene rings to the same acyclic carbon or to an acyclic carbon chain 
  Patents: 20
  Patent Applications: 1
• 200 Preparing acyclic carbon to carbon unsaturation containing compound 
  Patents: 41
  Patent Applications: 5
• 201 Oxygen containing organic compound reactant 
  Patents: 43
  Patent Applications: 11
• 202 Isomerization 
  Patents: 31
  Patent Applications: 0
• 203 Oxyhalogenation 
  Patents: 37
  Patent Applications: 3
• 204 Dehalogenation or dehydrohalogenation 
  Patents: 46
  Patent Applications: 5
• 205 Of alicyclic ring to prepare benzene ring 
  Patents: 3
  Patent Applications: 0
• 206 Bonding halogen directly to benzene ring 
  Patents: 142
  Patent Applications: 28
• 207 Chlorination 
  Patents: 54
  Patent Applications: 9
• 208 Catalyst utilized 
  Patents: 95
  Patent Applications: 5
• 209 Sulfur containing catalyst 
  Patents: 46
  Patent Applications: 0
• 210 Metal halide containing catalyst 
  Patents: 63
  Patent Applications: 1
• 211 Purification or recovery 
  Patents: 101
  Patent Applications: 4
• 212 Forming alicyclic ring from benzene ring 
  Patents: 6
  Patent Applications: 0
• 213 Purification or recovery of 1,2,3,4,5,6 - hexachlorocyclohexane (i.e., benzene hexachloride) 
  Patents: 3
  Patent Applications: 0
• 214 Ring formation, ring expansion or contraction or bonding one alicyclic ring directly or indirectly to another alicyclic ring 
  Patents: 21
  Patent Applications: 0
• 215 Diels-Alder reaction 
  Patents: 7
  Patent Applications: 0
• 216 Processes of preparing, purifying, or recovering unsaturated compound 
  Patents: 57
  Patent Applications: 10
• 217 From carbon source other than hydrocarbon, halocarbon, or halohydrocarbon 
  Patents: 46
  Patent Applications: 6
• 218 Decreasing the number of carbon atoms in the compound 
  Patents: 13
  Patent Applications: 2
• 219 Plural diverse reactions in separate zones 
  Patents: 18
  Patent Applications: 1
• 220 Dehalogenation or dehydrohalogenation with halogenation in separate zones 
  Patents: 32
  Patent Applications: 4
• 221 Acetylene reactant 
  Patents: 4
  Patent Applications: 0
• 222 Including oxyhalogenation or oxidation with elemental oxygen 
  Patents: 17
  Patent Applications: 0
• 223 Including oxhalogenation or oxidation with elemental oxygen 
  Patents: 30
  Patent Applications: 1
• 224 Oxyhalogenation 
  Patents: 65
  Patent Applications: 5
• 225 Liquid medium or inorganic melt utilized 
  Patents: 14
  Patent Applications: 5
• 226 Dehydrohalogenation 
  Patents: 52
  Patent Applications: 10
• 227 Catalyst utilized 
  Patents: 34
  Patent Applications: 13
• 228 Catalyst in liquid phase 
  Patents: 34
  Patent Applications: 0
• 229 Including chemical reaction with by-product hydrogen halide 
  Patents: 33
  Patent Applications: 1
• 230 Dehalogenation or dehydrogenation 
  Patents: 38
  Patent Applications: 7
• 231 Addition reaction of free halogen or hydrogen halide to carbon to carbon unsaturation 
  Patents: 32
  Patent Applications: 4
• 232 To triple bond 
  Patents: 6
  Patent Applications: 0
• 233 To acetylene 
  Patents: 7
  Patent Applications: 3
• 234 Elemental halogen reactant 
  Patents: 29
  Patent Applications: 3
• 235 Metal halide reactant 
  Patents: 16
  Patent Applications: 0
• 236 Isomerization 
  Patents: 36
  Patent Applications: 1
• 237 Increasing the number of carbon atoms in the compound 
  Patents: 30
  Patent Applications: 10
• 238 Purification or recovery 
  Patents: 72
  Patent Applications: 2
• 239 Including contact with solid agent 
  Patents: 12
  Patent Applications: 2
• 240 Preparing from elemental carbon, inorganic carbide, carbon disulfide, or carbon oxide 
  Patents: 9
  Patent Applications: 3
• 241 Preparing utilizing plural diverse reactions in separate zones 
  Patents: 38
  Patent Applications: 3
• 242 Addition reaction of hydrogen chloride to carbon to carbon unsaturation with chlorination in separate zone 
  Patents: 3
  Patent Applications: 0
• 243 Preparing by oxyhalogenation 
  Patents: 102
  Patent Applications: 11
• 244 Liquid medium or inorganic melt utilized 
  Patents: 26
  Patent Applications: 5
• 245 Fixed bed catalyst utilized 
  Patents: 56
  Patent Applications: 4
• 246 Preparing by addition of elemental halogen, interhalogen compound, or hydrogen halide to carbon to carbon unsaturation 
  Patents: 47
  Patent Applications: 6
• 247 Catalyst or reaction directing agent utilized 
  Patents: 39
  Patent Applications: 2
• 248 Hydrogen halide reactant 
  Patents: 23
  Patent Applications: 1
• 249 Nonmetallic catalyst or reaction directing agent utilized 
  Patents: 6
  Patent Applications: 0
• 250 Catalyst or reaction directing agent containing or group VIII metal utilized 
  Patents: 16
  Patent Applications: 1
• 251 All reactants in vapor phase 
  Patents: 11
  Patent Applications: 1
• 252 Elemental halogen reactant 
  Patents: 43
  Patent Applications: 10
• 253 Catalyst or reacton directing agent utilized 
  Patents: 33
  Patent Applications: 4
• 254 Inorganic metal containing catalyst or reaction directing agent utilized 
  Patents: 36
  Patent Applications: 4
• 255 All reactants in vapor phase 
  Patents: 24
  Patent Applications: 2
• 256 Isomerization 
  Patents: 7
  Patent Applications: 3
• 257 Preparing by increasing the number of carbons in the compound 
  Patents: 48
  Patent Applications: 6
• 258 Preparing by reacting hydrogen halide with a compound which contains hydroxy bonding directly to carbon 
  Patents: 40
  Patent Applications: 7
• 259 Preparing by reacting ether with hydrogen halide 
  Patents: 5
  Patent Applications: 0
• 260 Preparing by halogen exchange 
  Patents: 22
  Patent Applications: 4
• 261 Halogen source is a compound other than hydrogen halide 
  Patents: 89
  Patent Applications: 12
• 262 Purification or recovery 
  Patents: 155
  Patent Applications: 19
• 263 Liquid-liquid extraction 
  Patents: 19
  Patent Applications: 1
• 264 Preservation or stabilization treatment 
  Patents: 11
  Patent Applications: 0