Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 549
Name: Organic compounds -- part of the class 532-570 series >
Description:










Class Number Class Name No. of Patents
 

Organic compounds (class 532, subclass 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 (class 540, subclass 1)

 
549/200

Oxygen containing hetero ring (e.g., dioxirane, etc.)

184
549/213

Boron containing

115
549/231

Cyclic anhydrides (i.e., -c(=x)oc(=x)-, wherein the x's are the same or diverse chalcogens, is part of the hetero ring)

63
549/232

The cyclic anhydride has at least six members and is a cyclo in a polycyclo ring system

66
549/233

The cyclic anhydride is five-membered (e.g., succinic anhydride, etc.)

90
549/255

Acyclic carbon chain containing carbon to carbon unsaturation bonded directly to the cyclic anhydride

75
549/261

Double bond between ring members of the cyclic anhydride

26
549/262

Maleic anhydride per se

103
549/254

Halogen attached directly or indirectly to the cyclic anhydride by nonionic bonding

19
549/253

Nitrogen or additional chalcogen attached directly or indirectly to the cyclic anhydride by nonionic bonding

66
549/252

Plural hetero rings

58
549/234

Polycyclo ring system having the cyclic anhydride as one of the cyclos

49
549/240

Bicyclo ring system having the cyclic anhydride as one of the cyclos

66
549/246

Halogen bonded directly to the bicyclo ring system

46
549/244

Having -c(=x)-, wherein x is chalcogen, bonded directly to the bicyclo ring system

17
549/245

The -c(=x)- is part of a -c(=x)xh group, wherein the x's are the same or diverse chalcogens, or salt thereof (e.g., trimellitic anhydride, etc.)

50
549/243

Nitrogen or additional chalcogen bonded directly to the bicyclo ring system

54
549/247

Phthalic anhydride per se

53
549/248

Preparing by oxidation

120
549/249

Fluidized catalyst

44
549/250

Purification or recovery

59
549/251

By chemical reaction of impurity in presence of added chemical substance

16
549/241

Plural bicyclo ring systems each having the cyclic anhydride as one of the cyclos

119
549/242

Having -c(=x)-, wherein x is chalcogen, bonded directly to at least one of the bicyclo ring systems

29
549/235

Tetracyclo ring system having the cyclic anhydride as one of the cyclos

27
549/236

Tricyclo ring system having the cyclic anhydride as one of the cyclos

43
549/239

Plural ring oxygens in the tricyclo ring system

66
549/237

Two of the cyclos share at least three ring members (i.e., bridged)

29
549/238

Halogen bonded directly to the tricyclo ring system

2
549/256

Preparing by oxidation

49
549/258

Of acyclic or alicyclic hydrocarbon

91
549/259

Vanadium and phosphorus, in compound or elemental form, utilized

196
549/260

Additional heavy metal, other than titanium, utilized

154
549/257

Of benzene or hydrocarbyl substituted benzene

83
549/206

Heavy metal or aluminum containing

141
549/207

Arsenic containing

18
549/212

Polycyclo ring system having the hetero ring as one of the cyclos

45
549/208

The hetero ring has three members or at least seven members

41
549/209

The metal is bonded directly to carbon, which carbon is a ring carbon of the hetero ring or which carbon is attached directly or indirectly to the hetero ring by nonionic bonding

47
549/210

The metal is bonded directly to chalcogen, which chalcogen is attached directly or indirectly to the hetero ring by nonionic bonding

92
549/211

The chalcogen, x, is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

27
549/263

Lactones (i.e., -c(=x)o-, wherein x is chalcogen, is part of the hetero ring)

129
549/327

Acyclic carbon double bonded directly to a ring carbon of a four-membered lactone ring

10
549/328

Four-membered lactone ring formed

78
549/329

From a ketene (hch=c=o, wherein h may be substituted)

29
549/264

Spiro

229
549/265

The spiro includes the lactone ring

169
549/266

The lactone ring has at least seven members

130
549/271

Additional chalcogen attached directly or indirectly to the lactone ring by nonionic bonding

119
549/267

Plural ring oxygens in the lactone ring

150
549/268

Polycyclo ring system having the lactone ring as one of the cyclos

89
549/269

Bicyclo ring system having the lactone ring as one of the cyclos

62
549/270

Additional acyclic chalcogen bonded directly to the lactone ring (e.g., zearalanone, etc.)

76
549/272

Preparing from a cyclic ketone (i.e., a ketone where the carbonyl is part of a ring)

37
549/295

The lactone ring is five-membered

242
549/313

Additional chalcogen bonded directly to the lactone ring

182
549/318

Acyclic -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the lactone ring by nonionic bonding

104
549/314

At least two additional chalcogens bonded directly to the lactone ring

26
549/315

Double bond between ring members of the lactone ring or chalcogen double bonded directly at the 3- or 4-position of the lactone ring (e.g., ascorbic acid, etc.)

158
549/316

Amine addition salts

29
549/317

Sulfur or -c(=x)-, wherein x is chalcogen, bonded directly to acyclic chalcogen

26
549/319

Plural alkyl groups bonded directly to the same ring carbon of the lactone ring (e.g., pantolactone, etc.)

41
549/323

Chalcogen attached indirectly to the lactone ring by nonionic bonding

185
549/324

Halogen attached directly or indirectly to the lactone ring by nonionic bonding

72
549/322

Having -c(=x), wherein x is chalcogen, bonded directly to the lactone ring

70
549/321

Nitrogen attached directly or indirectly to the lactone ring by acyclic nonionic bonding

158
549/320

Plural hetero rings

100
549/296

Plural ring oxygens in the lactone ring

39
549/297

Polycyclo ring system having the lactone ring as one of the cyclos

81
549/302

Bicyclo ring system having the lactone ring as one of the cyclos

106
549/305

Chalcogen attached indirectly to the lactone ring by acyclic nonionic bonding

142
549/304

Nitrogen attached indirectly to the lactone ring by acyclic nonionic bonding

80
549/303

Nitrogen bonded directly to the lactone ring

41
549/306

Plural ring oxygens in the bicyclo ring system

38
549/311

The bicyclo ring system consists of two five-membered rings

113
549/312

Acyclic carbon chain containing carbon to carbon unsaturation attached directly or indirectly to the lactone ring by nonionic bonding

114
549/307

The other cyclo of the bicyclo ring system is benzene (e.g., phthalides, etc.)

126
549/310

Additional chalcogen bonded directly to the bicyclo ring system

83
549/308

Two carbocyclic rings bonded directly to the same ring atom of the lactone ring

42
549/309

Nitrogen bonded directly to each of the carbocyclic rings

22
549/298

Tetracyclo ring system having the lactone ring as one of the cyclos

112
549/299

Tricyclo ring system having the lactone ring as one of the cyclos

155
549/301

The tricyclo ring system consists of the lactone ring, a five-membered carbocyclic ring, and a three-membered carbocyclic ring

15
549/300

Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)

72
549/325

Preparing by hydrogenation of cyclic anhydrides

68
549/326

Preparing from compound containing -coo- group

145
549/273

The lactone ring is six-membered

167
549/291

Acyclic -c(=x)-, wherein x is chalcogen, bonded directly to the lactone ring

80
549/292

Additional chalcogen bonded directly to the lactone ring

376
549/294

Double bond between ring members of the lactone ring

61
549/293

Nitrogen attached directly or indirectly to the lactone ring by nonionic bonding

51
549/274

Plural ring oxygens in the lactone ring

202
549/275

Polycyclo ring system having the lactone ring as one of the cyclos

31
549/283

Bicyclo ring system having the lactone ring as one of the cyclos

154
549/287

Acyclic -c(=x)-, wherein x is chalcogen, bonded directly to the lactone ring

50
549/285

Additional acyclic chalcogen bonded directly to the lactone ring

146
549/286

Benzene ring and the lactone ring bonded directly to the same acyclic carbon

21
549/288

Nitrogen bonded directly to the bicyclo ring system

94
549/284

Plural bicyclo ring systems each having the lactone ring as one of the cyclos

25
549/290

The bicyclo lactone consists of two six-membered rings and is unsubstituted or hydrocarbyl substituted only

67
549/289

The other cyclo of the bicyclo ring system is a six-membered carbocyclic ring to which chalcogen is directly attached

142
549/276

Tetracyclo ring system having the lactone ring as one of the cyclos

27
549/279

Ring oxygen bonded directly to ring carbon which is a member of two cyclos in the tetracyclo ring system

16
549/277

The tetracyclo ring system consists of four six-membered cyclos

27
549/278

At least two additional chalcogens bonded directly to the tetracyclo ring system

26
549/280

Tricyclo ring system having the lactone ring as one of the cyclos

83
549/282

Plural ring oxygens in the tricyclo ring system

109
549/281

Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)

38
549/218

Phosphorus attached indirectly to the hetero ring by nonionic bonding

225
549/222

Chalcogen bonded directly to the hetero ring

129
549/219

Oxirane ring containing

34
549/221

Plural ring oxygens in the hetero ring

108
549/220

Polycyclo ring system having the hetero ring as one of the cyclos

253
549/216

Phosphorus bonded directly to the hetero ring

66
549/217

Oxirane ring containing

16
549/214

Silicon containing

660
549/215

Oxirane ring containing

204
549/330

Spiro

93
549/331

The spiro includes a hetero ring

162
549/345

Bicyclo ring system having the spiro hetero ring as one of the cyclos (e.g., griseofulvin, etc.)

118
549/343

Both rings which form the spiro are hetero rings

60
549/344

Polycyclo ring system having one of the two hetero rings which form the spiro as one of the cyclos

52
549/333

Plural ring oxygens in a spiro hetero ring

126
549/334

Both rings which form the spiro are hetero rings

70
549/335

Two six-membered hetero rings, which each contain plural ring oxygens, form the spiro (e.g., spirobi-(meta-dioxane), etc.)

52
549/336

Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos

136
549/337

Additional hetero ring containing

44
549/338

Plural five-membered hetero rings

27
549/339

Spiro ring is a cyclo in a tricyclo-carbocyclic ring system

22
549/340

Acyclic -c(=x)-, wherein x is chalcogen, containing

14
549/341

The spiro hetero ring is five-membered

104
549/342

Acyclic -c(=x)-, wherein x is chalcogen, containing

78
549/332

The spiro includes a three- or four-membered hetero ring

194
549/228

The hetero ring contains -o-c(=x)-o- as part of its structure, wherein x is chalcogen (e.g., cyclic carbonates, etc.)

110
549/229

The hetero ring is five-membered

226
549/230

The five-membered hetero ring, except for the =x to the ring, is unsubstituted or hydrocarbyl substituted only

131
549/346

The hetero ring has at least seven members

143
549/347

Plural ring oxygens in the hetero ring

179
549/348

Polycyclo ring system having the hetero ring as one of the cyclos

117
549/350

Bicyclo ring system having the hetero ring as one of the cyclos

113
549/351

Three or more ring oxygens in the bicyclo ring system

41
549/349

Tricyclo ring system having the hetero ring as one of the cyclos

115
549/352

Three or more ring oxygens in the hetero ring

69
549/353

Exactly four oxygens in the hetero ring

49
549/354

Polycyclo ring system having the hetero ring as one of the cyclos

188
549/355

Bicyclo ring system having the hetero ring as one of the cyclos

140
549/429

The hetero ring is five-membered

313
549/497

Chalcogen attached indirectly to the hetero ring by nonionic bonding

214
549/502

Plural chalcogens attached indirectly to the hetero ring by nonionic bonding

135
549/503

Preparing by hydrogenation of furfural

25
549/498

The chalcogen, x, is in a -c(=x)- group

160
549/499

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

233
549/501

Additional chalcogen attached indirectly to the hetero ring by nonionic bonding

182
549/500

Plural -c(=x)x- groups attached indirectly to the hetero ring by nonionic bonding

64
549/475

Chalcogen bonded directly to the hetero ring

352
549/479

Double bond between ring members of the hetero ring

286
549/476

Plural chalcogens bonded directly to the hetero ring

140
549/477

Chalcogen double bonded directly to the hetero ring

74
549/478

Having -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding

120
549/474

Cyano bonded directly to the hetero ring

99
549/504

Halogen attached directly or indirectly to the hetero ring by nonionic bonding

103
549/483

Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring

192
549/488

Additional chalcogen attached indirectly to the hetero ring by nonionic bonding

156
549/487

Nitrogen bonded directly to the -c(=x)- group

246
549/489

Preparation of furfural (i.e., furan-2-aldehyde)

46
549/490

Purification or recovery of furfural

21
549/484

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

176
549/485

Plural -c(=x)x- groups bonded directly to the hetero ring

34
549/486

The carbon of the -c(=x)x- group is bonded directly at the 3-position of the hetero ring

65
549/491

Nitrogen attached indirectly to the hetero ring by nonionic bonding

354
549/496

Having -c(=x)-, wherein x is chalcogen, attached indirectly to the hetero ring by nonionic bonding

339
549/492

Nitrogen and the hetero ring are single bonded directly to the same acyclic saturated hydrocarbon group

123
549/495

Chalcogen attached indirectly to the hetero ring by acyclic nonionic bonding

121
549/494

Having -c(=x)-, wherein x is chalcogen, attached indirectly to the hetero ring by nonionic bonding

129
549/493

The nitrogen is bonded directly to a -c(=x)- group, wherein x is chalcogen

127
549/480

Nitrogen bonded directly to the hetero ring

238
549/481

Nitro bonded directly to the hetero ring

54
549/482

The hetero ring and an additional nitrogen are bonded directly to the same carbon

24
549/507

One double bond between ring members of the hetero ring

64
549/505

Plural double bonds between ring members of the hetero ring

142
549/506

Hydrocarbyl substituted

72
549/472

Plural hetero rings

274
549/473

Acyclic -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding

270
549/430

Plural ring oxygens in the hetero ring

189
549/453

Chalcogen attached indirectly to the hetero ring by nonionic bonding

249
549/454

The chalcogen, x, is in a -c(=x)- group

237
549/455

Halogen attached directly or indirectly to the hetero ring by nonionic bonding

121
549/450

Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring

91
549/451

Nitrogen attached indirectly to the hetero ring by nonionic bonding

192
549/452

The nitrogen is bonded directly to a -c(=x)- group, wherein x is chalcogen

141
549/449

Nitrogen or chalcogen bonded directly to the hetero ring

100
549/448

Plural hetero rings

179
549/432

Polycyclo ring system having the hetero ring as one of the cyclos

73
549/434

Bicyclo ring system having the hetero ring as one of the cyclos

189
549/437

Acyclic chalcogen bonded directly to the bicyclo ring system

155
549/438

Having -c(=x)-, wherein x is chalcogen, attached indirectly to the bicyclo ring system by nonionic bonding

165
549/445

Chalcogen attached indirectly to the ring system by nonionic bonding

118
549/446

The chalcogen, x, is in a -c(=x)- group

66
549/447

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

135
549/436

Having -c(=x)-, wherein x is chalcogen, bonded directly to the bicyclo ring system

168
549/440

Nitrogen attached indirectly to the bicyclo ring system by nonionic bonding

72
549/443

Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding

103
549/444

The chalcogen, x, is in a -c(=x)- group

85
549/442

The nitrogen is attached directly to carbon by a double or triple bond

108
549/441

The nitrogen is bonded directly to a -c(=x)- group, wherein x is chalcogen

186
549/439

Nitrogen bonded directly to the bicyclo ring system

160
549/435

Plural hetero rings

221
549/433

Tricyclo ring system having the hetero ring as one of the cyclos

140
549/431

Three or more ring oxygens in the hetero ring (e.g., ozonides, etc.)

10
549/456

Polycyclo ring system having the hetero ring as one of the cyclos

83
549/462

Bicyclo ring system having the hetero ring as one of the cyclos

347
549/466

Acyclic chalcogen bonded directly to the hetero ring

210
549/469

Benzene ring bonded directly to the hetero ring

268
549/470

Chalcogen of -c(=x)x-, wherein the x's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system

136
549/468

Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring

207
549/467

Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding

487
549/471

Plural double bonds between ring members of the hetero ring

220
549/464

Plural ring oxygens in the bicyclo ring system

143
549/465

The bicyclo ring system consists of two five-membered cyclos

283
549/463

The two cyclos share at least three ring members (i.e., bridged)

169
549/457

Tetracyclo ring system having the hetero ring as one of the cyclos

74
549/458

Tricyclo ring system having the hetero ring as one of the cyclos

208
549/460

Dibenzofurans (including hydrogenated)

136
549/461

Having -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the tricyclo ring system by nonionic bonding

98
549/459

Two of the cyclos share at least three ring members (i.e., bridged)

62
549/509

Preparing from a hydroxy containing compound

71
549/508

Preparing from compound containing -coo- group

95
549/510

The hetero ring is four-membered

806
549/511

Sulfur or halogen attached directly or indirectly to the hetero ring by nonionic bonding

545
549/356

The hetero ring is six-membered

232
549/427

Chalcogen attached indirectly to the hetero ring by nonionic bonding

179
549/416

Chalcogen bonded directly to the hetero ring

291
549/421

Alicyclic ring bonded directly to the chalcogen

138
549/422

Five-membered carbocyclic ring having the hetero ring as part of one substituent and -coo- as part of another substituent (e.g., prostaglandin intermediates, etc.)

95
549/420

Having -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the hetero ring by acyclic nonionic bonding

201
549/423

Hydroxy or halogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (h of -oh may be replaced by a substituted or unsubstituted ammonium ion or a group ia or iia light metal)

112
549/419

Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding

227
549/417

Plural chalcogens bonded directly to the hetero ring

315
549/418

Hydroxy bonded directly at the 3-position and oxygen double bonded directly at the 4-position of the hetero ring (h of -oh may be replaced by a substituted or unsubstituted ammonium ion or a group ia or iia light metal)

63
549/428

Halogen attached directly or indirectly to the hetero ring by nonionic bonding

65
549/425

Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring

113
549/426

Nitrogen attached indirectly to the hetero ring by nonionic bonding

219
549/424

Nitrogen bonded directly to the hetero ring

117
549/414

Plural hetero rings

291
549/415

Plural six-membered hetero rings

299
549/357

Plural ring oxygens in the hetero ring (e.g., 1,2-dioxin, etc.)

68
549/358

Polycyclo ring system having the hetero ring as one of the cyclos

76
549/362

Bicyclo ring system having the hetero ring as one of the cyclos

323
549/366

Nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding

169
549/365

The ring oxygens are in the 1,2- or 1,3-positions of the hetero ring

114
549/363

The two cyclos share at least three ring members (i.e., bridged)

79
549/364

Three or more ring oxygens in the bicyclo ring system

62
549/359

Tricyclo ring system having the hetero ring as one of the cyclos

95
549/361

Three or more ring oxygens in the tricyclo ring system (e.g., actinospectacin, etc.)

61
549/360

Two of the cyclos share at least three ring members (i.e., bridged)

32
549/369

The ring oxygens are in the 1,3-positions of the hetero ring (e.g., 1,3 dioxane, etc.)

281
549/374

Chalcogen attached indirectly to the hetero ring by nonionic bonding

192
549/375

The chalcogen, x, is in a -c(=x)- group

177
549/372

Chalcogen or -c(=x), wherein x is chalcogen, bonded directly to the hetero ring

135
549/373

Nitrogen attached indirectly to the hetero ring by nonionic bonding

192
549/371

Nitrogen bonded directly to the hetero ring

39
549/370

Plural hetero rings

142
549/376

Preparing by reacting an aldehyde with a compound containing acyclic carbon to carbon unsaturation

19
549/377

The ring oxygens are in the 1,4-positions of the hetero ring (e.g., 1,4 dioxane, etc.)

71
549/378

Chalcogen attached directly or indirectly to the hetero ring by nonionic bonding

128
549/379

Plural chalcogens bonded directly to the hetero ring

39
549/380

Halogen attached directly or indirectly to the hetero ring by nonionic bonding

36
549/367

Three or more ring oxygens in the hetero ring

18
549/368

Trioxane per se

63
549/381

Polycyclo ring system having the hetero ring as one of the cyclos

81
549/396

Bicyclo ring system having the hetero ring as one of the cyclos

220
549/398

The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring

201
549/406

Carbocyclic ring bonded directly to the hetero ring of the bicyclo ring system (e.g., flavanes, etc.)

179
549/408

Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.)

241
549/409

Chalcogen double bonded or plural chalcogens bonded directly to the carbocyclic ring (e.g., coenzyme q, etc.)

34
549/410

Chalcogen of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherol esters, etc.)

86
549/411

Preparing from 1,4-di-oxygen substituted carbocyclic ring (e.g., of p benzoquinones, p-hydroquinones, etc.)

45
549/412

Processes for chemical modification of substituents on the carbocyclic ring of the bicyclo ring system (e.g., alkylation of tocopherols, etc.)

33
549/413

Purification or recovery

56
549/399

Chalcogen bonded directly to the hetero ring

317
549/401

Chalcogen bonded directly to the ring carbon para to the ring oxygen (e.g., chromones, etc.)

229
549/403

Benzene ring bonded directly to the hetero ring (e.g., flavones, etc.)

246
549/402

Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring

126
549/400

Plural chalcogens bonded directly to the hetero ring

124
549/407

Chalcogen or nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding

267
549/405

Having -c(=x)-, wherein x is chalcogen, bonded directly to the bicyclo ring system

166
549/404

Nitrogen bonded directly to the bicyclo ring system

274
549/397

The two cyclos share at least three ring members (i.e., bridged)

88
549/382

Pentacyclo ring system having the hetero ring as one of the cyclos

106
549/383

Tetracyclo ring system having the hetero ring as one of the cyclos

91
549/384

The tetracyclo ring system consists of four six-membered cyclos

90
549/385

Tricyclo ring system having the hetero ring as one of the cyclos

92
549/395

Acyclic chalcogen bonded directly to the hetero ring

17
549/387

Plural ring oxygens in the tricyclo ring system

134
549/388

The tricyclo ring system consists of three six-membered cyclos (e.g., xanthene, etc.)

150
549/392

Chalcogen bonded directly to the hetero ring

63
549/393

Having -c(=x)-, wherein x is chalcogen, bonded directly to the tricyclo ring system

49
549/390

Dibenzo(b,d)pyrans (including hydrogenated)

109
549/391

Plural chalcogens bonded directly to the tricyclo ring system

77
549/389

Naphtho-pyrans (including hydrogenated)

220
549/394

Nitrogen bonded directly to the tricyclo ring system

56
549/386

Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)

69
549/512

The hetero ring is three-membered consisting of one oxygen and two carbons

187
549/554

Chalcogen attached indirectly to the hetero ring by nonionic bonding

168
549/555

Chalcogen and the hetero ring bonded directly to the same carbon (e.g., glycidyl ethers, etc.)

133
549/560

Carbocyclic ring containing

164
549/558

Halogen attached indirectly to the hetero ring by nonionic bonding

25
549/559

Carbocyclic ring containing

81
549/556

Sulfur or -c(=x)-, wherein x is chalcogen, attached indirectly to the hetero ring by nonionic bonding

112
549/557

The chalcogen, x, is part of a -c(=x)x- group or a -x-x- group, wherein the x's are the same or diverse chalcogens (e.g., -coo-hch-oxirane, etc.)

80
549/561

The chalcogen, x, is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

95
549/562

Additional -c(=x)- or other sulfur attached indirectly to the hetero ring

53
549/550

Cyano, nitrogen, or halogen bonded directly to the hetero ring

50
549/563

Halogen attached indirectly to the hetero ring by nonionic bonding

88
549/548

Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring

82
549/549

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

90
549/551

Nitrogen attached indirectly to the hetero ring by nonionic bonding

183
549/552

Cyano or nitrogen and the hetero ring bonded directly to the same carbon

91
549/553

The nitrogen is bonded directly to a -c(=x)- group, wherein x is chalcogen

89
549/543

Polycyclo ring system having the hetero ring as one of the cyclos

36
549/546

Bicyclo ring system having the hetero ring as one of the cyclos

159
549/547

Plural bicyclo ring systems each having a hetero ring as one of the cyclos

34
549/544

Tetracyclo ring system having the hetero ring as one of the cyclos

30
549/545

Tricyclo ring system having the hetero ring as one of the cyclos

73
549/513

Processes

139
549/514

Epihalohydrin, glycerol monohalohydrin or glycerol dihalohydrin reactant

62
549/515

Glycidyl ester formed by bonding the oxy of a -coo- group directly to an acyclic carbon which is bonded directly to an oxirane ring

29
549/516

Glycidyl ether formed by bonding oxygen directly to an acyclic carbon which is bonded directly to an oxirane ring

39
549/517

Phenolic ether formed

95
549/539

Ether or -coo- group formed

48
549/540

Isomerization, halogenation, hydrogenation, or dehydrohalogenation to form compound

47
549/518

Oxirane ring formed

125
549/520

By dehydrohalogenation of a halohydrin or by reacting a hypohalite or hypohalous acid with an ethylenically unsaturated compound at the site of unsaturation

48
549/521

Oxirane ring and chalcogen, cyano, nitrogen, or halogen are bonded directly to the same carbon (e.g., glycidyl ester formed, etc.)

55
549/522

Oxirane ring is unsubstituted or hydrocarbyl substituted only

35
549/519

Carbonyl of aldehyde or ketone reacted to form oxirane ring

68
549/523

Epoxidation at site of ethylenic unsaturation

196
549/524

Liquid phase epoxidation

81
549/532

Air or molecular oxygen utilized

84
549/533

Heavy metal containing catalyst utilized

154
549/531

Hydrogen peroxide utilized

331
549/529

Organic hydroperoxide reactant

211
549/530

Boron containing catalyst utilized

29
549/525

Organic peracid utilized

148
549/528

Epoxidizing unsaturated fat or fatty oil, or unsaturated derivative thereof

12
549/526

In situ formation of the organic peracid from carboxylic acid and hydrogen peroxide

28
549/527

Epoxidizing unsaturated fat or fatty oil, or unsaturated derivative thereof

14
549/534

Silver containing catalyst utilized

217
549/536

Additional heavy metal containing material utilized (e.g., promoter which contains heavy metal utilized, etc.)

151
549/535

Fluidized catalyst

16
549/537

Group iia light metal containing material utilized

59
549/538

Purification or recovery

46
549/541

Purification or recovery

182
549/542

By adsorption or by chemical reaction with impurity

68
549/201

With preservative or stabilizer

19
549/205

Compound in which the hetero ring is five-membered with preservative or stabilizer

10
549/203

Cyclic anhydride containing compound with preservative or stabilizer

17
549/204

Lactone containing compound with preservative or stabilizer

5
549/202

Oxirane containing compound with preservative or stabilizer

17
549/223

Xanthene ring system having a benzene ring bonded directly thereto para to the xanthene ring oxygen, wherein the carbon of a -coo- group is bonded directly to the benzene ring ortho to its position of attachment to the xanthene ring system, and spirolactone derivatives thereof (e.g., fluoresceins, chlorofluorans, etc.)

148
549/225

Nitrogen bonded directly to the xanthene ring system (e.g., rhodols, aminofluorans, etc.)

59
549/226

Plural nitrogens bonded directly to the xanthene ring system (e.g., 2,6 diaminofluorans, etc.)

82
549/227

Rhodamines

101
549/224

The xanthene ring system is three cyclos of a polycyclo ring system having at least four rings (e.g., benz(c)fluorans, etc.)

72
549/1

Sulfur containing hetero ring (e.g., thiiranes, etc.)

92
549/4

Boron or silicon containing

212
549/3

Heavy metal or aluminum containing

214
549/5

Phosphorus attached directly or indirectly to the hetero ring by nonionic bonding

95
549/6

The hetero ring is five-membered

229
549/8

Four chalcogens bonded directly to the same phosphorus

24
549/7

Plural ring hetero atoms in the hetero ring

32
549/9

The hetero ring has at least seven members

148
549/10

Plural ring hetero atoms in the hetero ring

85
549/11

Plural ring sulfurs in the hetero ring

105
549/12

Polycyclo ring system having at least three cyclos and having the hetero ring as one of the cyclos

123
549/29

The hetero ring is five-membered

292
549/59

Additional hetero ring containing

560
549/60

Ring oxygen in the additional hetero ring

802
549/78

Chalcogen attached indirectly to the hetero ring by nonionic bonding

338
549/79

The chalcogen, x, is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

381
549/62

Chalcogen bonded directly to ring carbon of the hetero ring

227
549/67

Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding

27
549/66

Chalcogen attached indirectly to the hetero ring by nonionic bonding

216
549/64

Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring

163
549/63

Nitrogen attached directly to the hetero ring by nonionic bonding

157
549/65

Nitrogen attached indirectly to the hetero ring by nonionic bonding

401
549/61

Cyano bonded directly to the hetero ring

153
549/81

Halogen attached directly to the hetero ring by nonionic bonding

43
549/82

Three or more halogens attached directly to the hetero ring by nonionic bonding

9
549/70

Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring

209
549/73

Halogen attached directly or indirectly to the hetero ring by nonionic bonding

69
549/72

Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding

390
549/71

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

257
549/68

Nitrogen attached directly to the hetero ring by nonionic bonding

319
549/69

Having -c(=x)-, wherein x is chalcogen, bonded directly to the nitrogen

180
549/74

Nitrogen attached indirectly to the hetero ring by nonionic bonding

302
549/75

Chalcogen attached indirectly to the hetero ring by nonionic bonding

342
549/76

The chalcogen, x, is in a -c(=x)- group

309
549/77

Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containing

461
549/87

Plural chalcogens double bonded directly to ring sulfur of the hetero ring

29
549/30

Plural ring hetero atoms in the hetero ring

160
549/40

Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding

42
549/31

Polycyclo ring system having the hetero ring as one of the cyclos

93
549/32

Bicyclo ring system having the hetero ring as one of the cyclos

114
549/33

Chalcogen attached directly to the hetero ring by nonionic bonding

74
549/34

Three or more ring hetero atoms in the hetero ring

38
549/35

Two ring sulfurs in the hetero ring

97
549/39

Chalcogen attached indirectly to the hetero ring by nonionic bonding

220
549/36

Chalcogen bonded directly to ring carbon of the hetero ring

45
549/37

Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding

49
549/38

Nitrogen attached directly to the hetero ring by nonionic bonding

55
549/41

Polycyclo ring system having the hetero ring as one of the cyclos

92
549/49

Bicyclo ring system having the hetero ring as one of the cyclos

253
549/51

Chalcogen attached directly to the bicyclo ring system by nonionic bonding

258
549/52

Chalcogen attached directly to the hetero ring by nonionic bonding

130
549/53

Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding

99
549/56

Halogen attached directly or indirectly to the bicyclo ring system by nonionic bonding

54
549/55

Nitrogen attached directly or indirectly to the bicyclo ring system by nonionic bonding

134
549/54

Plural chalcogens bonded directly to the bicyclo ring system

82
549/58

Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding

428
549/57

Nitrogen or a -c(=x)- group, wherein x is chalcogen, attached directly to the bicyclo ring system by nonionic bonding

313
549/50

Plural ring hetero atoms in the bicyclo ring system

139
549/42

Tetracyclo ring system having the hetero ring as one of the cyclos

64
549/43

Tricyclo ring system having the hetero ring as one of the cyclos

187
549/44

Chalcogen attached directly to the tricyclo ring system by nonionic bonding

81
549/45

Chalcogen attached directly to the hetero ring by nonionic bonding

39
549/46

Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding

45
549/47

Halogen attached directly to the tricyclo ring system by nonionic bonding

18
549/48

Nitrogen attached directly or indirectly to the tricyclo ring system by nonionic bonding

73
549/83

The compound consists of the ring sulfur, carbon, and hydrogen

71
549/86

Process of alkylating the hetero ring

9
549/84

Process of forming the hetero ring from acyclic reactants only

6
549/85

Metal containing catalyst utilized

5
549/80

Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containing

123
549/88

The hetero ring is four-membered

59
549/89

Plural ring hetero atoms in the hetero ring

33
549/13

The hetero ring is six-membered

324
549/28

Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding

255
549/14

Plural ring hetero atoms in the hetero ring

156
549/15

Polycyclo ring system having the hetero ring as one of the cyclos

112
549/16

Tricyclo ring system having the hetero ring as one of the cyclos

73
549/17

Plural ring sulfurs in the hetero ring

48
549/18

Three or more ring hetero atoms in the hetero ring

20
549/19

Plural ring sulfurs in the hetero ring

33
549/20

Two ring sulfurs in the hetero ring

75
549/21

Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding

99
549/22

Chalcogen or nitrogen attached indirectly to the hetero ring by nonionic bonding

146
549/23

Polycyclo ring system having the hetero ring as one of the cyclos

387
549/24

The polycyclo ring system has at least four cyclos

52
549/25

Chalcogen attached directly to the hetero ring by nonionic bonding

31
549/26

Tricyclo ring system having the hetero ring as one of the cyclos

109
549/27

Chalcogen attached directly to the hetero ring by nonionic bonding

122
549/90

The hetero ring is three-membered and has chalcogen or nitrogen attached directly or indirectly thereto by nonionic bonding

59
549/2

With preservative or stabilizer

12
 
 
  Recently Added Patents
Phase lock loop with injection pulse control
N-phenyl-(homo)piperazinyl-benzenesulfonyl or benzenesulfonamide compounds suitable for treating disorders that respond to the modulation of the serotonin 5-HT.sub.6 receptor
Storing a location within metadata of visual media
Systems and methods for detailed error reporting in data storage systems
Socket type MEMS device with stand-off portion
Systems and methods for detecting and rejecting defective absorbent articles from a converting line
Semiconductor device, method of manufacturing semiconductor device, and electronic apparatus
  Randomly Featured Patents
Solid state light source and projection display apparatus having a fluorescence emission plate
Method of and apparatus for control of saftey valves
Spinal orthosis
Military vehicle window cover
Glass door for clothes drying machine
Bicolor image forming apparatus for forming a bicolor image on a photoconductive element
Grandiflora rose plant named `WEKsproulses`
Medication sprayer
Graded semiconductor layers for reducing threshold voltage for a nitride-based laser diode structure
Foam welding and profile manufacturing system