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Class Information
Number: 544
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)

 
544/1

Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.)

117
544/63

Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc)

294
544/88

1,3-oxazines

148
544/96

Additional hetero ring containing

327
544/97

Chalcogen bonded directly to the oxazine ring

129
544/89

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

89
544/90

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

149
544/92

Chalcogen bonded directly to the oxazine ring

236
544/93

Plural oxygens bonded directly to the oxazine ring

30
544/94

Plural oxygens bonded directly to the oxazine ring 3,1-benzoxazine-2,4- diones (including hydrogenated)

74
544/91

Three or more ring hetero atoms in the bicyclo ring system

99
544/95

Three or more ring hetero atoms in the polycyclo ring system

64
544/98

1,4-oxazines

121
544/106

Morpholines (i.e., fully hydrogenated 1,4-oxazines

596
544/107

Addition salts of morpholine which is unsubstituted or hydrocarbyl substituted only

151
544/109

Hetero ring in ionically bonded moiety

81
544/108

N, n-dihydrocarbyl morpholinium

30
544/110

Phosphorus or sulfur in ionically bonded moiety

71
544/111

Additional nitrogen containing hetero ring (e.g., thiazetidine, etc.)

424
544/114

Diazine ring

209
544/122

1,3-diazine ring

651
544/123

Oxygen bonded directly to the diazine ring

310
544/120

1,4-diazine ring

159
544/121

Piperazine ring

634
544/115

The diazine ring is one of the cyclos in a polycyclo ring system

244
544/116

The diazine ring is one of the cyclos in a bicyclo ring system

277
544/119

Acyclic nitrogen containing

170
544/117

Three or more ring hetero atoms in the bicyclo ring system

316
544/118

Four or more ring nitrogens in the bicyclo ring system

295
544/141

Five-membered hetero ring consisting of one nitrogen and four carbons

439
544/142

The five-membered hetero ring is one of the cyclos in a polycyclo ring system

137
544/143

The five-membered hetero ring is one of the cyclos in a bicyclo ring system

274
544/144

Chalcogen bonded directly to the bicyclo ring system

241
544/132

Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen

311
544/140

1,2-diazole ring (including hydrogenated)

329
544/139

1,3-diazole ring (including hydrogenated)

518
544/137

The five-membered hetero ring has at least oxygen and nitrogen as ring hetero atoms

341
544/138

Oxadiazole ring (including hydrogenated)

107
544/133

The five-membered hetero ring has at least sulfur and nitrogen as ring hetero atoms

369
544/135

Benzothiazoles (including hydrogenated)

186
544/136

Polysulfide containing chain between morpholine ring and benzothiazole ring system

9
544/134

Plural sulfurs or nitrogens in the five-membered hetero ring (e.g., thiatriazole, etc.)

144
544/124

Six-membered ring consisting of one nitrogen and five carbons (e.g., pyridine, etc.)

666
544/131

Double bonded divalent chalcogen containing

519
544/129

Piperidine ring

386
544/130

Double bonded divalent chalcogen containing

393
544/125

The additional six-membered hetero ring is one of the cyclos in a polycyclo ring system

184
544/127

The additional six-membered hetero ring is one of the cyclos in a bicyclo ring system

469
544/128

Quinoline or isoquinoline (including hydrogenated)

496
544/126

The additional six-membered hetero ring is one of the cyclos in a tricyclo ring system

344
544/112

Triazine ring

109
544/113

1,3,5-triazine ring

282
544/147

Additional oxygen containing hetero ring

127
544/148

Plural ring hetero atoms in the additional hetero ring

186
544/152

The additional hetero ring is five-membered

151
544/153

The five-membered hetero ring is one of the cyclos in a polycyclo ring system

208
544/149

The additional hetero ring is six-membered

92
544/150

The additional six-membered hetero ring is one of the cyclos in a polycyclo ring system

130
544/151

The additional six-membered hetero ring is one of the cyclos in a bicyclo ring system

155
544/178

N-hydrocarbyl morpholines

126
544/162

Nitrogen attached directed or indirectly to morpholine ring by nonionic bonding

370
544/165

Carbocyclic ring bonded directly to the nitrogen

285
544/166

Morpholine ring bonded directly to the carbocyclic ring

91
544/167

Nitro bonded directly to the carbocyclic ring

80
544/163

Cyano containing

213
544/164

Morpholine ring bonded directly to the nitrogen

100
544/168

Oxygen double bonded and acyclic nitrogen bonded directly to the same carbon

274
544/169

A ring bonded directly to the carbon

106
544/170

Oxygen attched directly or indirectly to morpholine ring by nonionic bonding

156
544/177

Ether containing

81
544/173

The oxygen is bonded directly to a ring

176
544/174

Ether containing

200
544/171

The oxygen is in a -coo- group

226
544/172

Carbonyl of -coo- group bonded directly to a ring

115
544/175

The oxygen is in a carbonyl group

99
544/176

The carbonyl is bonded directly to nitrogen of morpholine ring

150
544/157

Phosphorus attached directly or indirectly to morpholine ring by nonionic bonding

142
544/154

Polycyclo-carbocyclic ring system having at least three cyclos

93
544/155

Tricyclo having three six-membered carbocyclic rings

42
544/156

Anthrone or anthraquinone

17
544/158

Sulfur attached directly or indirectly to morpholine ring by nonionic bonding

238
544/161

Double bonded divalent sulfur

50
544/159

Nitrogen attached directly or indirectly to morpholine ring by nonionic bonding

373
544/160

Double bonded divalent sulfur

156
544/145

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

191
544/146

Thiophene ring (including hydrogenated)

287
544/99

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

193
544/100

Anthrone or anthraquinone in the polycyclo ring system

17
544/105

Bicyclo ring system having the oxazine ring as one of the cyclos (e.g., benzoxazines, etc.)

831
544/101

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

289
544/102

Phenoxazines (including hydrogenated)

155
544/103

Plural nitrogens bonded directly to the phenoxazine

56
544/104

Sulfur containing

45
544/69

Boron or silicon containing

184
544/64

Heavy metal or aluminum containing

164
544/66

Plural nitrogens in the six-membered hetero ring

148
544/67

1,3,5-oxadiazines

118
544/68

Oxygen bonded directly to the six-membered hetero ring

72
544/72

Plural oxazine rings

44
544/78

Plural morpholine rings (i.e., plural fully hydrogenated 1, 4-oxazine rings)

58
544/82

Additional nitrogen containing hetero ring (e.g., thiazole, etc.)

236
544/83

Triazine

77
544/86

Nitrogen attached directly or indirectly to a morpholine ring by nonionic bonding

98
544/87

Oxygen attached directly or indirectly to a morpholine ring by nonionic bonding

89
544/84

Phosphorus attached directly or indirectly to a morpholine ring by nonionic bonding

31
544/79

Polycyclo ring system

83
544/80

Ring nitrogen in the polycyclo ring system

128
544/81

Four or more ring nitrogens in the polycyclo ring system

39
544/85

Sulfur attached directly or indirectly to a morpholine ring by nonionic bonding

91
544/73

Polycyclo ring system having oxazine ring as at least one of the cyclos

120
544/74

Plural 1,4-oxazine rings are cyclos in the polycyclo ring system

71
544/75

Pentacyclo ring system having the oxazine rings as cyclos

82
544/76

Plural nitrogens bonded directly to the pentacyclo ring system

144
544/77

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

60
544/65

Plural oxygens in the six-membered hetero ring

86
544/70

Spiro

216
544/71

Spiro oxazine

198
544/2

Six-membered hetero ring consists of oxygen, sulfur, nitrogen and carbon (e.g., oxathiazines, etc.)

131
544/3

Six-membered hetero ring consists of sulfur, nitrogen, and carbon

215
544/53

1,3-thiazines

110
544/55

Additional hetero ring containing

190
544/54

Double bonded divalent chalcogen containing

252
544/56

1,4-thiazines

90
544/58.1

Double bonded divalent chalcogen containing

150
544/58.5

Additional hetero ring containing

172
544/58.7

Ring chalcogen in the additional hetero ring

162
544/58.6

Ring nitrogen in the additional hetero ring, which is six-membered

350
544/58.2

Divalent chalcogen double bonded directly to the thiazine ring

351
544/58.4

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

263
544/57

Phosphorus containing

74
544/59

Thiomorpholines (i.e., fully hydrogenated 1,4-thiazines)

346
544/60

Additional hetero ring containing

879
544/61

The additional hetero ring is one of the cyclos in a bicyclo ring system

267
544/62

Benzo is the other cyclo

307
544/4

Heavy metal or aluminum containing

61
544/7

Plural nitrogens in the six-membered hetero ring (e.g., thiatriazines, etc.)

56
544/8

Thiadiazines

209
544/9

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

44
544/10

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

59
544/11

Benzothiadiazines

58
544/12

1,2,4-benzothiadiazines

92
544/13

Sulfamyl or substituted sulfamyl containing

44
544/5

Plural sulfurs in the six-membered hetero ring (e.g., dithiazines, etc.)

68
544/14

Polycyclo ring system having the six-membered hetero ring as one of the cyclos

93
544/47

Bicyclo ring system having the six-membered hetero ring as one of the cyclos

78
544/49

Benzothiazines (including hydrogenated)

155
544/50

1,3- or 3,1-benzothiazines

70
544/51

1,4-benzothiazines

99
544/52

Double bonded divalent chalcogen containing

167
544/48

Three or more ring hetero atoms in the bicyclo ring system

196
544/31

Phenothiazine as three cyclos of polycyclo ring system having at least four cyclos

57
544/32

Tricyclo ring system having the six-membered hetero ring as one of the cyclos

126
544/33

1,2- or 2,1-thiazine ring in the tricyclo ring system (e.g., hydrogenated 1,2-benzothiazine in tricyclo ring system, etc.)

48
544/35

Phenothiazines (including hydrogenated)

130
544/38

Carbon bonded directly to ring nitrogen of phenothiazine ring system

74
544/39

Divalent chalcogen double bonded directly to the carbon

30
544/40

Additional chalcogen bonded directly to the carbon

7
544/41

Nitrogen containing substituent bonded to nitrogen of phenothiazine ring system

38
544/42

Nitrogen containing hetero ring in the nitrogen containing substituent (e.g., oxazole, etc.)

41
544/46

Chalcogen in the nitrogen containing substituent

34
544/44

Piperazine ring in the nitrogen containing substituent

27
544/45

Chalcogen in the nitrogen containing substituent

11
544/43

Plural hetero rings in the nitrogen containing substituent

26
544/37

Nitrogen bonded directly to phenothiazine ring system

86
544/36

Purification or recovery

16
544/34

Plural ring nitrogens in the tricyclo ring system

73
544/6

Spiro

125
544/179

Tetrazines

170
544/224

The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.)

815
544/238

1,2-diazines which contain an additional hetero ring

1958
544/242

1,3-diazines

963
544/333

Additional hetero ring which is unsaturated

1803
544/335

Chalcogen attached indirectly to the diazine ring by nonionic bonding

1155
544/298

Chalcogen bonded directly to diazine ring carbon

814
544/299

At 2-, 4-, and 6-positions (e.g., barbituric acid, etc.)

157
544/306

Acyclic ethylenic or acetylenic unsaturation containing

37
544/302

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

190
544/300

Additional hetero ring which is unsaturated

323
544/304

Alicyclic ring attached directly or indirectly to the diazine ring by nonionic bonding

42
544/303

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

103
544/301

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

249
544/305

Phenyl bonded directly at 5-position

36
544/307

Plural alkyl groups bonded directly at 5-position

6
544/308

Plural diverse alkyl groups bonded directly at 5-position

6
544/309

At 2-position and at 4- or 6-position

341
544/314

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

378
544/310

Additional hetero ring which is unsaturated

607
544/313

Halogen attached directly to the diazine ring by nonionic bonding

273
544/311

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

467
544/312

5-position is unsubstituted or alkyl substituted only

389
544/315

At 2-position

421
544/318

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

524
544/316

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

883
544/317

The nitrogen is bonded directly at 4- or 6-position

590
544/319

At 4- or 6-position

961
544/320

Nitrogen attached directly at 2-position by nonionic bonding

639
544/321

Carbocyclic ring containing

775
544/334

Halogen attached directly to the diazine ring by nonionic bonding

351
544/297

Nitrogen attached directly at 2-position by nonionic bonding and sulfur bonded directly to the nitrogen

201
544/322

Nitrogen attached directly to diazine ring by nonionic bonding

399
544/323

At 2-position and at 4- or 6-position

597
544/324

Additional hetero ring which is unsaturated

555
544/325

Substituent on 5-position contains carbocyclic ring

162
544/330

At 2-position

469
544/331

Additional hetero ring which is unsaturated

1029
544/332

Chalcogen attached indirectly to the diazine ring by nonionic bonding

760
544/326

At 4- or 6-position

356
544/328

Additional hetero ring which is unsaturated

434
544/329

Carbonyl attached directly or indirectly to the diazine ring by nonionic bonding

267
544/327

Sulfur attached indirectly to the diazine ring by nonionic bonding (e.g., thiamines, etc.)

291
544/243

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

456
544/244

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

399
544/295

Plural diazine rings

1405
544/296

Plural 1,3-diazine rings

676
544/245

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

174
544/253

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

420
544/254

At least five ring hetero atoms in the bicyclo ring system

162
544/255

Four ring hetero atoms in the bicyclo ring system

180
544/256

Four ring nitrogens in the bicyclo ring system

236
544/257

Pteridines (including hydrogenated)

137
544/258

Nitrogen bonded directly to the pteridine ring system

200
544/259

Plural nitrogens bonded directly to the pteridine ring system

36
544/260

At 2- and 4-positions

104
544/261

Pteroyl per se or having -c(=x)-, wherein x is chalcogen, bonded directly to acyclic nitrogen of otherwise unsubstituted pteroyl

41
544/262

The other cyclo in the bicyclo ring system is five-membered

372
544/264

Purines (including hydrogenated)

404
544/265

Chalcogen bonded directly to ring carbon of the purine ring system

325
544/267

At 2- and 6-positions (e.g., theophyllines, etc.)

276
544/269

Additional hetero ring which is unsaturated and is not one of the cyclos of a purine ring system

144
544/270

Plural ring nitrogens in the additional hetero ring

101
544/268

Additional polycyclo ring system, which is not another purine, having a hetero ring as one of the cyclos

139
544/274

Caffeine per se, theobromine per se, or salt thereof

46
544/275

Recovery of caffeine per se, theobromine per se, or salt thereof, from natural or waste material

42
544/271

Having -c(=x)-, wherein x is chalcogen attached directly or indirectly to the purine ring system by nonionic bonding or halogen bonded directly at 8-position (e.g., theophylline acetate, 8-chlorotheophylline, etc.)

160
544/272

Nitrogen attached directly or indirectly to the purine ring system by nonionc bonding

176
544/273

Positions other than 2- and 6- are unsubstituted or hydrocarbyl or hydro- carboyl substituted only (e.g., theophylline, etc.)

99
544/266

At 2-,6-, and 8-positions

56
544/276

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

515
544/277

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

758
544/263

Ring nitrogen is shared by two cyclos

239
544/282

Ring nitrogen is shared by two cyclos

229
544/283

The other cyclo in the bicyclo ring system is a benzene ring (e.g., quinazoline, etc.)

462
544/284

Additional nitrogen containing unsaturated hetero ring (e.g., thiazole, etc.)

879
544/285

Chalcogen bonded directly at 2- and 4-positions

251
544/286

Chalcogen bonded directly at 2-position

209
544/287

Chalcogen bonded directly at 4-position

415
544/289

Carbocyclic ring bonded directly at 2-position

83
544/290

Carbocyclic ring bonded directly at 3-position

59
544/288

Sulfur bonded directly at 6-position

56
544/291

Nitrogen bonded directly at 2- and 4-positions

151
544/292

Nitrogen bonded directly at 2-position

129
544/293

Nitrogen bonded directly at 4-position

320
544/278

Three ring hetero atoms in the bicyclo ring system

531
544/279

Three ring nitrogens in the bicyclo ring system

589
544/280

The other cyclo in the bicyclo ring system is five-membered

511
544/281

Ring nitrogen is shared by the two cyclos

395
544/246

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

66
544/248

Ring carbon is shared by three of the cyclos (e.g., anthrapyrimidine, etc.)

28
544/247

Three or more ring hetero atoms in the tetracyclo ring system

168
544/249

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

176
544/252

Ring nitrogen is shared by two of the cyclos

142
544/250

Three or more ring hetero atoms in the tricyclo ring system

503
544/251

Four or more ring nitrogens in the tricyclo ring system

378
544/294

Polycyclo-carbocyclic ring system having at least three cyclos

95
544/336

1,4-diazines

975
544/405

Additional hetero ring which is unsaturated

1197
544/408

Chalcogen bonded directly to diazine ring carbon

357
544/409

Halogen attached directly to the diazine ring by nonionic bonding

165
544/406

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

286
544/407

Nitrogen attached directly to the diazine ring by nonionic bonding

144
544/337

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

282
544/358

Piperazines (i.e., fully hydrogenated 1,4-diazines)

548
544/359

Additional hetero ring containing

448
544/372

Five-membered hetero ring consisting of one nitrogen and four carbons

648
544/373

The five-membered hetero ring is one of the cyclos in a bicyclo ring system

695
544/366

Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen

508
544/371

1,2-diazole ring (including hydrogenated)

373
544/370

1,3-diazole ring (including hydrogenated)

737
544/367

Ring chalcogen in the five-membered hetero ring

512
544/369

1,3-oxazole ring or 1,3-thiazole ring (including hydrogenated)

447
544/368

The five-membered hetero ring is one of the cyclos in a polycyclo ring system

545
544/374

Ring chalcogen in the additional hetero ring

275
544/375

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

186
544/376

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

445
544/377

Plural ring chalcogens in the bicyclo ring system

240
544/378

Plural ring chalcogens in the polycyclo ring system or the piperazine ring bonded directly to the polycyclo ring system

96
544/379

The additional hetero ring is five-membered and unsaturated (e.g., thienyl piperazines, etc.)

337
544/360

Six-membered ring consisting of one nitrogen and five carbons (e.g., pyridine, etc.)

1503
544/364

At least three hetero rings containing

1098
544/365

Having -c(=x)-, wherein x is chalcogen, bonded directly to ring carbon of the additional six-membered hetero ring (e.g., nicotinic acid, etc.)

328
544/361

The additional six-membered hetero ring is one of the cyclos in a polycyclo ring system

556
544/362

The additional six-membered hetero ring is one of the cyclos in a bicyclo ring system

646
544/363

Quinoline or isoquinoline (including hydrogenated)

937
544/403

Carbocyclic ring containing

163
544/383

Chalcogen attached directly to piperazine ring nitrogen by nonionic bonding

284
544/398

Chalcogen attached indirectly to the piperazine ring by nonionic bonding

355
544/401

The chalcogen is single bonded to both acyclic carbon and hydrogen

221
544/399

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

333
544/400

Acyclic nitrogen bonded directly to the -c(=x)- group

331
544/384

Chalcogen bonded directly to piperazine ring carbon

178
544/385

Plural chalcogens bonded directly to piperazine ring carbons

120
544/386

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

285
544/391

Carbocyclic ring containing

368
544/390

Halogen or acyclic nitrogen bonded directly to the -c(=x)- group

155
544/387

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

116
544/388

Chalcogen or acyclic nitrogen bonded directly to at least one of the -c(=x) groups

106
544/389

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

152
544/404

N-hydrocarbyl piperazines

85
544/382

Nitrogen attached directly to the piperazine ring by nonionic bonding

119
544/402

Nitrogen attached indirectly to the piperazine ring by nonionic bonding

307
544/392

Phenyl or naphthyl bonded directly to ring nitrogen of the piperazine ring

304
544/393

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

212
544/394

The other ring nitrogen has a substituent which includes chalcogen single bonded to acyclic carbon

203
544/395

The other ring nitrogen is unsubstituted or alkyl substituted only, or salt thereof

144
544/396

Plural carbocyclic rings bonded directly to the same acyclic carbon

153
544/397

Chalcogen bonded directly to the carbon

50
544/380

Polycyclo-carbocyclic ring system having at least three cyclos

160
544/381

Piperazine ring bonded directly to the polycyclo-carbocyclic ring system

32
544/357

Plural diazine rings

895
544/338

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

90
544/349

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

380
544/353

Quinoxalines (including hydrogenated)

615
544/354

Chalcogen bonded directly to diazine ring carbon

412
544/356

Halogen or nitrogen attached directly to diazine ring carbon by nonionic bonding

169
544/355

Having -c(=x)-, wherein x is chalcogen, bonded directly to diazine ring carbon

176
544/350

Three or more ring hetero atoms in the bicyclo ring system

569
544/351

Triethylene diamines

70
544/352

Process of forming, purifying, or recovering triethylene diamine per se, or salt thereof

57
544/339

Heptacyclo ring system having the diazine ring as one of the cyclos (e.g., indanthrones, etc.)

38
544/340

Chalcogen attached indirectly to the heptacyclo ring system by nonionic bonding

16
544/341

Halogen, nitrogen, or carbon attached directly to the heptacyclo ring system by nonionic bonding

17
544/342

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

84
544/343

Tetracyclo ring system having the diazine ring as one of the cyclos (e.g., benzophenazines, etc.)

204
544/344

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

201
544/347

Phenazines (including hydrogenated)

102
544/348

Nitrogen attached directly to the phenazine ring system by nonionic bonding

46
544/345

Three or more ring hetero atoms in the tricyclo ring system

186
544/346

Ring nitrogen is shared by two of the cyclos (e.g., ergot, alkaloids, etc.)

205
544/410

Unsubstituted or hydrocarbyl substituted only, or salt thereof

113
544/229

Boron or silicon containing

429
544/239

Chalcogen bonded directly to ring carbon of a 1,2-diazine ring

515
544/241

Halogen attached directly to the 1,2-diazine ring by nonionic bonding

157
544/240

Plural chalcogens bonded directly

192
544/225

Heavy metal or aluminum containing

382
544/226

Arsenic or zinc containing

70
544/227

Mercury containing

16
544/228

Purine containing (including hydrogenated)

15
544/232

Phosphorus attached directly or indirectly to a 1,2-diazine ring by nonionic bonding

165
544/233

Polycyclo ring system having a 1,2-diazine ring as one of the cyclos

149
544/235

Bicyclo ring system having the 1,2-diazine ring as one of the cyclos

522
544/236

At least three ring nitrogens in the bicyclo ring system

496
544/237

Phthalazines (including hydrogenated)

447
544/234

Tricyclo ring system having the 1,2-diazine ring as one of the cyclos

307
544/230

Spiro

403
544/231

Spiro diazine

226
544/180

Triazines

504
544/187

Anthrone or anthraquinone containing

74
544/188

Polycyclo ring system having the anthrone or anthraquinone and at least one hetero ring as cyclos

29
544/189

Sulfur containing

107
544/182

Asymmetrical (e.g., 1, 2, 4-triazines, etc.)

703
544/183

Polycyclo ring system having the asymmetrical triazine ring as one of the cyclos

279
544/184

Four or more ring hetero atoms in the polycyclo ring system

224
544/215

Chalcogen or halogen containing substituent

279
544/216

Bonded to triazine ring carbon

298
544/219

Chalcogen bonded directly to triazine ring carbon

414
544/220

Divalent chalcogen double bonded directly to triazine ring carbon

92
544/221

To three ring carbons

166
544/222

Nitrogen containing substituent

217
544/223

To two ring carbons

66
544/217

Halogen bonded directly to triazine ring carbon

123
544/218

Chalcogen bonded directly to triazine ring carbon

144
544/192

Cyanuric acid per se or salt thereof

83
544/190

Cyanuric chloride or dichloroisocyanuric acid salt

69
544/191

Processes utilizing cyanogen chloride reactant

17
544/181

Heavy metal or aluminum containing

114
544/185

Hexamethylenetetramines

39
544/186

Processes

29
544/214

Phosphorus containing

82
544/193.1

Stilbene containing

21
544/193.2

Plural triazine rings containing

71
544/194

Substituent nitrogen bonded directly to carbon of the triazine ring

304
544/211

Additional ring containing

432
544/212

Hetero ring

700
544/195

Phosphorus containing

104
544/213

Sulfur containing

114
544/196

Three substituent nitrogens bonded directly to the three carbons of the triazine ring

208
544/197

Additional ring containing

273
544/198

Hetero ring

489
544/199

Halogen or sulfur containing

46
544/200

Melamine per se, or salt thereof

54
544/202

Processes utilizing cyanamide or dicyanamide reactant

4
544/201

Processes utilizing urea or biuret reactant

79
544/203

Purification or recovery

52
544/204

Two substituent nitrogens bonded directly to two carbons of the triazine ring

166
544/208

Additional ring containing

361
544/209

Hetero ring

556
544/205

Guanamines

85
544/206

Additional ring containing

249
544/207

Hetero ring

325
544/210

Sulfur containing

85
544/193

Trimerization process to form the triazine ring

164
 
 
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