| 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.) |
91 |
| 544/63 |
Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc) |
266 |
| 544/88 |
1,3-oxazines |
134 |
| 544/96 |
Additional hetero ring containing |
298 |
| 544/97 |
Chalcogen bonded directly to the oxazine ring |
111 |
| 544/89 |
Polycyclo ring system having the oxazine ring as one of the cyclos |
76 |
| 544/90 |
Bicyclo ring system having the oxazine ring as one of the cyclos |
125 |
| 544/92 |
Chalcogen bonded directly to the oxazine ring |
198 |
| 544/93 |
Plural oxygens bonded directly to the oxazine ring |
26 |
| 544/94 |
Plural oxygens bonded directly to the oxazine ring 3,1-benzoxazine-2,4- diones (including hydrogenated) |
67 |
| 544/91 |
Three or more ring hetero atoms in the bicyclo ring system |
87 |
| 544/95 |
Three or more ring hetero atoms in the polycyclo ring system |
55 |
| 544/98 |
1,4-oxazines |
112 |
| 544/106 |
Morpholines (i.e., fully hydrogenated 1,4-oxazines |
493 |
| 544/107 |
Addition salts of morpholine which is unsubstituted or hydrocarbyl substituted only |
143 |
| 544/109 |
Hetero ring in ionically bonded moiety |
75 |
| 544/108 |
N, n-dihydrocarbyl morpholinium |
29 |
| 544/110 |
Phosphorus or sulfur in ionically bonded moiety |
70 |
| 544/111 |
Additional nitrogen containing hetero ring (e.g., thiazetidine, etc.) |
356 |
| 544/114 |
Diazine ring |
180 |
| 544/122 |
1,3-diazine ring |
460 |
| 544/123 |
Oxygen bonded directly to the diazine ring |
281 |
| 544/120 |
1,4-diazine ring |
128 |
| 544/121 |
Piperazine ring |
533 |
| 544/115 |
The diazine ring is one of the cyclos in a polycyclo ring system |
218 |
| 544/116 |
The diazine ring is one of the cyclos in a bicyclo ring system |
238 |
| 544/119 |
Acyclic nitrogen containing |
144 |
| 544/117 |
Three or more ring hetero atoms in the bicyclo ring system |
232 |
| 544/118 |
Four or more ring nitrogens in the bicyclo ring system |
227 |
| 544/141 |
Five-membered hetero ring consisting of one nitrogen and four carbons |
387 |
| 544/142 |
The five-membered hetero ring is one of the cyclos in a polycyclo ring system |
129 |
| 544/143 |
The five-membered hetero ring is one of the cyclos in a bicyclo ring system |
239 |
| 544/144 |
Chalcogen bonded directly to the bicyclo ring system |
214 |
| 544/132 |
Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen |
280 |
| 544/140 |
1,2-diazole ring (including hydrogenated) |
264 |
| 544/139 |
1,3-diazole ring (including hydrogenated) |
458 |
| 544/137 |
The five-membered hetero ring has at least oxygen and nitrogen as ring hetero atoms |
285 |
| 544/138 |
Oxadiazole ring (including hydrogenated) |
84 |
| 544/133 |
The five-membered hetero ring has at least sulfur and nitrogen as ring hetero atoms |
304 |
| 544/135 |
Benzothiazoles (including hydrogenated) |
167 |
| 544/136 |
Polysulfide containing chain between morpholine ring and benzothiazole ring system |
8 |
| 544/134 |
Plural sulfurs or nitrogens in the five-membered hetero ring (e.g., thiatriazole, etc.) |
131 |
| 544/124 |
Six-membered ring consisting of one nitrogen and five carbons (e.g., pyridine, etc.) |
563 |
| 544/131 |
Double bonded divalent chalcogen containing |
435 |
| 544/129 |
Piperidine ring |
343 |
| 544/130 |
Double bonded divalent chalcogen containing |
361 |
| 544/125 |
The additional six-membered hetero ring is one of the cyclos in a polycyclo ring system |
171 |
| 544/127 |
The additional six-membered hetero ring is one of the cyclos in a bicyclo ring system |
349 |
| 544/128 |
Quinoline or isoquinoline (including hydrogenated) |
411 |
| 544/126 |
The additional six-membered hetero ring is one of the cyclos in a tricyclo ring system |
310 |
| 544/112 |
Triazine ring |
99 |
| 544/113 |
1,3,5-triazine ring |
266 |
| 544/147 |
Additional oxygen containing hetero ring |
115 |
| 544/148 |
Plural ring hetero atoms in the additional hetero ring |
172 |
| 544/152 |
The additional hetero ring is five-membered |
140 |
| 544/153 |
The five-membered hetero ring is one of the cyclos in a polycyclo ring system |
195 |
| 544/149 |
The additional hetero ring is six-membered |
90 |
| 544/150 |
The additional six-membered hetero ring is one of the cyclos in a polycyclo ring system |
113 |
| 544/151 |
The additional six-membered hetero ring is one of the cyclos in a bicyclo ring system |
145 |
| 544/178 |
N-hydrocarbyl morpholines |
115 |
| 544/162 |
Nitrogen attached directed or indirectly to morpholine ring by nonionic bonding |
358 |
| 544/165 |
Carbocyclic ring bonded directly to the nitrogen |
268 |
| 544/166 |
Morpholine ring bonded directly to the carbocyclic ring |
83 |
| 544/167 |
Nitro bonded directly to the carbocyclic ring |
80 |
| 544/163 |
Cyano containing |
207 |
| 544/164 |
Morpholine ring bonded directly to the nitrogen |
96 |
| 544/168 |
Oxygen double bonded and acyclic nitrogen bonded directly to the same carbon |
263 |
| 544/169 |
A ring bonded directly to the carbon |
99 |
| 544/170 |
Oxygen attched directly or indirectly to morpholine ring by nonionic bonding |
147 |
| 544/177 |
Ether containing |
76 |
| 544/173 |
The oxygen is bonded directly to a ring |
166 |
| 544/174 |
Ether containing |
192 |
| 544/171 |
The oxygen is in a -coo- group |
209 |
| 544/172 |
Carbonyl of -coo- group bonded directly to a ring |
113 |
| 544/175 |
The oxygen is in a carbonyl group |
93 |
| 544/176 |
The carbonyl is bonded directly to nitrogen of morpholine ring |
143 |
| 544/157 |
Phosphorus attached directly or indirectly to morpholine ring by nonionic bonding |
136 |
| 544/154 |
Polycyclo-carbocyclic ring system having at least three cyclos |
85 |
| 544/155 |
Tricyclo having three six-membered carbocyclic rings |
40 |
| 544/156 |
Anthrone or anthraquinone |
12 |
| 544/158 |
Sulfur attached directly or indirectly to morpholine ring by nonionic bonding |
225 |
| 544/161 |
Double bonded divalent sulfur |
47 |
| 544/159 |
Nitrogen attached directly or indirectly to morpholine ring by nonionic bonding |
363 |
| 544/160 |
Double bonded divalent sulfur |
150 |
| 544/145 |
Sulfur containing hetero ring (e.g., thioxane, etc.) |
182 |
| 544/146 |
Thiophene ring (including hydrogenated) |
260 |
| 544/99 |
Polycyclo ring system having the oxazine ring as one of the cyclos |
172 |
| 544/100 |
Anthrone or anthraquinone in the polycyclo ring system |
14 |
| 544/105 |
Bicyclo ring system having the oxazine ring as one of the cyclos (e.g., benzoxazines, etc.) |
619 |
| 544/101 |
Tricyclo ring system having the oxazine ring as one of the cyclos |
241 |
| 544/102 |
Phenoxazines (including hydrogenated) |
142 |
| 544/103 |
Plural nitrogens bonded directly to the phenoxazine |
50 |
| 544/104 |
Sulfur containing |
43 |
| 544/69 |
Boron or silicon containing |
162 |
| 544/64 |
Heavy metal or aluminum containing |
158 |
| 544/66 |
Plural nitrogens in the six-membered hetero ring |
129 |
| 544/67 |
1,3,5-oxadiazines |
112 |
| 544/68 |
Oxygen bonded directly to the six-membered hetero ring |
70 |
| 544/72 |
Plural oxazine rings |
42 |
| 544/78 |
Plural morpholine rings (i.e., plural fully hydrogenated 1, 4-oxazine rings) |
57 |
| 544/82 |
Additional nitrogen containing hetero ring (e.g., thiazole, etc.) |
223 |
| 544/83 |
Triazine |
69 |
| 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 |
88 |
| 544/84 |
Phosphorus attached directly or indirectly to a morpholine ring by nonionic bonding |
30 |
| 544/79 |
Polycyclo ring system |
66 |
| 544/80 |
Ring nitrogen in the polycyclo ring system |
121 |
| 544/81 |
Four or more ring nitrogens in the polycyclo ring system |
29 |
| 544/85 |
Sulfur attached directly or indirectly to a morpholine ring by nonionic bonding |
89 |
| 544/73 |
Polycyclo ring system having oxazine ring as at least one of the cyclos |
104 |
| 544/74 |
Plural 1,4-oxazine rings are cyclos in the polycyclo ring system |
66 |
| 544/75 |
Pentacyclo ring system having the oxazine rings as cyclos |
80 |
| 544/76 |
Plural nitrogens bonded directly to the pentacyclo ring system |
143 |
| 544/77 |
Acyclic nitrogen is bonded directly to a -c(=x)- group, wherein x is chalcogen |
59 |
| 544/65 |
Plural oxygens in the six-membered hetero ring |
78 |
| 544/70 |
Spiro |
190 |
| 544/71 |
Spiro oxazine |
171 |
| 544/2 |
Six-membered hetero ring consists of oxygen, sulfur, nitrogen and carbon (e.g., oxathiazines, etc.) |
117 |
| 544/3 |
Six-membered hetero ring consists of sulfur, nitrogen, and carbon |
194 |
| 544/53 |
1,3-thiazines |
99 |
| 544/55 |
Additional hetero ring containing |
184 |
| 544/54 |
Double bonded divalent chalcogen containing |
250 |
| 544/56 |
1,4-thiazines |
80 |
| 544/58.1 |
Double bonded divalent chalcogen containing |
145 |
| 544/58.5 |
Additional hetero ring containing |
169 |
| 544/58.7 |
Ring chalcogen in the additional hetero ring |
158 |
| 544/58.6 |
Ring nitrogen in the additional hetero ring, which is six-membered |
334 |
| 544/58.2 |
Divalent chalcogen double bonded directly to the thiazine ring |
289 |
| 544/58.4 |
Having -c(=x)-, wherein x is chalcogen, bonded directly to the thiazine ring |
250 |
| 544/57 |
Phosphorus containing |
73 |
| 544/59 |
Thiomorpholines (i.e., fully hydrogenated 1,4-thiazines) |
322 |
| 544/60 |
Additional hetero ring containing |
800 |
| 544/61 |
The additional hetero ring is one of the cyclos in a bicyclo ring system |
232 |
| 544/62 |
Benzo is the other cyclo |
284 |
| 544/4 |
Heavy metal or aluminum containing |
60 |
| 544/7 |
Plural nitrogens in the six-membered hetero ring (e.g., thiatriazines, etc.) |
53 |
| 544/8 |
Thiadiazines |
198 |
| 544/9 |
Polycyclo ring system having the thiadiazine ring as one of the cyclos |
43 |
| 544/10 |
Bicyclo ring system having the thiadiazine ring as one of the cyclos |
51 |
| 544/11 |
Benzothiadiazines |
52 |
| 544/12 |
1,2,4-benzothiadiazines |
78 |
| 544/13 |
Sulfamyl or substituted sulfamyl containing |
37 |
| 544/5 |
Plural sulfurs in the six-membered hetero ring (e.g., dithiazines, etc.) |
65 |
| 544/14 |
Polycyclo ring system having the six-membered hetero ring as one of the cyclos |
83 |
| 544/47 |
Bicyclo ring system having the six-membered hetero ring as one of the cyclos |
74 |
| 544/49 |
Benzothiazines (including hydrogenated) |
146 |
| 544/50 |
1,3- or 3,1-benzothiazines |
65 |
| 544/51 |
1,4-benzothiazines |
85 |
| 544/52 |
Double bonded divalent chalcogen containing |
147 |
| 544/48 |
Three or more ring hetero atoms in the bicyclo ring system |
160 |
| 544/31 |
Phenothiazine as three cyclos of polycyclo ring system having at least four cyclos |
46 |
| 544/32 |
Tricyclo ring system having the six-membered hetero ring as one of the cyclos |
122 |
| 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.) |
45 |
| 544/35 |
Phenothiazines (including hydrogenated) |
112 |
| 544/38 |
Carbon bonded directly to ring nitrogen of phenothiazine ring system |
67 |
| 544/39 |
Divalent chalcogen double bonded directly to the carbon |
29 |
| 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.) |
35 |
| 544/46 |
Chalcogen in the nitrogen containing substituent |
33 |
| 544/44 |
Piperazine ring in the nitrogen containing substituent |
20 |
| 544/45 |
Chalcogen in the nitrogen containing substituent |
9 |
| 544/43 |
Plural hetero rings in the nitrogen containing substituent |
25 |
| 544/37 |
Nitrogen bonded directly to phenothiazine ring system |
71 |
| 544/36 |
Purification or recovery |
13 |
| 544/34 |
Plural ring nitrogens in the tricyclo ring system |
69 |
| 544/6 |
Spiro |
117 |
| 544/179 |
Tetrazines |
151 |
| 544/224 |
The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.) |
679 |
| 544/238 |
1,2-diazines which contain an additional hetero ring |
1620 |
| 544/242 |
1,3-diazines |
769 |
| 544/333 |
Additional hetero ring which is unsaturated |
1487 |
| 544/335 |
Chalcogen attached indirectly to the diazine ring by nonionic bonding |
1076 |
| 544/298 |
Chalcogen bonded directly to diazine ring carbon |
740 |
| 544/299 |
At 2-, 4-, and 6-positions (e.g., barbituric acid, etc.) |
145 |
| 544/306 |
Acyclic ethylenic or acetylenic unsaturation containing |
36 |
| 544/302 |
Additional chalcogen attached directly or indirectly to the diazine ring by nonionic bonding |
181 |
| 544/300 |
Additional hetero ring which is unsaturated |
306 |
| 544/304 |
Alicyclic ring attached directly or indirectly to the diazine ring by nonionic bonding |
38 |
| 544/303 |
Halogen attached directly or indirectly to the diazine ring by nonionic bonding |
100 |
| 544/301 |
Nitrogen attached directly or indirectly to the diazine ring by nonionic bonding |
242 |
| 544/305 |
Phenyl bonded directly at 5-position |
28 |
| 544/307 |
Plural alkyl groups bonded directly at 5-position |
5 |
| 544/308 |
Plural diverse alkyl groups bonded directly at 5-position |
5 |
| 544/309 |
At 2-position and at 4- or 6-position |
292 |
| 544/314 |
Additional chalcogen attached directly or indirectly to the diazine ring by nonionic bonding |
354 |
| 544/310 |
Additional hetero ring which is unsaturated |
558 |
| 544/313 |
Halogen attached directly to the diazine ring by nonionic bonding |
265 |
| 544/311 |
Nitrogen attached directly or indirectly to the diazine ring by nonionic bonding |
426 |
| 544/312 |
5-position is unsubstituted or alkyl substituted only |
368 |
| 544/315 |
At 2-position |
369 |
| 544/318 |
Additional chalcogen attached directly or indirectly to the diazine ring by nonionic bonding |
481 |
| 544/316 |
Nitrogen attached directly or indirectly to the diazine ring by nonionic bonding |
793 |
| 544/317 |
The nitrogen is bonded directly at 4- or 6-position |
510 |
| 544/319 |
At 4- or 6-position |
842 |
| 544/320 |
Nitrogen attached directly at 2-position by nonionic bonding |
595 |
| 544/321 |
Carbocyclic ring containing |
727 |
| 544/334 |
Halogen attached directly to the diazine ring by nonionic bonding |
324 |
| 544/297 |
Nitrogen attached directly at 2-position by nonionic bonding and sulfur bonded directly to the nitrogen |
143 |
| 544/322 |
Nitrogen attached directly to diazine ring by nonionic bonding |
347 |
| 544/323 |
At 2-position and at 4- or 6-position |
486 |
| 544/324 |
Additional hetero ring which is unsaturated |
453 |
| 544/325 |
Substituent on 5-position contains carbocyclic ring |
147 |
| 544/330 |
At 2-position |
370 |
| 544/331 |
Additional hetero ring which is unsaturated |
822 |
| 544/332 |
Chalcogen attached indirectly to the diazine ring by nonionic bonding |
685 |
| 544/326 |
At 4- or 6-position |
296 |
| 544/328 |
Additional hetero ring which is unsaturated |
347 |
| 544/329 |
Carbonyl attached directly or indirectly to the diazine ring by nonionic bonding |
223 |
| 544/327 |
Sulfur attached indirectly to the diazine ring by nonionic bonding (e.g., thiamines, etc.) |
277 |
| 544/243 |
Phosphorus attached directly or indirectly to the diazine ring by nonionic bonding |
421 |
| 544/244 |
Polycyclo ring system having the diazine ring as one of the cyclos |
362 |
| 544/295 |
Plural diazine rings |
1147 |
| 544/296 |
Plural 1,3-diazine rings |
599 |
| 544/245 |
Polycyclo ring system having the diazine ring as one of the cyclos |
138 |
| 544/253 |
Bicyclo ring system having the diazine ring as one of the cyclos |
349 |
| 544/254 |
At least five ring hetero atoms in the bicyclo ring system |
138 |
| 544/255 |
Four ring hetero atoms in the bicyclo ring system |
144 |
| 544/256 |
Four ring nitrogens in the bicyclo ring system |
190 |
| 544/257 |
Pteridines (including hydrogenated) |
112 |
| 544/258 |
Nitrogen bonded directly to the pteridine ring system |
156 |
| 544/259 |
Plural nitrogens bonded directly to the pteridine ring system |
29 |
| 544/260 |
At 2- and 4-positions |
92 |
| 544/261 |
Pteroyl per se or having -c(=x)-, wherein x is chalcogen, bonded directly to acyclic nitrogen of otherwise unsubstituted pteroyl |
34 |
| 544/262 |
The other cyclo in the bicyclo ring system is five-membered |
251 |
| 544/264 |
Purines (including hydrogenated) |
361 |
| 544/265 |
Chalcogen bonded directly to ring carbon of the purine ring system |
287 |
| 544/267 |
At 2- and 6-positions (e.g., theophyllines, etc.) |
261 |
| 544/269 |
Additional hetero ring which is unsaturated and is not one of the cyclos of a purine ring system |
121 |
| 544/270 |
Plural ring nitrogens in the additional hetero ring |
83 |
| 544/268 |
Additional polycyclo ring system, which is not another purine, having a hetero ring as one of the cyclos |
127 |
| 544/274 |
Caffeine per se, theobromine per se, or salt thereof |
42 |
| 544/275 |
Recovery of caffeine per se, theobromine per se, or salt thereof, from natural or waste material |
41 |
| 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.) |
151 |
| 544/272 |
Nitrogen attached directly or indirectly to the purine ring system by nonionc bonding |
158 |
| 544/273 |
Positions other than 2- and 6- are unsubstituted or hydrocarbyl or hydro- carboyl substituted only (e.g., theophylline, etc.) |
94 |
| 544/266 |
At 2-,6-, and 8-positions |
54 |
| 544/276 |
Nitrogen attached directly or indirectly to the purine ring system by nonionic bonding |
450 |
| 544/277 |
Nitrogen attached directly or indirectly to the purine ring system by nonionic bonding |
655 |
| 544/263 |
Ring nitrogen is shared by two cyclos |
208 |
| 544/282 |
Ring nitrogen is shared by two cyclos |
192 |
| 544/283 |
The other cyclo in the bicyclo ring system is a benzene ring (e.g., quinazoline, etc.) |
360 |
| 544/284 |
Additional nitrogen containing unsaturated hetero ring (e.g., thiazole, etc.) |
719 |
| 544/285 |
Chalcogen bonded directly at 2- and 4-positions |
222 |
| 544/286 |
Chalcogen bonded directly at 2-position |
198 |
| 544/287 |
Chalcogen bonded directly at 4-position |
345 |
| 544/289 |
Carbocyclic ring bonded directly at 2-position |
75 |
| 544/290 |
Carbocyclic ring bonded directly at 3-position |
49 |
| 544/288 |
Sulfur bonded directly at 6-position |
51 |
| 544/291 |
Nitrogen bonded directly at 2- and 4-positions |
142 |
| 544/292 |
Nitrogen bonded directly at 2-position |
99 |
| 544/293 |
Nitrogen bonded directly at 4-position |
232 |
| 544/278 |
Three ring hetero atoms in the bicyclo ring system |
426 |
| 544/279 |
Three ring nitrogens in the bicyclo ring system |
456 |
| 544/280 |
The other cyclo in the bicyclo ring system is five-membered |
351 |
| 544/281 |
Ring nitrogen is shared by the two cyclos |
294 |
| 544/246 |
Tetracyclo ring system having the diazine ring as one of the cyclos |
58 |
| 544/248 |
Ring carbon is shared by three of the cyclos (e.g., anthrapyrimidine, etc.) |
24 |
| 544/247 |
Three or more ring hetero atoms in the tetracyclo ring system |
137 |
| 544/249 |
Tricyclo ring system having the diazine ring as one of the cyclos |
135 |
| 544/252 |
Ring nitrogen is shared by two of the cyclos |
132 |
| 544/250 |
Three or more ring hetero atoms in the tricyclo ring system |
429 |
| 544/251 |
Four or more ring nitrogens in the tricyclo ring system |
315 |
| 544/294 |
Polycyclo-carbocyclic ring system having at least three cyclos |
87 |
| 544/336 |
1,4-diazines |
824 |
| 544/405 |
Additional hetero ring which is unsaturated |
954 |
| 544/408 |
Chalcogen bonded directly to diazine ring carbon |
314 |
| 544/409 |
Halogen attached directly to the diazine ring by nonionic bonding |
152 |
| 544/406 |
Having -c(=x)-, wherein x is chalcogen, bonded directly to the diazine ring |
235 |
| 544/407 |
Nitrogen attached directly to the diazine ring by nonionic bonding |
110 |
| 544/337 |
Phosphorus attached directly or indirectly to the diazine ring by nonionic bonding |
269 |
| 544/358 |
Piperazines (i.e., fully hydrogenated 1,4-diazines) |
422 |
| 544/359 |
Additional hetero ring containing |
341 |
| 544/372 |
Five-membered hetero ring consisting of one nitrogen and four carbons |
570 |
| 544/373 |
The five-membered hetero ring is one of the cyclos in a bicyclo ring system |
586 |
| 544/366 |
Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen |
465 |
| 544/371 |
1,2-diazole ring (including hydrogenated) |
301 |
| 544/370 |
1,3-diazole ring (including hydrogenated) |
638 |
| 544/367 |
Ring chalcogen in the five-membered hetero ring |
436 |
| 544/369 |
1,3-oxazole ring or 1,3-thiazole ring (including hydrogenated) |
362 |
| 544/368 |
The five-membered hetero ring is one of the cyclos in a polycyclo ring system |
471 |
| 544/374 |
Ring chalcogen in the additional hetero ring |
254 |
| 544/375 |
Polycyclo ring system having the additional hetero ring as one of the cyclos |
171 |
| 544/376 |
Bicyclo ring system having the additional hetero ring as one of the cyclos |
416 |
| 544/377 |
Plural ring chalcogens in the bicyclo ring system |
219 |
| 544/378 |
Plural ring chalcogens in the polycyclo ring system or the piperazine ring bonded directly to the polycyclo ring system |
88 |
| 544/379 |
The additional hetero ring is five-membered and unsaturated (e.g., thienyl piperazines, etc.) |
305 |
| 544/360 |
Six-membered ring consisting of one nitrogen and five carbons (e.g., pyridine, etc.) |
1310 |
| 544/364 |
At least three hetero rings containing |
869 |
| 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.) |
293 |
| 544/361 |
The additional six-membered hetero ring is one of the cyclos in a polycyclo ring system |
505 |
| 544/362 |
The additional six-membered hetero ring is one of the cyclos in a bicyclo ring system |
509 |
| 544/363 |
Quinoline or isoquinoline (including hydrogenated) |
785 |
| 544/403 |
Carbocyclic ring containing |
144 |
| 544/383 |
Chalcogen attached directly to piperazine ring nitrogen by nonionic bonding |
244 |
| 544/398 |
Chalcogen attached indirectly to the piperazine ring by nonionic bonding |
338 |
| 544/401 |
The chalcogen is single bonded to both acyclic carbon and hydrogen |
214 |
| 544/399 |
The chalcogen, x, is in a -c(=x)- group |
312 |
| 544/400 |
Acyclic nitrogen bonded directly to the -c(=x)- group |
307 |
| 544/384 |
Chalcogen bonded directly to piperazine ring carbon |
167 |
| 544/385 |
Plural chalcogens bonded directly to piperazine ring carbons |
105 |
| 544/386 |
Having -c(=x)-, wherein x is chalcogen, bonded directly to the piperazine ring |
247 |
| 544/391 |
Carbocyclic ring containing |
330 |
| 544/390 |
Halogen or acyclic nitrogen bonded directly to the -c(=x)- group |
142 |
| 544/387 |
Plural -c(=x)- groups bonded directly to the piperazine ring |
103 |
| 544/388 |
Chalcogen or acyclic nitrogen bonded directly to at least one of the -c(=x) groups |
96 |
| 544/389 |
The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens |
127 |
| 544/404 |
N-hydrocarbyl piperazines |
81 |
| 544/382 |
Nitrogen attached directly to the piperazine ring by nonionic bonding |
111 |
| 544/402 |
Nitrogen attached indirectly to the piperazine ring by nonionic bonding |
291 |
| 544/392 |
Phenyl or naphthyl bonded directly to ring nitrogen of the piperazine ring |
269 |
| 544/393 |
Acyclic nitrogen bonded directly to a -c(=x)- group, wherein x is chalcogen |
180 |
| 544/394 |
The other ring nitrogen has a substituent which includes chalcogen single bonded to acyclic carbon |
195 |
| 544/395 |
The other ring nitrogen is unsubstituted or alkyl substituted only, or salt thereof |
124 |
| 544/396 |
Plural carbocyclic rings bonded directly to the same acyclic carbon |
143 |
| 544/397 |
Chalcogen bonded directly to the carbon |
49 |
| 544/380 |
Polycyclo-carbocyclic ring system having at least three cyclos |
151 |
| 544/381 |
Piperazine ring bonded directly to the polycyclo-carbocyclic ring system |
30 |
| 544/357 |
Plural diazine rings |
806 |
| 544/338 |
Polycyclo ring system having the diazine ring as one of the cyclos |
65 |
| 544/349 |
Bicyclo ring system having the diazine ring as one of the cyclos |
300 |
| 544/353 |
Quinoxalines (including hydrogenated) |
515 |
| 544/354 |
Chalcogen bonded directly to diazine ring carbon |
377 |
| 544/356 |
Halogen or nitrogen attached directly to diazine ring carbon by nonionic bonding |
149 |
| 544/355 |
Having -c(=x)-, wherein x is chalcogen, bonded directly to diazine ring carbon |
154 |
| 544/350 |
Three or more ring hetero atoms in the bicyclo ring system |
357 |
| 544/351 |
Triethylene diamines |
64 |
| 544/352 |
Process of forming, purifying, or recovering triethylene diamine per se, or salt thereof |
55 |
| 544/339 |
Heptacyclo ring system having the diazine ring as one of the cyclos (e.g., indanthrones, etc.) |
37 |
| 544/340 |
Chalcogen attached indirectly to the heptacyclo ring system by nonionic bonding |
14 |
| 544/341 |
Halogen, nitrogen, or carbon attached directly to the heptacyclo ring system by nonionic bonding |
15 |
| 544/342 |
Pentacyclo ring system having the diazine ring as one of the cyclos |
69 |
| 544/343 |
Tetracyclo ring system having the diazine ring as one of the cyclos (e.g., benzophenazines, etc.) |
178 |
| 544/344 |
Tricyclo ring system having the diazine ring as one of the cyclos |
173 |
| 544/347 |
Phenazines (including hydrogenated) |
94 |
| 544/348 |
Nitrogen attached directly to the phenazine ring system by nonionic bonding |
43 |
| 544/345 |
Three or more ring hetero atoms in the tricyclo ring system |
170 |
| 544/346 |
Ring nitrogen is shared by two of the cyclos (e.g., ergot, alkaloids, etc.) |
169 |
| 544/410 |
Unsubstituted or hydrocarbyl substituted only, or salt thereof |
108 |
| 544/229 |
Boron or silicon containing |
387 |
| 544/239 |
Chalcogen bonded directly to ring carbon of a 1,2-diazine ring |
485 |
| 544/241 |
Halogen attached directly to the 1,2-diazine ring by nonionic bonding |
147 |
| 544/240 |
Plural chalcogens bonded directly |
180 |
| 544/225 |
Heavy metal or aluminum containing |
327 |
| 544/226 |
Arsenic or zinc containing |
67 |
| 544/227 |
Mercury containing |
16 |
| 544/228 |
Purine containing (including hydrogenated) |
13 |
| 544/232 |
Phosphorus attached directly or indirectly to a 1,2-diazine ring by nonionic bonding |
156 |
| 544/233 |
Polycyclo ring system having a 1,2-diazine ring as one of the cyclos |
125 |
| 544/235 |
Bicyclo ring system having the 1,2-diazine ring as one of the cyclos |
446 |
| 544/236 |
At least three ring nitrogens in the bicyclo ring system |
379 |
| 544/237 |
Phthalazines (including hydrogenated) |
381 |
| 544/234 |
Tricyclo ring system having the 1,2-diazine ring as one of the cyclos |
248 |
| 544/230 |
Spiro |
350 |
| 544/231 |
Spiro diazine |
197 |
| 544/180 |
Triazines |
418 |
| 544/187 |
Anthrone or anthraquinone containing |
70 |
| 544/188 |
Polycyclo ring system having the anthrone or anthraquinone and at least one hetero ring as cyclos |
29 |
| 544/189 |
Sulfur containing |
106 |
| 544/182 |
Asymmetrical (e.g., 1, 2, 4-triazines, etc.) |
654 |
| 544/183 |
Polycyclo ring system having the asymmetrical triazine ring as one of the cyclos |
218 |
| 544/184 |
Four or more ring hetero atoms in the polycyclo ring system |
173 |
| 544/215 |
Chalcogen or halogen containing substituent |
271 |
| 544/216 |
Bonded to triazine ring carbon |
283 |
| 544/219 |
Chalcogen bonded directly to triazine ring carbon |
387 |
| 544/220 |
Divalent chalcogen double bonded directly to triazine ring carbon |
77 |
| 544/221 |
To three ring carbons |
153 |
| 544/222 |
Nitrogen containing substituent |
205 |
| 544/223 |
To two ring carbons |
63 |
| 544/217 |
Halogen bonded directly to triazine ring carbon |
119 |
| 544/218 |
Chalcogen bonded directly to triazine ring carbon |
138 |
| 544/192 |
Cyanuric acid per se or salt thereof |
75 |
| 544/190 |
Cyanuric chloride or dichloroisocyanuric acid salt |
67 |
| 544/191 |
Processes utilizing cyanogen chloride reactant |
17 |
| 544/181 |
Heavy metal or aluminum containing |
102 |
| 544/185 |
Hexamethylenetetramines |
36 |
| 544/186 |
Processes |
26 |
| 544/214 |
Phosphorus containing |
78 |
| 544/193.1 |
Stilbene containing |
21 |
| 544/193.2 |
Plural triazine rings containing |
68 |
| 544/194 |
Substituent nitrogen bonded directly to carbon of the triazine ring |
272 |
| 544/211 |
Additional ring containing |
423 |
| 544/212 |
Hetero ring |
675 |
| 544/195 |
Phosphorus containing |
101 |
| 544/213 |
Sulfur containing |
111 |
| 544/196 |
Three substituent nitrogens bonded directly to the three carbons of the triazine ring |
180 |
| 544/197 |
Additional ring containing |
244 |
| 544/198 |
Hetero ring |
449 |
| 544/199 |
Halogen or sulfur containing |
45 |
| 544/200 |
Melamine per se, or salt thereof |
47 |
| 544/202 |
Processes utilizing cyanamide or dicyanamide reactant |
4 |
| 544/201 |
Processes utilizing urea or biuret reactant |
68 |
| 544/203 |
Purification or recovery |
42 |
| 544/204 |
Two substituent nitrogens bonded directly to two carbons of the triazine ring |
144 |
| 544/208 |
Additional ring containing |
332 |
| 544/209 |
Hetero ring |
520 |
| 544/205 |
Guanamines |
78 |
| 544/206 |
Additional ring containing |
238 |
| 544/207 |
Hetero ring |
318 |
| 544/210 |
Sulfur containing |
83 |
| 544/193 |
Trimerization process to form the triazine ring |
155 |