U.S. PATENT AND TRADEMARK OFFICE
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U.S. Patent Classification System - Classification Definitions
as of June 30, 2000
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Class 549
ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
Class Definition:
SUBCLASSES
Subclass:
1
This subclass is indented under subclass 1. Compounds under
Class 540, ... which contain a hetero ring having sulfur as
a ring hetero atom.
(1) Note. Inner sulfonium salts, even when represented in
cyclic form, are classified under Class 568, subclasses 18+.
Subclass:
2
This subclass is indented under subclass 1. Compounds which
occur in admixture with agents which function to prevent
physical or chemical change.
Subclass:
3
This subclass is indented under subclass 1. Compounds which
include aluminum or a metal with a specific gravity greater
than 4.
(1) Note. Arsenic is considered a metal for the purpose of
this subclass.
(2) Note. Examples of compounds provided for herein are:
[figure] [caption]and [figure]
Subclass:
4
This subclass is indented under subclass 1. Compounds which
include boron or silicon.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption]and [figure]
Subclass:
5
This subclass is indented under subclass 1. Compounds wherein
phosphorus is attached directly or indirectly to the hetero
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
6
This subclass is indented under subclass 5. Compounds wherein
the hetero ring is five-membered.
Subclass:
7
This subclass is indented under subclass 6. Compounds wherein
the five-membered hetero ring contains at least one ring
hetero atom in addition to the ring sulfur.
Subclass:
8
This subclass is indented under subclass 6. Compounds having
exactly four chalcogens (i.e., oxygen, sulfur, selenium, or
tellurium) bonded directly to the same phosphorus atom.
Subclass:
9
This subclass is indented under subclass 1. Compounds wherein
the hetero ring has seven or more members.
Subclass:
10
This subclass is indented under subclass 9. Compounds wherein
the hetero ring contains at least one hetero atom in addition
to the ring sulfur.
Subclass:
11
This subclass is indented under subclass 10. Compounds
wherein the hetero ring contains at least two ring sulfurs.
Subclass:
12
This subclass is indented under subclass 9. Compounds wherein
the hetero ring having at least seven members is a cyclo in a
polycyclo ring system containing at least three cyclos.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
13
This subclass is indented under subclass 1. Compounds wherein
the hetero ring is six-membered.
Subclass:
14
This subclass is indented under subclass 13. Compounds
wherein the hetero ring contains at least one ring hetero
atom in addition to the ring sulfur.
Subclass:
15
This subclass is indented under subclass 14. Compounds
wherein the hetero ring is one of the cyclos of a polycyclo
ring system.
Subclass:
16
This subclass is indented under subclass 15. Compounds
wherein the polycyclo ring system consists of exactly three
rings.
Subclass:
17
This subclass is indented under subclass 16. Compounds
wherein the hetero ring contains at least two ring sulfurs.
Subclass:
18
This subclass is indented under subclass 14. Compounds
wherein the six-membered hetero ring contains at least two
ring hetero atoms in addition to the ring sulfur.
Subclass:
19
This subclass is indented under subclass 18. Compounds
wherein the hetero ring contains at least two ring sulfurs.
Subclass:
20
This subclass is indented under subclass 14. Compounds
wherein the hetero ring contains exactly two ring sulfurs.
Subclass:
21
This subclass is indented under subclass 20. Compounds
wherein nitrogen or chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is attached directly to the hetero
ring by nonionic bonding.
Subclass:
22
This subclass is indented under subclass 20. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) or nitrogen is attached indirectly to the hetero
ring by nonionic bonding.
Subclass:
23
This subclass is indented under subclass 13. Compounds
wherein the six-membered hetero ring is one of the cyclos of
a polycyclo ring system.
Subclass:
24
This subclass is indented under subclass 23. Compounds
wherein the polycyclo ring system has at least four cyclos.
Subclass:
25
This subclass is indented under subclass 24. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
26
This subclass is indented under subclass 23. Compounds
wherein the polycyclo ring system consists of exactly three
rings.
Subclass:
27
This subclass is indented under subclass 26. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
28
This subclass is indented under subclass 13. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) or nitrogen is attached directly to the hetero
ring by nonionic bonding.
Subclass:
29
This subclass is indented under subclass 1. Compounds wherein
the hetero ring is five-membered.
Subclass:
30
This subclass is indented under subclass 29. Compounds
wherein the hetero ring contains at least one ring hetero
atom in addition to the ring sulfur.
Subclass:
31
This subclass is indented under subclass 30. Compounds
wherein the hetero ring is one of the cyclos of a polycyclo
ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
32
This subclass is indented under subclass 31. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption]and [figure]
Subclass:
33
This subclass is indented under subclass 22. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption]and [figure]
Subclass:
34
This subclass is indented under subclass 30. Compounds
wherein the hetero ring contains at least two ring hetero
atoms in addition to the ring sulfur.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
35
This subclass is indented under subclass 30. Compounds
wherein the hetero ring contains exactly two ring sulfurs.
Subclass:
36
This subclass is indented under subclass 35. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to ring carbon of the hetero
ring.
Subclass:
37
This subclass is indented under subclass 36. Compounds
wherein nitrogen or chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is attached indirectly to the hetero
ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
38
This subclass is indented under subclass 35. Compounds
wherein nitrogen is attached directly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
39
This subclass is indented under subclass 35. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
40
This subclass is indented under subclass 30. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to ring sulfur of the hetero
ring by nonionic bonding.
Subclass:
41
This subclass is indented under subclass 29. Compounds
wherein the five-membered hetero ring is one of the cyclos of
a polycyclo ring system.
Subclass:
42
This subclass is indented under subclass 41. Compounds
wherein the polycyclo ring system consists of exactly four
rings.
Subclass:
43
This subclass is indented under subclass 41. Compounds
wherein the polycyclo ring system consists of exactly three
rings.
Subclass:
44
This subclass is indented under subclass 43. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the tricyclo ring system
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
45
This subclass is indented under subclass 44. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
46
This subclass is indented under subclass 45. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to ring sulfur of the hetero
ring by nonionic bonding.
Subclass:
47
This subclass is indented under subclass 45. Compounds
wherein halogen is attached directly to the tricyclo ring
system by nonionic bonding.
Subclass:
48
This subclass is indented under subclass 44. Compounds
wherein nitrogen is attached directly or indirectly to the
tricyclo ring system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
49
This subclass is indented under subclass 41. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
Subclass:
50
This subclass is indented under subclass 49. Compounds
wherein the bicyclo ring system contains at least one ring
hetero atom in addition to the ring sulfur of the
five-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption]and [figure]
Subclass:
51
This subclass is indented under subclass 49. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the bicyclo ring system by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
52
This subclass is indented under subclass 51. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
53
This subclass is indented under subclass 52. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the ring sulfur of the
five-membered hetero ring by nonionic bonding.
Subclass:
54
This subclass is indented under subclass 52. Compounds
wherein at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are bonded directly to the bicyclo
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
55
This subclass is indented under subclass 52. Compounds
wherein nitrogen is attached directly or indirectly to the
bicyclo ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
56
This subclass is indented under subclass 52. Compounds
wherein halogen is attached directly or indirectly to the
bicyclo ring system by nonionic bonding.
Subclass:
57
This subclass is indented under subclass 49. Compounds
wherein X nitrogen or --, in which X is chalcogen (i.e.,
oxygen, sulfur, selenium, or tellurium), is attached directly
to the bicyclo ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [caption] and [figure]
Subclass:
58
This subclass is indented under subclass 49. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the bicyclo ring system
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
59
This subclass is indented under subclass 29. Compounds which
contain an additional hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption]and
[figure]
Subclass:
60
This subclass is indented under subclass 59. Compounds
wherein the additional hetero ring contains oxygen as a ring
hetero atom.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
61
This subclass is indented under subclass 29. Compounds
wherein the -CN group is bonded directly to ring carbon of
the hetero ring.
Subclass:
62
This subclass is indented under subclass 29. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to ring carbon of the hetero
ring.
Subclass:
63
This subclass is indented under subclass 62. Compounds
wherein nitrogen is attached directly to the hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption]and [figure]
Subclass:
64
This subclass is indented under subclass 62. Compounds
wherein --, in which X is chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium), is bonded directly to the hetero
ring.
Subclass:
65
This subclass is indented under subclass 62. Compounds
wherein nitrogen is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
66
This subclass is indented under subclass 62. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
67
This subclass is indented under subclass 62. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to ring sulfur of the hetero
ring by nonionic bonding.
Subclass:
68
This subclass is indented under subclass 29. Compounds
wherein nitrogen is attached directly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
69
This subclass is indented under subclass 68. Compounds
wherein --, in which X is chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly to the nitrogen
atom.
Subclass:
70
This subclass is indented under subclass 29. Compounds
wherein --, in which X is chalcogen, (i.e., oxygen, sulfur,
selenium, or tellurium), is bonded directly to the hetero
ring.
Subclass:
71
This subclass is indented under subclass 70. Compounds
wherein the -C-is part of a --X- group, in which the X's are
the same or diverse chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium).
(1) Note. An example of a compound provided for herein is
[figure]
Subclass:
72
This subclass is indented under subclass 70. Compounds
wherein nitrogen or chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is attached indirectly to the hetero
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption]and [figure]
Subclass:
73
This subclass is indented under subclass 70. Compounds
wherein halogen is attached directly or indirectly to the
hetero ring by nonionic bonding.
Subclass:
74
This subclass is indented under subclass 29. Compounds
wherein nitrogen is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
75
This subclass is indented under subclass 74. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
76
This subclass is indented under subclass 75. Compounds
wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or
tellurium), is in a -- group.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
77
This subclass is indented under subclass 76. Compounds which
contain an unsaturated carbocyclic ring or acyclic carbon to
carbon unsaturation.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption]and [figure]
Subclass:
78
This subclass is indented under subclass 29. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
79
This subclass is indented under subclass 78. Compounds in
which the chalcogen, X, is part of a --X- group, wherein the
X's are the same or diverse chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium).
Subclass:
80
This subclass is indented under subclass 29. Compounds which
contain an unsaturated carbocyclic ring or acyclic carbon to
carbon unsaturation.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
81
This subclass is indented under subclass 29. Compounds
wherein halogen is attached directly to the hetero ring by
nonionic bonding.
Subclass:
82
This subclass is indented under subclass 81. Compounds
wherein at least three halogen atoms are attached directly to
the hetero ring by nonionic bonding.
Subclass:
83
This subclass is indented under subclass 29. Compounds in
which the five-membered hetero ring is unsubstituted or
substituted by hydrocarbon radicals only.
Subclass:
84
This subclass is indented under subclass 83. Processes of
forming the five-membered hetero ring utilizing acyclic
reactants only.
Subclass:
85
This subclass is indented under subclass 84. Processes which
utilize a metal containing catalyst.
Subclass:
86
This subclass is indented under subclass 83. Processes in
which the five-membered hetero ring is alkylated.
Subclass:
87
This subclass is indented under subclass 29. Compounds
wherein at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are double bonded directly to ring
sulfur of the hetero ring.
Subclass:
88
This subclass is indented under subclass 1. Compounds wherein
the hetero ring is four-membered.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
89
This subclass is indented under subclass 88. Compounds
wherein the hetero ring contains at least one ring hetero
atom in addition to ring sulfur.
(1) Note. Examples of compounds provided for herein are:
[figure] [caption] and [figure]
Subclass:
90
This subclass is indented under subclass 1. Compounds wherein
the hetero ring is three-membered and contains chalcogen
(i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen
attached directly or indirectly thereto by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
200
This subclass is indented under subclass 1. Compounds under
Class 540, ... which contain a hetero ring having oxygen as
a ring hetero atom.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
201
This subclass is indented under subclass 200. Products which
contain a compound having an oxygen containing hetero ring in
admixture with a preserving or stabilizing agent whose sole
function is to prevent physical or chemical change.
Subclass:
202
This subclass is indented under subclass 201. Products
wherein the hetero ring is oxirane, i.e., a three-member
hetero ring consisting of two ring carbons and one ring
oxygen.
Subclass:
203
This subclass is indented under subclass 201. Products
wherein the hetero ring is a cyclic anhydride, i.e.,
-C(=X)OC(=X)- is part of the ring, wherein the X's are the
same or diverse chalcogens (i.e., oxygen, sulfur, selenium or
tellurium).
Subclass:
204
This subclass is indented under subclass 201. Products
wherein the hetero ring is a lactone, i.e., -C(=X)0- is part
of the ring, wherein X represents chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium).
Subclass:
205
This subclass is indented under subclass 201. Products
wherein the hetero ring is five-membered.
Subclass:
206
This subclass is indented under subclass 200. Compounds which
include aluminum or a metal having a specific gravity greater
than four.
(1) Note. Arsenic is considered a metal.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
207
This subclass is indented under subclass 206. Compounds which
contain arsenic.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
208
This subclass is indented under subclass 206. Compounds
wherein the hetero ring contains either (1) three members, or
(2) seven or more members.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
209
This subclass is indented under subclass 206. Compounds
wherein the metal is bonded directly to (1) a ring carbon of
the oxygen-containing hetero ring, or (2) a carbon atom which
additionally is attached directly or indirectly to the
oxygen-containing hetero ring by nonionic bonding.
(1) Note. Excluded from this subclass are compounds such
as: [figure]
which require "doubling back" through the metal to satisfy
the conditions necessary for inclusion here.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
210
This subclass is indented under subclass 206. Compounds
wherein the metal is bonded directly to chalcogen (i.e.,
oxygen, sulfur, selenium, or tellurium), which chalcogen is
attached directly or indirectly to the hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
211
This subclass is indented under subclass 210. Compounds in
which the chalcogen, X, is part of a --X- group, wherein the
X's are the same or diverse chalcogens.
(1) Note. These compounds are usually referred to as
"salts".
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
212
This subclass is indented under subclass 206. Compounds
wherein the hetero ring is a cyclo in a polycyclo ring
system.
(1) Note. An example of compound provided for herein is:
[figure]
Subclass:
213
This subclass is indented under subclass 200. Compounds which
contain boron.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
214
This subclass is indented under subclass 200. Compounds which
contain silicon.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
215
This subclass is indented under subclass 214. Compounds which
contain a three-membered ring consisting of one oxygen and
two carbons: [figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
216
This subclass is indented under subclass 200. Compounds in
which phosphorus is bonded directly to the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
217
This subclass is indented under subclass 216. Compounds which
contain a three-membered ring consisting of one oxygen and
two carbons, i.e., oxirane.
(1) Note. An example of a compound provided for herein is:
[figure] [figure]
Subclass:
218
This subclass is indented under subclass 200. Compounds in
which phosphorus is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
219
This subclass is indented under subclass 218. Compounds which
contain a three-membered ring consisting of one oxygen and
two carbons, i.e., oxirane.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
220
This subclass is indented under subclass 218. Compounds
wherein the hetero ring is a cyclo in a polycyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
221
This subclass is indented under subclass 218. Compounds in
which the hetero ring contains at least two ring oxygens.
(1) Note. An example of a compound provided for herein is:
Subclass:
222
This subclass is indented under subclass 218. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the hetero ring.
(1) Note. Examples of compounds provided for herein are
[figure]
Subclass:
223
This subclass is indented under subclass 200. Compounds
having one of the following basic structures which may
contain double bonds between ring members of the tricyclo
ring system: [figure]
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
224
This subclass is indented under subclass 223. Compounds which
contain the xanthene ring system as three cyclos of a
polycyclo ring system containing four or more rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
225
This subclass is indented under subclass 223. Compounds in
which nitrogen is bonded directly to the xanthene ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
226
This subclass is indented under subclass 225. Compounds in
which at least two nitrogens are bonded directly to the
xanthene ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
227
This subclass is indented under subclass 226. Compounds in
which nitrogens are bonded directly to the xanthene ring
system at the 2- and 7- positions according to the following
structure: [figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
228
This subclass is indented under subclass 200. Compounds in
which the hetero ring contains as part of its structure
-O-C(=X)-O-, wherein X represents chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium).
(1) Note. This subclass includes cyclic carbonates.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
229
This subclass is indented under subclass 228. Compounds
wherein the hetero ring has five ring members.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
230
This subclass is indented under subclass 229. Compounds in
which the five-membered hetero ring, except for the single =X
to the ring, has only hydrogen or hydrocarbyl group(s) bonded
to it.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
231
This subclass is indented under subclass 200. Compounds
wherein the hetero ring is a cyclic anhydride; i.e., --O- is
part of the ring, X's are the same or different chalcogens
(i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
232
This subclass is indented under subclass 231. Compounds
wherein the cyclic anhydride has at least six ring members
and is one of the cyclos in a polycyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
233
This subclass is indented under subclass 231. Compounds
wherein the cyclic anhydride has five ring members.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
234
This subclass is indented under subclass 233. Compounds
wherein the five-membered cyclic anhydride is one of the
cyclos of a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
235
This subclass is indented under subclass 234. Compounds
wherein the polycyclo ring system consists of exactly four
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
236
This subclass is indented under subclass 234. Compounds
wherin the polycyclo ring system consists of exactly three
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
237
This subclass is indented under subclass 236. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo in the tricyclo ring system
(i.e., bridged).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
238
This subclass is indented under subclass 237. Compounds
wherein halogen is bonded directly to the bridged tricyclo
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
239
This subclass is indented under subclass 236. Compounds
wherein the tricyclo ring system includes at least two ring
oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
240
This subclass is indented under subclass 234. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
241
This subclass is indented under subclass 240. Compounds
wherein at least two bicyclo ring systems, each having a
cyclic anhydride as one of the cyclos, are present.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
242
This subclass is indented under subclass 241. Compounds
wherein a -- group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to at
least one of the bicyclo ring systems that has a cyclic
anhydride as one of the cyclos.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
243
This subclass is indented under subclass 240. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) or nitrogen is bonded directly to the bicyclo ring
system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
244
This subclass is indented under subclass 240. Compounds
wherein a -- group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
245
This subclass is indented under subclass 244. Compounds in
which the -- is part of a --XH group, wherein the X's are the
same or diverse chalcogens (i.e., oxygen, sulfur, selenium or
tellurium); and wherein H of -XH may be replaced by a
substituted or unsubstituted ammonium ion or a Group IA or
IIA light metal.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
246
This subclass is indented under subclass 240. Compounds
wherein halogen is bonded directly to the bicyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
247
This subclass is indented under subclass 240. The compound
which has the following structural formula: [figure]
Subclass:
248
This subclass is indented under subclass 247. Processes for
the preparation of phthalic anhydride, per se, by an
oxidation reaction.
(1) Note. Examples of processes provided for herein are the
oxidation of naphthalene or of orthoxylene to phthalic
anhydride.
Subclass:
249
This subclass is indented under subclass 248. Processes
wherein a catalyst, which is fluidized by passing gaseous
reactants through it, is employed.
Subclass:
250
This subclass is indented under subclass 247. Processes
wherein the phthalic anhydride is separated from impurities
or from the reaction medium.
Subclass:
251
This subclass is indented under subclass 250. Processes which
include the step of subjecting impurities contaminating
phathalic anhydride to chemical reaction.
Subclass:
252
This subclass is indented under subclass 233. Compounds which
contain the cyclic anhydride and at least one additional
hetero ring which may also be a cyclic anhydride ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
253
This subclass is indented under subclass 233. Compounds
wherein nitrogen or additional chalcogen (i.e., oxygen,
sulfur, selenium or tellurium) is attached directly or
indirectly to the cyclic anhydride by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure] [figure]
Subclass:
254
This subclass is indented under subclass 233. Compounds
wherein halogen is attached directly or indirectly to the
cyclic anhydride by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
255
This subclass is indented under subclass 233. Compounds
wherein an acyclic carbon chain that contains an olefinic or
acetylenic linkage is bonded directly to the cyclic anhydride
ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
256
This subclass is indented under subclass 233. Processes
wherein a five-membered cyclic anhydride is prepared by an
oxidation reaction.
(1) Note. Among the processes provided for herein are:
oxidation of crotonaldehyde to meleic anhydride, oxidation of
furfural to maleic anhydride, and oxidation of mesityl oxide
to citraconic anhydride.
Subclass:
257
This subclass is indented under subclass 256. Processes
wherein the oxidation reaction is performed on benzene or on
a hydrocarbon that contains the benzene ring.
(1) Note. Examples of processes provided for herein are:
oxidation of benzene to maleic anhydride and oxidation of
biphenyl to phenyl maleic anhydride.
Subclass:
258
This subclass is indented under subclass 256. Processes
wherein the oxidation reaction is performed on an acyclic or
alicyclic hydrocarbon.
(1) Note. Examples of processes provided for herein are:
oxidation of butane to maleic anhydride, oxidation of butene
to maleic anhydride, and oxidation of isoprene to citraconic
acid anhydride.
Subclass:
259
This subclass is indented under subclass 258. Processes
wherein vanadium and phosphorus, in compound or elemental
form, are utilized.
(1) Note. The vanadium and phosphorus may both be part of a
single compound; they may each be components of individual
compounds; one or both may be in elemental form; in sum,
vanadium and phosphorus may be utilized in any possible
manner.
Subclass:
260
This subclass is indented under subclass 259. Processes
wherein, in addition to vanadium and phosphorous, a further
heavy metal, other than titanium, is utilized.
(1) Note. Titanium, if utilized alone, does not satisfy the
requirement of this subclass for an additional heavy metal,
whereas the combination of titanium with an additional heavy
metal does satisfy the requirement.
Subclass:
261
This subclass is indented under subclass 233. Compounds
wherein the five-membered cyclic anhydride has a double bond
between two of its ring members.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
262
This subclass is indented under subclass 261. The compound
which has the following structural formula: [figure]
(1) Note. Examples of concepts provided for herein are:
synthesis of maleic anhydride from maleic acid, and
purification and separation of maleic anhydride.
Subclass:
263
This subclass is indented under subclass 200. Compounds
wherein the hetero ring is a lactone, i.e., a cyclic inner
ester, wherein --O- is part of the ring, X is chalcogen
(i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
264
This subclass is indented under subclass 263. Compounds which
contain a spiro ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
265
This subclass is indented under subclass 264. Compounds
wherein at least one of the rings included in the spiro ring
system is a lactone ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
266
This subclass is indented under subclass 263. Compounds in
which the lactone ring has seven or more ring members.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
267
This subclass is indented under subclass 266. Compounds in
which the lactone ring contains two or more ring oxygens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
268
This subclass is indented under subclass 266. Compounds
wherein the lactone ring having at least seven members is a
cyclo in a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
269
This subclass is indented under subclass 268. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
270
This subclass is indented under subclass 269. Compounds
wherein an additional acyclic chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium) is bonded directly to the
lactone ring.
(1) Note. Compounds classified herein have at least two
acyclic chalcogens bonded directly to the lactone ring, one
of which is the chalcogen of the lactone group which is
double bonded directly to the ring.
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
271
This subclass is indented under subclass 266. Compounds
wherein an additional chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is attached directly or indirectly to
the lactone ring by nonionic bonding.
(1) Note. Compounds classified herein have at least two
chalcogens bonded directly or indirectly to the lactone ring,
one of which is the chalcogen of the lactone group which is
double bonded directly to the ring.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
272
This subclass is indented under subclass 266. Processes
wherein the compound containing the lactone ring of seven or
more members is prepared from a cyclic ketone, i.e., a ketone
wherein the carbonyl is part of a ring.
(1) Note. An example of a process provided for herein is:
[figure]
Subclass:
273
This subclass is indented under subclass 263. Compounds in
which the lactone has six ring members, having the following
basic structure, which may contain double bonds between ring
members. [figure]
Subclass:
274
This subclass is indented under subclass 273. Compounds in
which the lactone ring contains two or more ring oxygens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
275
This subclass is indented under subclass 273. Compounds
wherein the six-membered lactone ring is one of the cyclos in
a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
276
This subclass is indented under subclass 275. Compounds
wherein the polycyclo ring system consists of exactly four
rings.
Subclass:
277
This subclass is indented under subclass 276. Compounds
wherein the tetracyclo ring system consists of four
six-membered rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
278
This subclass is indented under subclass 277. Compounds in
which two or more additional chalcogens (i.e., oxygen,
sulfur, selenium, or tellurium) are bonded directly to the
tetracyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
279
This subclass is indented under subclass 276. Compounds
wherein the tetracyclo ring system contains a ring oxygen
bonded directly to a ring carbon, which carbon is a member of
two of the cyclos in the tetracyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
280
This subclass is indented under subclass 275. Compounds
wherein the polycyclo ring system consists of exactly three
rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
281
This subclass is indented under subclass 280. Compounds
wherein (1) at least three ring members of one cyclo are ring
members of an additional cyclo in the tricyclo ring system,
or (2) a ring carbon is a member of each of the cyclos of the
tricyclo ring system.
(1) Note. This subclass provides for bridged and peri-fused
ring systems.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
282
This subclass is indented under subclass 280. Compounds
wherein the tricyclo ring system contains at least one ring
oxygen in addition to the ring oxygen of the six-membered
hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
283
This subclass is indented under subclass 275. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
284
This subclass is indented under subclass 283. Compounds which
contain at least two bicyclo ring systems each of which
contains a six-membered lactone as one of its cyclos.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
285
This subclass is indented under subclass 283. Compounds
wherein an additional acyclic chalcogen is bonded directly to
the six-membered lactone ring.
(1) Note. Compounds classified herein have at least two
acyclic chalcogens bonded directly to the lactone ring, one
of which is the chalcogen of the lactone group which is
double bonded directly to the ring.
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
286
This subclass is indented under subclass 285. Compounds
wherein a benzene ring and the six-membered lactone ring are
both bonded directly to the same acyclic carbon.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
287
This subclass is indented under subclass 283. Compounds in
which an acyclic -- group, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium or tellurium), is bonded directly to
the lactone ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
288
This subclass is indented under subclass 283. Compounds in
which nitrogen is bonded directly to the bicyclo ring
system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
289
This subclass is indented under subclass 283. Compounds
wherein the other cyclo of the bicyclo ring system is a
six-membered carbocyclic ring which has chalcogen (i.e.,
oxygen, sulfur, selenium, or tellurium) bonded directly to
it.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
290
This subclass is indented under subclass 283. Compounds in
which the bicyclo ring system consists of the six-membered
lactone and an additional six-membered ring; said bycyclic
lactone is either unsubstituted or substituted by hydrocarbon
groups only.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
291
This subclass is indented under subclass 273. Compounds in
which an acyclic -- group, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium or tellurium), is bonded directly to
the lactone ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
292
This subclass is indented under subclass 273. Compounds
wherein an additional chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly to the lactone
ring.
(1) Note. Compounds classified herein have at least two
acyclic chalcogens bonded directly to the oxygen-containing
hetero ring, one of which is the chalcogen of the lactone
group which is double bonded directly to the ring.
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
293
This subclass is indented under subclass 273. Compounds in
which nitrogen is attached directly or indirectly to lactone
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
294
This subclass is indented under subclass 273. Compounds in
which there is at least one double bond between ring members
of the lactone ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
295
This subclass is indented under subclass 263. Compounds
wherein the lactone has five members.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
296
This subclass is indented under subclass 295. Compounds
wherein the five-membered lactone ring contains at least two
ring oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
297
This subclass is indented under subclass 295. Compounds
wherein the five-membered lactone is one of the cyclos of a
polycyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
298
This subclass is indented under subclass 297. Compounds
wherein the polycyclo ring system consists of exactly four
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
299
This subclass is indented under subclass 297. Compounds
wherein the polycyclo ring system consists of exactly three
cyclos.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
300
This subclass is indented under subclass 299. Compounds
wherein (1) at least three ring members of one cyclo are ring
members of an additional cyclo in the tricyclo ring system,
or (2) one ring carbon is a member of each of the cyclos of
the tricyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
301
This subclass is indented under subclass 299. Compounds
wherein the tricyclo ring system consists of the
five-membered lactone ring, a five-membered carbocyclic ring
and a three-membered carbocyclic ring.
(1) Note. An example of a compound provided for herein is:
[figure] [figure]
Subclass:
302
This subclass is indented under subclass 297. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
303
This subclass is indented under subclass 302. Compounds
wherein nitrogen is bonded directly to the lactone ring of
the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
304
This subclass is indented under subclass 302. Compounds
wherein nitrogen is attached indirectly to the lactone ring
of the bicyclo ring system by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
305
This subclass is indented under subclass 302. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the lactone ring of the
bicyclo ring system by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
306
This subclass is indented under subclass 302. Compounds
wherein the bicyclo ring system contains at least two ring
oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
307
This subclass is indented under subclass 302. Compounds
wherein the bicyclo ring system consists of the five-membered
lactone ring and a benzene ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
308
This subclass is indented under subclass 307. Compounds
wherein two carbocyclic rings are bonded directly to the same
ring atom of the lactone ring of the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
309
This subclass is indented under subclass 308. Compounds
wherein nitrogen is bonded directly to each of the
carbocyclic rings.
(1) Note. An example of a compound provided herein is:
[figure]
Subclass:
310
This subclass is indented under subclass 307. Compounds
wherein an additional chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly to the bicyclo
ring system.
(1) Note. The chalcogen required by this subclass is in
addition to the double bonded oxygen of the -C-O- grouping of
the lactone ring.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
311
This subclass is indented under subclass 302. Compounds
wherein the bicyclo ring system consists of the five-membered
lactone ring and another five-membered ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
312
This subclass is indented under subclass 311. Compounds
wherein an acyclic carbon chain containing carbon to carbon
unsaturation is attached directly or indirectly to the
lactone ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
313
This subclass is indented under subclass 295. Compounds
wherein an additional chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly to the lactone
ring.
(1) Note. The chalcogen required by this subclass is in
addition to the double bonded oxygen of the --O- grouping of
the lactone ring.
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
314
This subclass is indented under subclass 313. Compounds
wherein two or more additional chalcogens (i.e., oxygen,
sulfur, selenium, or tellurium) are bonded directly to the
lactone ring.
(1) Note. Compounds classified herein have at least three
acyclic chalcogens bonded directly to the oxygen- containing
hetero ring, one of which is the chalcogen of the lactone
group which is double bonded directly to the ring.
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
315
This subclass is indented under subclass 314. Compounds
wherein there is a double bond between ring members of the
lactone ring, or chalcogen (i, e., oxygen, sulfur, selenium,
or tellurium) is double bonded directly at the 3- or 4-
position of the lactone ring.
(1) Note. Example of compounds provided for herein are:
[figure] [figure]
(2) Note. The two compounds of (1) Note, supra, are related
by keto-enol tautomerism.
Subclass:
316
This subclass is indented under subclass 315. Compounds which
are amine addition salts.
(1) Note. An example of a compound provided for herein is:
[figure] [figure]
Subclass:
317
This subclass is indented under subclass 315. Compounds in
which sulfur or a -- group, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium or tellurium), is bonded directly to
a cyclic chalcogen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
318
This subclass is indented under subclass 313. Compounds
wherein an acyclic -- group, in which X is chalcogen (i.e.,
oxygen, sulfur, selenium, or tellurium), is attached directly
or indirectly to the lactone ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
319
This subclass is indented under subclass 313. Compounds
wherein plural alkyl groups are bonded directly to the same
ring carbon of the lactone ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
320
This subclass is indented under subclass 295. Compounds which
contain the five-membered lactone ring and at least one
additional hetero ring, which may also be a five-membered
lactone ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
321
This subclass is indented under subclass 295. Compounds
wherein nitrogen is attached directly or indirectly to the
lactone ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure]
Subclass:
322
This subclass is indented under subclass 295. Compounds
wherein a -- group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly to the
lactone ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
323
This subclass is indented under subclass 295. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the lactone ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
324
This subclass is indented under subclass 295. Compounds
wherein halogen is attached directly or indirectly to the
lactone ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
325
This subclass is indented under subclass 295. Processes
wherein the lactone ring is prepared by hydrogenation of a
cyclic anhydride.
(1) Note. An example of a process provided for herein is:
[figure]
Subclass:
326
This subclass is indented under subclass 295. Processes
wherein the lactone ring is prepared from a compound
containing the --O- group.
(1) Note. An example of a process provided for herein is:
[figure]
(2) Note.The reactant containing the --O- group may be a
lactone itself, which is converted into a five-membered
lactone ring; for example: [figure]
Subclass:
327
This subclass is indented under subclass 263. Compounds in
which acyclic carbon is double bonded directly to a ring
carbon of a four-membered lactone ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
328
This subclass is indented under subclass 263. Processes
whereby a four-membered lactone ring is formed.
(1) Note. An example of a process provided for herein is:
[figure]
Subclass:
329
This subclass is indented under subclass 328. Processes
whereby the four-membered lactone ring is formed from a
ketene.
(1) Note. Ketene is represented by the structure HCH=C=O,
wherein -H may be substituted.
(2) Note. An example of a process provided for herein is:
[figure]
Subclass:
330
This subclass is indented under subclass 200. Compounds which
contain a spiro ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
331
This subclass is indented under subclass 330. Compounds
wherein at least one of the rings in the spiro ring system is
an oxygen containing hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
332
This subclass is indented under subclass 331. Compounds
wherein at least one of the rings in the spiro ring system is
a three- or four-membered oxygen containing hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
333
This subclass is indented under subclass 331. Compounds
wherein at least one of the rings in the spiro ring system
contains two or more ring oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
334
This subclass is indented under subclass 333. Compounds
wherein both of the rings in the spiro ring system are oxygen
containing hetero rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
335
This subclass is indented under subclass 334. Compounds
wherein both of the hetero rings in the spiro ring system are
six-membered rings, each containing at least two ring
oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
336
This subclass is indented under subclass 333. Compounds
wherein one of the two rings which form the spiro ring system
is additionally one of the cyclos of a polycyclo ring
system.
(1) Note. Examples of compounds provided for herein are:
[figure]
[figure]
Subclass:
337
This subclass is indented under subclass 336. Compounds which
contain an additional oxygen containing hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
338
This subclass is indented under subclass 337. Compounds which
contain at least two five-membered oxygen containing hetero
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
339
This subclass is indented under subclass 336. Compounds
wherein one of the two rings which form the spiro ring system
is additionally one of the cyclos of a tricyclo-carbocyclic
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
340
This subclass is indented under subclass 339. Compounds which
contain an acyclic -- group, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium or tellurium).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
341
This subclass is indented under subclass 333. Compounds in
which the spiro hetero ring is a five-membered ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
342
This subclass is indented under subclass 341. Compounds which
contain an acyclic -- group, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium or tellurium).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
343
This subclass is indented under subclass 331. Compounds
wherein both rings in the spiro ring system are oxygen
containing hetero rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
344
This subclass is indented under subclass 343. Compounds
wherein one of the two oxygen containing hetero rings in the
spiro ring system is additionally one of the cyclos of a
polycyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
345
This subclass is indented under subclass 331. Compounds in
which the spiro hetero ring is one of the cyclos in a bicyclo
ring system.
(1) Note. This subclass provides for, inter alia,
griseofulvin and its derivatives, e.g., [figure]
Subclass:
346
This subclass is indented under subclass 200. Compounds in
which the oxygen containing hetero ring has seven or more
ring members.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
347
This subclass is indented under subclass 346. Compounds in
which the hetero ring contains at least two ring oxygens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
348
This subclass is indented under subclass 347. Compounds in
which the hetero ring is one of the cyclos in a polycyclo
ring system.
Subclass:
349
This subclass is indented under subclass 348. Compounds in
which the polycyclo ring system consists of exactly three
cyclos.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
350
This subclass is indented under subclass 348. Compounds in
which the polycyclo ring system consists of exactly two
cyclos.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
351
This subclass is indented under subclass 350. Compounds
wherein the bicyclo ring system contains at least three ring
oxygens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
352
This subclass is indented under subclass 347. Compounds in
which the hetero ring contains at least three ring oxygens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
353
This subclass is indented under subclass 352. Compounds in
which the hetero ring contains exactly four oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
354
This subclass is indented under subclass 346. Compounds in
which the hetero ring is one of the cyclos of a polycyclo
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
355
This subclass is indented under subclass 354. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
356
This subclass is indented under subclass 200. Compounds in
which the oxygen containing hetero ring has six ring
members.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
357
This subclass is indented under subclass 356. Compounds in
which the hetero ring contains at least two ring oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
358
This subclass is indented under subclass 357. Compounds
wherein the hetero ring is one of the cyclos in a polycyclo
ring system.
(1) Note. Examples of compounds provided for herein are:
[figure]
[figure]
Subclass:
359
This subclass is indented under subclass 358. Compounds in
which the polycyclo ring system consists of exactly three
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
360
This subclass is indented under subclass 359. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo in the tricyclo ring system
(i.e., bridged).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
361
This subclass is indented under subclass 359. Compounds
wherein the tricyclo ring system contains at least three ring
oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
362
This subclass is indented under subclass 358. Compounds in
which the polycyclo ring system consists of exactly two
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
363
This subclass is indented under subclass 362. Compounds
wherein at least three ring members of one cyclo are ring
members of the other cyclo in the bicyclo ring system (i.e.,
bridged).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
364
This subclass is indented under subclass 362. Compounds
wherein the bicyclo ring system contains at least three ring
oxygens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
365
This subclass is indented under subclass 362. Compounds in
which the hetero ring consists of two ring oxygens and four
ring carbons wherein the ring oxygens are in the
1,2-positions or 1,3-positions of the hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
366
This subclass is indented under subclass 362. Compounds in
which nitrogen is attached indirectly to the hetero ring by
acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
367
This subclass is indented under subclass 357. Compounds in
which the hetero ring contains at least three ring oxygens.
(1) Note. Examples of compounds provided for herein are:
[figure]
[figure]
Subclass:
368
This subclass is indented under subclass 367. The compound
which has the following structure: [figure]
(1) Note. This subclass provides for trioxane, per se, and
processes for the production, purification, separation, etc.,
of trioxane.
Subclass:
369
This subclass is indented under subclass 357. Compounds in
which the hetero ring consists of two ring oxygens and four
ring carbons wherein the ring oxygens are in the
1,3-positions of the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
370
This subclass is indented under subclass 369. Compounds which
contain an additional oxygen containing hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
371
This subclass is indented under subclass 369. Compounds in
which nitrogen is bonded directly to the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
372
This subclass is indented under subclass 369. Compounds in
which chalcogen (i.e., sulfur selenium, or tellurium) or a --
group, wherein X is chalcogen, is bonded directly to the
hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
373
This subclass is indented under subclass 369. Compounds in
which nitrogen is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
374
This subclass is indented under subclass 369. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
375
This subclass is indented under subclass 374. Compounds
wherein the chalcogen, X, is in a -C- group.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
376
This subclass is indented under subclass 369. Processes in
which an aldehyde is reacted with a compound containing
acyclic carbon to carbon unsaturation to prepare a
1,3-dioxane compound.
(1) Note. This subclass provides for processes such as the
preparation of 4,4-dimethyl-1,3-dioxane from isobutylene and
formaldehyde, etc. [figure]
Subclass:
377
This subclass is indented under subclass 357. Compounds in
which the hetero ring consists of two ring oxygens and four
ring carbons wherein the ring oxygens are in the
1,4-positions of the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
378
This subclass is indented under subclass 377. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly or indirectly to the hetero
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
379
This subclass is indented under subclass 378. Compounds in
which at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are bonded directly to the hetero
ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
380
This subclass is indented under subclass 377. Compounds in
which halogen is attached directly or indirectly to the
hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
381
This subclass is indented under subclass 356. Compounds in
which the hetero ring is one of the cyclos in a polycyclo
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
382
This subclass is indented under subclass 381. Compounds
wherein the polycyclo ring system consists of exactly five
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
383
This subclass is indented under subclass 381. Compounds
wherein the polycyclo ring system consists of exactly four
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
384
This subclass is indented under subclass 383. Compounds
wherein the four rings of the tetracyclo ring system are each
six membered.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
385
This subclass is indented under subclass 381. Compounds
wherein the polycyclo ring system consists of exactly three
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
386
This subclass is indented under subclass 385. Compounds
wherein (1) at least three ring members of one cyclo are ring
members of an additional cyclo in the tricyclo ring system,
or (2) a ring carbon is a member of each of the cyclos of the
tricyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
387
This subclass is indented under subclass 385. Compounds
wherein the tricyclo ring system includes at least one ring
oxygen in addition to the ring oxygen of the six-membered
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
388
This subclass is indented under subclass 385. Compounds
wherein the three rings of the tricyclo ring system are each
six-membered.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
389
This subclass is indented under subclass 388. Compounds
wherein the tricyclo ring system consists of a naphthalene
ring system, which may be hydrogenated, sharing two adjacent
carbons with the six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
390
This subclass is indented under subclass 388. Compounds
wherein the tricyclo ring system has the following basic
structure which may contain double bonds between ring
members.
(1) Note. An example of a compound provided for herein is:
[figure] [figure]
Subclass:
391
This subclass is indented under subclass 390. Compounds in
which at least two chalcogens are bonded directly to the
tricyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
392
This subclass is indented under subclass 388. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the hetero ring of the
tricyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
393
This subclass is indented under subclass 392. Compounds in
which a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
tricyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
394
This subclass is indented under subclass 388. Compounds in
which nitrogen is bonded directly to the tricyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
395
This subclass is indented under subclass 385. Compounds in
which acyclic chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the hetero ring of the
tricyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
396
This subclass is indented under subclass 381. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
397
This subclass is indented under subclass 396. Compounds
wherein at least three ring members of one cyclo are ring
members of the other cyclo in the bicyclo ring system (i.e.,
bridged).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
398
This subclass is indented under subclass 396. Compound in
which the bicyclo ring system consists of the six-membered
hetero ring and a six-member carbocyclic ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
399
This subclass is indented under subclass 398. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the hetero ring of the
bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
400
This subclass is indented under subclass 399. Compounds
wherein at least two chalcogens are bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
401
This subclass is indented under subclass 399. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the ring carbon in the
position which is para to the ring oxygen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
402
This subclass is indented under subclass 401. Compounds in
which a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
403
This subclass is indented under subclass 401. Compounds in
which a benzene ring is bonded directly to the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
404
This subclass is indented under subclass 398. Compounds in
which nitrogen is bonded directly to the bicyclo ring
system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
405
This subclass is indented under subclass 398. Compounds in
which a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
bicyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
406
This subclass is indented under subclass 398. Compounds in
which a carbocyclic ring is bonded directly to the hetero
ring of the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
407
This subclass is indented under subclass 398. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) or nitrogen is attached indirectly to the hetero
ring by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
408
This subclass is indented under subclass 398. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the carbocyclic ring of the
bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
409
This subclass is indented under subclass 408. Compounds in
which chalcogen is double bonded or at least two chalcogens
are bonded directly to the carbocyclic ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
410
This subclass is indented under subclass 408. Compound
wherein the singly bonded chalogen of a --X-group, in which
the X's are the same or diverse chalcogens (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
carbocyclic ring of the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
411
This subclass is indented under subclass 408. Processes
wherein a 1,4-di-oxygen substituted carbocyclic ring is
utilized as a reactant.
(1) Note. This subclass provides for processes utilizing
l,4-benzoquinones and 1,4-dihydroxy benzene compounds, inter
alia, as reactants.
(2) Note. An example of a process provided for herein is:
[figure] [figure]
Subclass:
412
This subclass is indented under subclass 408. Processes
whereby substituents on the carbocyclic ring of the bicyclo
ring system are modified chemically.
Subclass:
413
This subclass is indented under subclass 408. Processes
whereby the product is separated from impurities or from the
reaction medium.
Subclass:
414
This subclass is indented under subclass 356. Compounds which
contain an additional oxygen containing hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
415
This subclass is indented under subclass 414. Compounds
wherein the additional oxygen containing hetero ring is
six-membered.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
416
This subclass is indented under subclass 356. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
417
This subclass is indented under subclass 416. Compounds
wherein at least two chalcogens are bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
418
This subclass is indented under subclass 417. Compounds in
which hydroxy is bonded directly at the 3-position and oxygen
is double bonded directly at the 4-position of the hetero
ring, wherein the -H of the hydroxy may be replaced by a
substituted or unsubstituted ammonium ion or a Group IA or
IIA light metal.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
419
This subclass is indented under subclass 416. Compounds in
which nitrogen is attached directly or indirectly to the
hetero ring by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
420
This subclass is indented under subclass 416. Compounds in
which a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is attached directly or
indirectly to the hetero ring by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
421
This subclass is indented under subclass 416. Compounds in
which an alicyclic ring is bonded directly to the chalcogen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
422
This subclass is indented under subclass 416. Compounds
containing a carbocyclic ring which has at least two
substituents, one of which contains the hetero ring and
another one of which contains a -COO- group.
(1) Note. An example of compound provided for herein is:
[figure]
Subclass:
423
This subclass is indented under subclass 416. Compounds in
which hydroxy or halogen is attached directly or indirectly
to the hetero ring by acyclic nonionic bonding, wherein the
-H of the hydroxy may be replaced by a substituted or
unsubstituted ammonium ion or a Group IA OR IIA light metal.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
424
This subclass is indented under subclass 356. Compounds in
which nitrogen is bonded directly to the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
425
This subclass is indented under subclass 356. Compounds
wherein a -- group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
426
This subclass is indented under subclass 356. Compounds
wherein nitrogen is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
427
This subclass is indented under subclass 356. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
428
This subclass is indented under subclass 356. Compounds in
which halogen is attached directly or indirectly to the
hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
429
This subclass is indented under subclass 200. Compounds
wherein the oxygen containing hetero ring has five ring
members.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
430
This subclass is indented under subclass 429. Compounds
wherein the hetero ring contains at least two ring oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
431
This subclass is indented under subclass 430. Compounds
wherein the hetero ring contains at least three ring
oxygens.
(1) Note. Ozonides are included herein. These products are
usually formed by combining ozone with compounds containing a
carbon-to-carbon multiple bond.
Subclass:
432
This subclass is indented under subclass 430. Compounds
wherein the hetero ring is one of the cyclos of a polycyclo
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
433
This subclass is indented under subclass 432. Compounds
wherein the polycyclo ring system consists of exactly three
rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
434
This subclass is indented under subclass 432. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
435
This subclass is indented under subclass 434. Compounds
wherein at least two hetero rings are present.
(1) Note. The compounds provided for herein include those
wherein both rings of the bicyclo ring system are hetero, as
well as those wherein one hetero ring is part of the bicyclo
ring system and the other hetero ring may be monocyclic or
part of a different bicyclo ring system.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
436
This subclass is indented under subclass 434. Compounds
wherein a -- group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
437
This subclass is indented under subclass 434. Compounds
wherein the acyclic chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly to the bicyclo
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
438
This subclass is indented under subclass 437. Compounds
wherein a -- group, in which X is chalcogen (i.e. oxygen,
sulfur, selenium or tellurium), is attached indirectly to the
bicyclo ring system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
439
This subclass is indented under subclass 434. Compounds
wherein nitrogen is bonded directly to the bicyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
440
This subclass is indented under subclass 434. Compounds
wherein nitrogen is attached indirectly to the bicyclo system
by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
441
This subclass is indented under subclass 440. Compounds
wherein the nitrogen is bonded directly to a X -- group, in
which X is chalcogen (i.e., oxygen, sulfur, selenium or
tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
442
This subclass is indented under subclass 440. Compounds
wherein the nitrogen is attached directly to carbon by a
double or triple bond.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
443
This subclass is indented under subclass 440. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the bicyclo ring system
by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
444
This subclass is indented under subclass 443. Compounds in
which the chalogen, X, is in a -- group.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
445
This subclass is indented under subclass 434. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the bicyclo ring system
by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
446
This subclass is indented under subclass 445. Compounds in
which the chalcogen, X, is in a -- group.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
447
This subclass is indented under subclass 446. Compounds in
which the -- is part of a --X- group, wherein the X's are the
same or diverse chalcogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
448
This subclass is indented under subclass 430. Compounds which
contain at least two hetero rings, which may be the same or
different.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
449
This subclass is indented under subclass 430. Compounds
wherein nitrogen or chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly to the hetero
ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
450
This subclass is indented under subclass 430. Compounds
wherein a -- group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
451
This subclass is indented under subclass 430. Compounds
wherein nitrogen is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
452
This subclass is indented under subclass 451. Compounds in
which the nitrogen is bonded directly to a -- group, wherein
X is chalcogen (i.e., oxygen, sulfur, selenium or
tellurium).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
453
This subclass is indented under subclass 430. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
454
This subclass is indented under subclass 453. Compounds
wherein the chalcogen, X, is in a -- group.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
455
This subclass is indented under subclass 430. Compounds
wherein halogen is attached directly or indirectly to the
hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
456
This subclass is indented under subclass 429. Compounds
wherein the hetero ring is one of the cyclos of a polycyclo
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
457
This subclass is indented under subclass 456. Compounds
wherein the polycyclo ring system consists of exactly four
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
458
This subclass is indented under subclass 456. Compounds
wherein the polycyclo ring system consists of exactly three
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
459
This subclass is indented under subclass 458. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo in the tricyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
460
This subclass is indented under subclass 458. Compounds
wherein the hetero ring shares ring members with two
six-membered carbocyclic rings, which may contain double
bonds between ring members.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
461
This subclass is indented under subclass 460. Compounds
wherein a -- group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is attached directly or
indirectly to the ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
462
This subclass is indented under subclass 456. Compounds
wherein the polycyclo ring system consists of exactly two
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
463
This subclass is indented under subclass 462. Compounds
wherein three ring members of one cyclo are ring members of
the other cyclo in the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
464
This subclass is indented under subclass 462. Compounds
wherein at least two ring oxygens are present in the bicyclo
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
465
This subclass is indented under subclass 462. Compounds
wherein the bicyclo ring system consists of two five-membered
cyclos.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
466
This subclass is indented under subclass 462. Compounds
wherein acyclic chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
467
This subclass is indented under subclass 462. Compounds
wherein nitrogen is attached directly to the hetero ring or
is attached indirectly to the hetero ring by acyclic nonionic
bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
468
This subclass is indented under subclass 462. Compounds
wherein a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
469
This subclass is indented under subclass 462. Compounds
wherein a benzene ring is bonded directly to the hetero
ring.
(1) Note. An example of a compound provided for herein is:
Subclass:
470
This subclass is indented under subclass 462. Compounds
wherein the singly bonded chalcogen of a --X- group, in which
the X's are the same or diverse chalcogens (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
carbocyclic ring of the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
471
This subclass is indented under subclass 462. Compounds
wherein there are plural double bonds between ring members of
the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
472
This subclass is indented under subclass 429. Compounds
wherein at least two hetero rings, which may be the same or
different, are present.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
473
This subclass is indented under subclass 472. Compounds in
which an acyclic -- group, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium or tellurium), is attached directly
or indirectly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
474
This subclass is indented under subclass 429. Compounds
wherein a cyano group (-C=N) is bonded directly to the hetero
ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
475
This subclass is indented under subclass 429. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
476
This subclass is indented under subclass 475. Compounds
wherein at least two chalcogens are bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
477
This subclass is indented under subclass 476. Compounds
wherein at least one chalcogen is doubled bonded directly to
the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
478
This subclass is indented under subclass 476. Compounds in
which a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is attached directly or
indirectly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
479
This subclass is indented under subclass 475. Compounds
wherein there is a double bond between ring members of the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
480
This subclass is indented under subclass 429. Compounds
wherein nitrogen is bonded directly to the hetero ring.
(1) Note. An example of a compound provided for herein is:
Subclass:
481
This subclass is indented under subclass 480. Compounds
wherein a nitro group (-NO[subscrpt]2[end subscrpt]) is
bonded directly to the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
482
This subclass is indented under subclass 481. Compounds
wherein the hetero ring and an additional nitrogen are bonded
directly to the same carbon.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
483
This subclass is indented under subclass 429. Compounds in
which a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
484
This subclass is indented under subclass 483. Compounds in
which the -- is part of a --X- group, wherein the X's are the
same or diverse chalcogens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
485
This subclass is indented under subclass 484. Compounds
wherein at least two --X- groups are bonded directly to the
hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
486
This subclass is indented under subclass 484. Compounds in
which the carbon of the --X- group is bonded directly at the
3-position of the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
487
This subclass is indented under subclass 483. Compounds
wherein nitrogen is bonded directly to the -C- group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
488
This subclass is indented under subclass 483. Compounds
wherein an additional chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is attached indirectly to the hetero
ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
489
This subclass is indented under subclass 483. Processes for
the preparation of furfural, per se.
(1) Note. Furfural is: [figure]
Subclass:
490
This subclass is indented under subclass 483. Processes
wherein furfural is separated from impurities or from the
reaction medium.
Subclass:
491
This subclass is indented under subclass 429. Compounds
wherein nitrogen is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
492
This subclass is indented under subclass 491. Compounds
wherein nitrogen and the hetero ring are single bonded
directly to the same acyclic saturated hydrocarbon group.
(1) Note. The expression "acyclic saturated hydrocarbon
group" refers to alkylene.
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
493
This subclass is indented under subclass 492. Compounds
wherein the nitrogen is bonded directly to a -- group, in
which X is chalcogen (i.e., oxygen, sulfur, selenium or
tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
494
This subclass is indented under subclass 492. Compounds in
which a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is attached indirectly to the
hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
495
This subclass is indented under subclass 492. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium or
tellurium) is attached indirectly to the hetero ring by
acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
496
This subclass is indented under subclass 491. Compounds
wherein a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is attached indirectly to the
hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
497
This subclass is indented under subclass 429. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the hetero ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
498
This subclass is indented under subclass 497. Compounds
wherein the chalcogen, X, is in a -- group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
499
This subclass is indented under subclass 498. Compounds in
which the -- is part of a --X- group, wherein the X's are the
same or diverse chalcogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
500
This subclass is indented under subclass 499. Compounds
wherein at least two --X- groups are attached indirectly to
the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
501
This subclass is indented under subclass 499. Compounds
wherein an additional chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is attached indirectly to the hetero
ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
502
This subclass is indented under subclass 497. Compounds
wherein at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are attached indirectly to the hetero
ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
503
This subclass is indented under subclass 497. Processes
wherein furfural is hydrogenated to yield a compound wherein
oxygen is attached indirectly to the hetero ring by nonionic
bonding.
(1) Note. An example of a process provided for herein is:
[figure]
Subclass:
504
This subclass is indented under subclass 429. Compounds
wherein halogen is attached directly or indirectly to the
hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
505
This subclass is indented under subclass 429. Compounds which
contain plural double bonds between ring members of the
hetero ring.
(1) Note. This subclass provides for furan, per se, and for
processes relating to the production, purification,
separation, etc., of furan.
(2) Note. The structural formula of furan is: [figure]
Subclass:
506
This subclass is indented under subclass 505. Compounds
wherein the hetero ring is hydrocarbyl substituted.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
507
This subclass is indented under subclass 429. Compounds
wherein exactly one double bond is present between ring
members of the hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
508
This subclass is indented under subclass 429. Processes
wherein the five-membered hetero ring is prepared from a
compound that contains a -C-O- group.
(1) Note. An example of a process provided for herein is:
[figure]
Subclass:
509
This subclass is indented under subclass 429. Processes
wherein the five-membered hetero ring is prepared from a
compound that contains a hydroxy group.
(1) Note. An example of a process provided for herein is:
[figure]
Subclass:
510
This subclass is indented under subclass 200. Compounds in
which the oxygen containing hetero ring has four ring
members.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
511
This subclass is indented under subclass 510. Compounds
wherein sulfur or halogen is attached directly or indirectly
to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
512
This subclass is indented under subclass 200. Compounds which
contain a three-membered ring consisting of one ring oxygen
and two ring carbons: [figure]
(1) Note. This subclass does not provide for polymerized
oxirane compounds, e.g., polyethylene oxide, polypropylene
oxide, etc.
(2) Note. The three-membered ring provided for herein is
frequently referred to as an epoxide, even though the term
"epoxide" includes oxygen containing rings having more than
three members.
Subclass:
513
This subclass is indented under subclass 512. Processes for
producing, purifying, or recovering an oxirane containing
compound.
Subclass:
514
This subclass is indented under subclass 513. Processes which
include obtaining a glycidyl moiety by a condensation
reaction of an epihalohydrin, (X=halogen) or a glycerol mono-
or di-halohydrin, [figure]
(1) Note. The glycidyl moiety is represented by the
following basic structure. [figure]
Subclass:
515
This subclass is indented under subclass 514. Processes which
include bonding oxy of a -C(=O)O- group to the acyclic carbon
of the glycidyl moiety to form an ester: [figure]
Subclass:
516
This subclass is indented under subclass 514. Processes which
include bonding oxygen to the acyclic carbon of the glycidyl
moiety to form an ether: [figure]
Subclass:
517
This subclass is indented under subclass 516. Processes
wherein the glycidyl ether oxygen is bonded to a benzene
ring.
(1) Note. An example of a compound prepared by the process
herein is: [figure]
Subclass:
518
This subclass is indented under subclass 513. Processes which
include the formation of an oxirane ring.
Subclass:
519
This subclass is indented under subclass 518. Processes
wherein the functional group -- in an aldehyde or ketone
undergoes a reaction to form an oxirane ring.
Subclass:
520
This subclass is indented under subclass 518. Processes
wherein (1) a halchydrin (X=halogen) is dehydrohalogenated to
form an oxirane ring or (2) a hypohalite or hypohalous acid
reacts with an ethylenically unsaturated compound at the site
of ethylenic unsaturation.
(1) Note. The hypohalite or hypohalous acid may be formed
in situ, e.g., from X[subscrpt]2[end subscrpt] and
H[subscrpt]2[end subscrpt]O.
Subclass:
521
This subclass is indented under subclass 520. Processes of
forming a glycidyl containing compound wherein bonded
directly to the acyclic carbon of the glycidyl moiety is
chalcogen (e.g., oxygen, sulfur, selenium, or tellurium),
cyano (i.e., -C=N), nitrogen, or halogen.
(1) Note. This subclass includes the formation of glycidyl
ethers, esters, amides, etc. The compounds formed have the
following basic structure, where X=chalcogen, -CN, -N,
halogen. [figure]
Subclass:
522
This subclass is indented under subclass 520. Processes
wherein the substituents on the oxirane ring of the compound
formed are limited to hydrogen or hydrocarbon groups.
Subclass:
523
This subclass is indented under subclass 518. Processes for
reacting an ethylenically unsaturated compound with an
oxidizing agent so that oxygen supplied by the oxidizing
agent forms an oxirane ring at the site of ethylenic
unsaturation.
Subclass:
524
This subclass is indented under subclass 523. Processes
wherein a reactant is in liquid form or wherein the reaction
takes place in a substance which is liquid during the
reaction.
Subclass:
525
This subclass is indented under subclass 524. Processes
wherein the oxidizing agent includes an organic peracid.
Subclass:
526
This subclass is indented under subclass 525. Processes
wherein the organic peracid is formed from a carboxylic acid
and hydrogen peroxide in the epoxidation reaction medium
rather than having been preformed and added to said reaction
medium.
Subclass:
527
This subclass is indented under subclass 526. Processes
wherein a naturally occurring unsaturated higher fatty acid
having seven or more carbon atoms bonded to a carboxyl group,
or an unsaturated derivative thereof, is epoxidized.
(1) Note. The term "derivative", as used herein, includes
those chemical modifications which involve the conversion of
the carboxyl group into a carbonylic derivative thereof which
on hydrolysis reverts to the carboxyl group, e.g., salts,
amides, esters, acid halides, and acid anhydrides, etc.
Subclass:
528
This subclass is indented under subclass 525. Processes
wherein a naturally occurring unsaturated fatty acid having
seven or more carbon atoms bonded to a carboxyl group, or
unsaturated derivative thereof, is epoxidized.
(1) Note. The term "derivative", as used herein, includes
those chemical modifications which involve the conversion of
the carboxyl group into a carbonylic derivative thereof which
on hydrolysis reverts to the carboxyl group; e.g., salts,
amides, esters, acid halides, and acid anhydrides, etc.
Subclass:
529
This subclass is indented under subclass 524. Processes in
which the oxidizing agent includes R-OOH, wherein R is a
organic radical.
SEE OR SEARCH THIS CLASS, SUBCLASS:
525 for a process of forming an oxirane ring wherein an
organic peracid is utilized.
Subclass:
530
This subclass is indented under subclass 529. Processes
wherein a boron containing catalyst is utilized.
Subclass:
531
This subclass is indented under subclass 524. Processes
wherein the epoxidizing agent includes H[subscrpt]2[end
subscrpt]O[subscrpt]2[end subscrpt].
SEE OR SEARCH THIS CLASS, SUBCLASS:
526 for processes wherein a peracid is also present.
Subclass:
532
This subclass is indented under subclass 524. Processes
wherein the epoxidizing agent includes a gas containing
molecular oxygen.
Subclass:
533
This subclass is indented under subclass 532. Processes
wherein a catalyst which contains a metal having a specific
gravity greater than 4 is present.
Subclass:
534
This subclass is indented under subclass 523. Processes
wherein a silver containing catalyst is employed.
Subclass:
535
This subclass is indented under subclass 534. Processes
wherein the catalyst particles are fluidized by passing
gaseous reactants upward through them.
Subclass:
536
This subclass is indented under subclass 534. Processes
wherein a material containing a metal having a specific
gravity greater than 4, in addition to the silver, is
utilized.
Subclass:
537
This subclass is indented under subclass 534. Processes
wherein a material which contains a Group IIA light metal is
utilized.
Subclass:
538
This subclass is indented under subclass 534. Processes which
include separating an oxirane containing compound from an
impurity or by-product.
Subclass:
539
This subclass is indented under subclass 513. Processes
wherein an ether group or -COO- group is formed.
Subclass:
540
This subclass is indented under subclass 513. Processes
wherein the oxirane containing compound is formed by
isomerization, halogenation, hydrogenation, or
dehydrohalogenation.
Subclass:
541
This subclass is indented under subclass 513. Processes which
include separating an oxirane containing compound from an
impurity or by-product.
Subclass:
542
This subclass is indented under subclass 541. Processes
whereby the purification or recovery is effected by
adsorption or by chemical reaction with an impurity.
Subclass:
543
This subclass is indented under subclass 512. Compounds
wherein the oxirane ring is a cyclo in a polycyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
544
This subclass is indented under subclass 543. Compounds in
which the polycyclo ring system consists of exactly four
cyclos.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
545
This subclass is indented under subclass 543. Compounds
wherein the polycyclo ring system consists of exactly three
cyclos.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
546
This subclass is indented under subclass 543. Compounds
wherein the polycyclo ring system consists of exactly two
cyclos.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
547
This subclass is indented under subclass 546. Compounds which
contain at least two bicyclo ring systems, each having a
hetero ring as one of the cyclos.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
548
This subclass is indented under subclass 512. Compounds in
which a -- group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium or tellurium), is bonded directly to the
oxirane ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
549
This subclass is indented under subclass 548. Compounds in
which the -- is part of a --X-group, wherein the X's are the
same or different chalcogens (i.e., oxygen, sulfur, selenium
or tellurium).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
550
This subclass is indented under subclass 512. Compounds in
which cyano (i.e., -C=N), nitrogen, or halogen is bonded
directly to the oxirane ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
551
This subclass is indented under subclass 512. Compounds in
which nitrogen is attached indirectly to the oxirane ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
552
This subclass is indented under subclass 551. Compounds
wherein cyano (i.e., -C=N) or nitrogen and the oxirane ring
are bonded directly to the same carbon.
(1) Note. Examples of compounds provided for herein are:
[figure]
[figure]
Subclass:
553
This subclass is indented under subclass 551. Compounds
wherein the nitrogen is additionally bonded directly to a --
group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium
or tellurium).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
554
This subclass is indented under subclass 512. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the oxirane ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
555
This subclass is indented under subclass 554. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) and the oxirane ring are both bonded directly to
the same carbon.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
556
This subclass is indented under subclass 555. Compounds in
which sulfur or a -- group, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium or tellurium), is attached
indirectly to the oxirane ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
557
This subclass is indented under subclass 556. Compounds in
which the chalcogen, X, is in a --X- group or in a -X-X-
group, wherein the X's are the same or diverse chalcogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
558
This subclass is indented under subclass 555. Compound in
which halogen is attached indirectly to the oxirane ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
559
This subclass is indented under subclass 558. Compounds which
contain a carbocyclic ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
560
This subclass is indented under subclass 555. Compounds which
contain a carbocyclic ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
561
This subclass is indented under subclass 554. Compounds in
which the chalcogen, X, is part of a --X- group, wherein the
X's are the same or diverse chalcogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
562
This subclass is indented under subclass 561. Compounds in
which an additional -C(=X)- group or sulfur, other than as
part of the -C(=X)X- group, is attached indirectly to the
oxirane ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
563
This subclass is indented under subclass 512. Compounds
wherein halogen is attached indirectly to the oxirane ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Information Products Division -- Contacts
Questions regarding this report should be directed to:
U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov
Last Modified: 6 October 2000