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U.S. Patent Classification System - Classification Definitions
as of June 30, 2000
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Class 546
ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
Class Definition:
LINES WITH OTHER CLASSES AND WITHIN THIS CLASS
In this series of classes, Class 546 is to be considered as
an integral part of Class 260 (after subclass 544) and
follows the schedule hierarchy retaining all pertinent
definitions and class lines of Class 260.
SUBCLASSES
Subclass:
1
Hetero ring is six-membered consisting of one nitrogen and
five carbons:
This subclass is indented under subclass 1. Compounds under
Class 540, ... which contain a six-membered hetero ring
consisting of one nitrogen and five carbon atoms.
SEE OR SEARCH CLASS:
588, Hazardous or Toxic Waste Destruction or Containment,
appropriate subclasses for the destruction of hazardous or
toxic waste.
Subclass:
2
Heavy metal or aluminum containing:
This subclass is indented under subclass 1. Compounds which
include aluminum or a metal having a specific gravity greater
than four.
(1) Note. Arsenic is considered a metal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
13 for compounds containing boron.
14 for compounds containing silicon.
Subclass:
3
Arsenic containing:
This subclass is indented under subclass 2. Compounds which
contain arsenic.
Subclass:
4
The metal bonded directly to carbon, which carbon is a ring
carbon of the six-membered hetero ring or which carbon is
attached directly or indirectly to the six-membered hetero
ring by nonionic bonding:
This subclass is indented under subclass 2. Compounds wherein
the metal is bonded directly (a) to a ring carbon of the
six-membered hetero ring, or (b) to a carbon atom which
additionally is attached directly or indirectly to the
six-membered hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
(2) Note. Excluded from this subclass are compounds such
as, e.g., Figure 1 below which require "doubling back"
through the metal to satisfy the conditions necessary for
inclusion here.: [figure]
Subclass:
5
The metal is bonded directly to chalcogen of a -C(=X)X-
group, wherein the X's are the same or diverse chalcogens,
which group is attached directly or indirectly to the
six-membered hetero ring by nonionic bonding:
This subclass is indented under subclass 2. Compounds wherein
the metal is bonded directly to the singly bonded chalcogen
of a group, in which the X's are the same or diverse
chalcogens (i.e., oxygen, sulfur, selenium, or tellurium),
which group is additionally attached directly or indirectly
to the six-membered hetero ring by nonionic bonding.
(1) Note. These compounds are usually referred to as
"salts".
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
6
The metal is bonded directly to chalcogen which chalcogen is
attached directly or indirectly to the six-membered hetero
ring by nonionic bonding:
This subclass is indented under subclass 2. Compounds wherein
the metal is bonded directly to a chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium) which is attached directly or
indirectly to the six-membered hetero ring by nonionic
bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
7
The chalcogen is bonded directly to ring carbon of a
quinoline ring system (including hydrogenated):
This subclass is indented under subclass 6. Compounds wherein
the chalcogen (i.e., oxygen, sulfur, selenium, or tellurium)
is attached directly to a ring carbon of a quinoline ring
system; said ring system, having the following basic
structure, may contain double bonds between ring members:
[figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
8
The metal is in an anion and the six-membered hetero ring is
in a cation:
This subclass is indented under subclass 2. Compounds wherein
the metal is in an anion, i.e., a group with a negative
charge, and the six-membered hetero ring is in a cation,
i.e., a group with a positive charge.
(1) Note. These compounds are usually pyridinium salts of
metallates, e.g., [figure] [figure]
(2) Note. An additional example of a compound provided for
herein is: [figure] [figure]
Subclass:
9
The metal is bonded directly to halogen in the anion:
This subclass is indented under subclass 8. Compounds in
which the metal in the anion is bonded directly to halogen;
i.e., a metal-halogen bond.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
10
Polycyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 2. Compounds wherein
the six-membered hetero ring is a cyclo in a polycyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
11
Piperidine containing:
This subclass is indented under subclass 2. Compounds which
contain a piperidine ring, i.e., a six-membered hetero ring
consisting of one ring nitrogen and five ring carbons with no
double bonds between ring members.
Subclass:
12
Azide or acyclic nitrogen containing:
This subclass is indented under subclass 2. Compounds which
contain an acyclic nitrogen atom or an azide group.
(1) Note. The azide has been considered to be cyclic, as
well as acyclic, [figure]
(2) Note. An example of a compound provided for herein is:
[figure] [figure]
Subclass:
13
Boron containing:
This subclass is indented under subclass 1. Compounds which
contain boron.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
14
Silicon containing:
This subclass is indented under subclass 1. Compounds which
contain silicon.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
15
Spiro:
This subclass is indented under subclass 1. Compounds which
contain a spiro ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
16
The spiro includes the six-membered hetero ring:
This subclass is indented under subclass 15. Compounds
wherein at least one of the rings in the spiro ring system is
the six-membered hetero ring which consists of one ring
nitrogen and five ring carbons.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
17
Polycyclo ring system having one of the two rings which form
the spiro as one of the cyclos:
This subclass is indented under subclass 16. 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. An example of a compound provided for herein is:
[figure]
Subclass:
18
Polycyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 17. Compounds
wherein the six-membered hetero ring is one of the cyclos of
the polycyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
19
At Least three ring hetero atoms in the two rings which form
the spiro:
This subclass is indented under subclass 16. Compounds
wherein the spiro ring system contains at least two ring
hetero atoms in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
20
At least three ring nitrogens in the two rings which form the
spiro:
This subclass is indented under subclass 19. Compounds
wherein the spiro ring system includes at least two ring
nitrogen atoms in addition to the one ring nitrogen of the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
21
Phosphorus attached directly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 1. Compounds wherein
phosphorus is attached directly to the six-membered hetero
ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
22
Phosphorus attached indirectly to the six-membered hetero
ring by nonionic bonding:
This subclass is indented under subclass 1. Compounds wherein
phosphorus is attached indirectly to the six-membered hetero
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
23
Polycyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 22. Compounds
wherein the six-membered hetero ring is one of the cyclos of
a polycyclo ring system.
(1) Note. Compounds in which phosphorus is attached
directly by nonionic bonding to any ring of the polycyclo
ring system other than the six-membered hetero ring are
provided for herein as the attachment of the phosphorus to
the six-membered hetero ring is considered to be indirect.
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
24
Chalcogen bonded directly to ring carbon fo the six-membered
hetero ring:
This subclass is indented under subclass 22. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to a ring carbon of the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
25
The phosphorus is bonded directly to the chalcogen:
This subclass is indented under subclass 24. Compounds in
which the phosphorus is bonded directly to the chalcogen
(i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
26
Polycyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 1. Compounds wherein
the six-membered 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:
27
The polycyclo ring system has at least ten cyclos and at
least four ring nitrogens:
This subclass is indented under subclass 26. Compounds
wherein the polycyclo ring system contains at least ten
cyclos and at least four ring nitrogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
28
Nonacyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 26. Compounds in
which the polycyclo ring system consists of exactly nine
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
29
The six-membered hetero ring shares ring nitrogen with a
five-membered cyclo which contains additional ring nitrogen:
This subclass is indented under subclass 28. Compounds
wherein the nitrogen atom of the six-membered hetero ring is
also a member of a five-membered cyclo which contains
additional ring nitrogen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
30
Octacyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 26. Compounds in
which the polycyclo ring system consists of exactly eight
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
31
Plural ring hetero atoms in the octacyclo ring system (e.g.,
flavanthrone, cepharanthrine, etc.):
This subclass is indented under subclass 30. Compounds
wherein the octacyclo ring system includes at least one ring
hetero atom in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
32
At least four ring nitrogens in the octacyclo ring system
(e.g., naphthoylene dibenzimidazole, etc.):
This subclass is indented under subclass 31. Compounds
wherein the octacyclo ring system contains at least four ring
nitrogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
33
Heptacyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 26. Compounds in
which the polycyclo ring system consists of exactly seven
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
34
Two of the cyclos share at least three ring members (e.g.,
protoveratrine, etc.):
This subclass is indented under subclass 33. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo in the heptacyclo ring system
(i.e., bridged).
(1) Note. An example of a compound included herein is:
[figure]
Subclass:
35
At least three ring hetero atoms in the heptacyclo ring
system:
This subclass is indented under subclass 34. Compounds
wherein the heptacyclo ring system includes at least two ring
hetero atoms in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
36
Plural ring hetero atoms in the heptacyclo ring system:
This subclass is indented under subclass 33. Compounds
wherein the heptacyclo ring system includes at least one ring
hetero atom in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
37
Ring carbon is shared by three of the cyclos (e.g., perylene
tetracarboxylic acid diimide, etc.):
This subclass is indented under subclass 36. Compounds
wherein one ring carbon is a member of three of the cyclos in
the heptacyclo ring system (i.e., peri-fusion).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
38
Hexacyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 26. Compounds in
which the polycyclo ring system consists of exactly six
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
39
Two of the cyclos share at least three ring members (e.g.,
etheno morphides, etc.):
This subclass is indented under subclass 38. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo in the hexacyclo ring system
(i.e., bridged).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
40
Plural ring nitrogens in the hexacyclo ring system (e.g.,
reserpic acid lactone, etc.):
This subclass is indented under subclass 39. Compounds
wherein the hexacyclo ring system includes at least two ring
nitrogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
41
Plural ring hetero atoms in the hexacyclo ring system:
This subclass is indented under subclass 38. Compounds
wherein the hexacyclo ring system contains at least one ring
hetero atom in addition to the ring nitrogen in the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
42
Pentacyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 26. Compounds in
which the polycyclo ring system consists of exactly five
rings.
Subclass:
43
Two of the cyclos share at least three ring members (i.e.,
bridged):
This subclass is indented under subclass 42. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo in the pentacyclo ring system
(i.e., bridged).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
44
One of the five cyclos is five-membered and includes ring
chalcogen (e.g., codeine, morphine, etc.):
This subclass is indented under subclass 43. Compounds
wherein one of the cyclos of the pentacyclo ring system is a
five-membered hetero ring which contains ring chalcogen
(i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
45
Nitrogen or divalent chalcogen double bonded directly to
carbocyclic ring of the pentacyclo ring system (e.g.,
morphinones, etc):
This subclass is indented under subclass 44. Compounds
wherein a nitrogen atom or a divalent chalcogen (i.e.,
oxygen, sulfur, selenium, or tellurium) is attached directly
by a double bond to a carbocyclic ring of the pentacyclo ring
system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
46
A Single chalcogen is bonded directly to ring carbon of the
pentacyclo ring system (e.g., desoxy morphine, etc):
This subclass is indented under subclass 44. Compounds
wherein exactly one chalcogen atom (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly to a ring carbon
of the pentacyclo ring system.
(1) Note. This subclass provides for those compounds which
contain only one chalcogen bonded directly to a ring carbon
of the pentacyclo ring system, e.g., the desoxy morphines,
etc.
(2) Note. An example of such a compound is: [figure]
Subclass:
47
Plural ring hetero atoms in the pentacyclo ring system:
This subclass is indented under subclass 42. Compounds
wherein the pentacyclo ring system contains at least one ring
hetero atom in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
48
Three or more ring hetero atoms in the pentacyclo ring
system:
This subclass is indented under subclass 47. Compounds
wherein the pentacyclo ring system contains at least two ring
hetero atoms in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
49
Two ring nitrogens in the pentacyclo ring system (e.g.,
quinacridones, etc.):
This subclass is indented under subclass 47. Compounds
wherein the pentacyclo ring system contains exactly two ring
nitrogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
50
Ring nitrogen is shared by two of the cyclos (e.g.,
yohimbanes, etc.):
This subclass is indented under subclass 49. Compounds
wherein a ring nitrogen is a member of two of the cyclos in
the pentacyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
51
Ring nitrogen is shared by five-membered cyclo and
six-membered cyclo (e.g., vincamine, etc.):
This subclass is indented under subclass 50. Compounds
wherein the ring nitrogen of the six membered hetero ring is
additionally a member of a five-membered cyclo in the
pentacyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
52
Additional ring nitrogen in the five-membered cyclo:
This subclass is indented under subclass 51. Compounds in
which the five-membered ring contains additional ring
nitrogen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
53
Having -C(=X)-; wherein x is chalcogen, bonded directly to
ring carbon of the pentacyclo ring system and also bonded
directly to chalcogen or nitrogen:
This subclass is indented under subclass 50. Compounds in
which a group, wherein X is chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly both to a ring
carbon of the pentacyclo ring system and to a chalcogen or
nitrogen atom.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
54
Plural chalcogens bonded directly to the same cyclo as is the
-C(=X)- group:
This subclass is indented under subclass 53. Compounds
wherein at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are bonded directly to the same cyclo
as is the group.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
55
Trialkoxybenzoyl bonded directly to at least one of the
chalcogens (e.g., reserpine, etc.):
This subclass is indented under subclass 54. Compounds in
which bonded directly to at least one of the chalcogens
(i.e., oxygen, sulfur, selenium, or tellurium) is a
trialkoxybenzoyl group, i.e.,
(1) Note. An example of a compound provided for herein is:
[figure] [figure]
Subclass:
56
Three or more ring carbons of the pentacyclo ring system are
substituted (e.g., substituted quinacridones, etc.):
This subclass is indented under subclass 49. Compounds which
contain substituents (other than hydrogen) on at least three
of the ring carbons of the pentacyclo ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
57
Three or more chalcogens containing:
This subclass is indented under subclass 56. Compounds which
contain at least three chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
58
The pentacyclo ring system consists of five six-membered
cyclos (e.g., anthraquinone-benzacridones, etc):
This subclass is indented under subclass 42. Compounds
wherein the pentacyclo ring system consists of five
six-membered cyclos.
Subclass:
59
Nitrogen attached directly to the pentacyclo ring system by
nonionic bonding:
This subclass is indented under subclass 58. Compounds
wherein nitrogen is attached directly to the pentacyclo ring
system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
60
An additional ring is bonded directly to the nitrogen:
This subclass is indented under subclass 59. Compounds in
which an additional ring is bonded directly to the nitrogen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
61
Tetracyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 26. Compounds in
which the poly-cyclo ring system consists of exactly four
rings.
Subclass:
62
Plural ring hetero atoms in the tetracyclo ring system (e.g.,
acronycines, etc.):
This subclass is indented under subclass 61. Compounds
wherein the tetracyclo ring system contains at least one ring
hetero atom in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
63
Two of the cyclos share at least three ring members (i.e.,
bridged):
This subclass is indented under subclass 62. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo in the tetracyclo ring system
(i.e., bridged).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
64
Three or more ring hetero atoms in the tetracyclo ring
system:
This subclass is indented under subclass 62. Compounds
wherein the tetracyclo ring system contains at least two ring
hetero atoms in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
65
Plural ring chalcogens in the tetracyclo ring system:
This subclass is indented under subclass 64. Compounds
wherein the tetracyclo ring system contains at least two ring
chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
66
Ring carbon is shared by three of the cyclos:
This subclass is indented under subclass 62. Compounds
wherein one ring carbon is a member of three of the cyclos in
the tetracyclo ring system (i.e., peri-fusion).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
67
The three cyclos consist of two carbocyclic rings and a
five-membered hetero ring which includes a ring nitrogen
(e.g., ergolines, etc.):
This subclass is indented under subclass 66. Compounds
wherein the three cyclos which share the ring carbon consist
of two carbocyclic rings and one five-membered hetero ring
which contains a ring nitrogen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
68
Chalcogen or nitrogen bonded directly to ring carbon of the
six-membered hetero ring:
This subclass is indented under subclass 67. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) or nitrogen is bonded directly to a ring carbon of
the six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
69
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the six-membered hetero ring (e.g., lysergic acid, etc.):
This subclass is indented under subclass 67. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly to the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
70
Two ring nitrogens in the tetracyclo ring system:
This subclass is indented under subclass 62. Compounds in
which the tetracyclo ring system contains exactly two ring
nitrogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
71
Ring nitrogen is shared by two of the cyclos:
This subclass is indented under subclass 61. Compounds
wherein the ring nitrogen of the six-membered hetero ring is
a member of an additional cyclo in the tetracyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
72
Two of the cyclos share at least three ring members or a ring
carbon is shared by three of the cyclos (i.e., bridged or
peri-fused):
This subclass is indented under subclass 71. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo or a ring carbon is a member
of three of the cyclos in the tetracyclo ring system (i.e.,
bridged or peri-fused).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
73
The six-membered hetero ring shares ring members with one
other cyclo only (e.g., pyrrocolines, etc.):
This subclass is indented under subclass 71. Compounds
wherein ring members of the six-membered hetero ring are ring
members of one additional cyclo only in the tetracyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
74
Two of the cyclos share at least three ring members (e.g.,
morphinans, etc.):
This subclass is indented under subclass 61. Compounds
wherein at least three ring members of one cyclo are ring
members of an additional cyclo in the tetracyclo ring system
(i.e., bridged).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
75
Ring carbon is shared by three of the cyclos:
This subclass is indented under subclass 61. Compounds
wherein one ring carbon is a member of three of the cyclos in
the tetracyclo ring system (i.e., peri-fusion).
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
76
Chalcogen bonded directly to ring carbon of the six-membered
hetero ring (e.g., anthrapyridones, etc.):
This subclass is indented under subclass 75. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to a ring carbon of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
77
The six-membered hetero ring shares ring members with one
other cyclo only:
This subclass is indented under subclass 61. Compounds
wherein ring members of the six-membered hetero ring are ring
members of one additional cyclo only in the tetracyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
78
Plural chalcogens bonded directly to carbocyclic rings of the
tetracyclo ring system (e.g., pyridoanthraquinones, etc.):
This subclass is indented under subclass 77. Compounds
wherein at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are bonded directly to carbocyclic
rings of the tetracyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
79
Tricyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 26. Compounds in
which the polycyclo ring system consists of exactly three
rings.
Subclass:
80
Plural ring hetero atoms in the tricyclo ring system:
This subclass is indented under subclass 79. Compounds
wherein the tricyclo ring system contains at least one ring
hetero atom in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
81
Plural ring nitrogens in the tricyclo ring system:
This subclass is indented under subclass 80. Compounds
wherein the tricyclo ring system contains at least two ring
nitrogens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
82
Three or more ring hetero atoms in the tricyclo ring system:
This subclass is indented under subclass 81. Compounds
wherein the tricyclo ring system contains at least one
additional ring hetero atom.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
83
At least one of the ring hetero atoms is chalcogen:
This subclass is indented under subclass 92. Compounds
wherein at least one of the additional ring hetero atoms is
chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
84
One of the cyclos is five-membered:
This subclass is indented under subclass 81. Compounds
wherein one of the cyclos of the tricyclo ring system to
five-membered.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
85
The six-membered hetero ring shares ring members with the
five-membered cyclo only (e.g., pyrido-indoles, etc.):
This subclass is indented under subclass 84. Compounds in
which the six-membered hetero ring has ring members in common
with the five-membered ring only in the tricyclo ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
86
Chalcogen bonded directly to ring carbon of the tricyclo ring
system:
This subclass is indented under subclass 85. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to ring carbon of the tricyclo
ring system.
(1) Note. An example of a compound provied for herein is:
[figure]
Subclass:
87
Nitrogen attached directly or indirectly to the tricyclo ring
system by nonionic bonding:
This subclass is indented under subclass 85. Compounds in
which nitrogen is attached directly or indirectly to the
tricyclo ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
88
Phenanthrolines (including hydrogenated):
This subclass is indented under subclass 81. Compounds
wherein the tricyclo ring system consists of three
six-membered rings forming the phenanthrene configuration in
which two ring carbons have been replaced by ring nitrogens;
said ring system may contain double bonds between ring
members.
(1) Note. The phenanthroline ring system can be represented
by any one of the following basic structures: [figure]
[figure]
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
89
Ring oxygen in the tricyclo ring system:
This subclass is indented under subclass 80. Compounds in
which the tricyclo ring system contains ring oxygen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
90
Plural ring oxygens in the tricyclo ring system:
This subclass is indented under subclass 89. Compounds in
which the tricyclo ring system contains at least two ring
oxygens.
(1) Note. An example of a compound provided for here is:
[figure]
Subclass:
91
Tropane and oxirane in the tricyclo ring system:
This subclass is indented under subclass 89. Compounds
wherein the tricyclo ring system consists of the tropane and
oxirane nuclei. [figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
92
Plural chalcogens bonded directly to ring carbons of the
tricyclo ring system:
This subclass is indented under subclass 89. Compounds
wherein at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are bonded directly to ring carbons
of the tricyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
93
One of the cyclos has at least seven members:
This subclass is indented under subclass 79. Compounds
wherein one of the cyclos of the tricyclo ring system has at
least seven members.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
94
Ring nitrogen is shared by two of the cyclos:
This subclass is indented under subclass 79. Compounds
wherein the ring nitrogen is a member of two of the cyclos in
the tricyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
95
Benzo (a) quinolizines (including hydrogenated):
This subclass is indented under subclass 94. Compounds
wherein the tricyclo ring system has the following basic
structure, which may contain double bonds between ring
members: [figure]
Subclass:
96
Additional polycyclo ring system having ring nitrogen (e.g.,
emetine, etc.):
This subclass is indented under subclass 95. Compounds which
contain an additional polycyclo ring system having ring
nitrogen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
97
Two of the cyclos share at least three ring carbons (e.g.,
benzomorphans, etc.):
This subclass is indented under subclass 79. Compounds
wherein at least three ring carbons of one cyclo are ring
carbons 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:
98
Ring carbon is shared by each of the three cyclos (e.g.,
1,8-naphthalimides, etc.):
This subclass is indented under subclass 79. Compounds
wherein 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:
99
Nitrogen, other than as nitro or nitroso, attached directly
or indirectly to the tricyclo ring system by nonionic
bonding:
This subclass is indented under subclass 98. Compojnds
wherein nitrogen, except as a member of the nitro
(-NO[subscrpt]2[end subscrpt]) or nitro-so (-NO) group, is
attached directly or indirectly to the tricyclo ring system
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
100
The Nitrogen is bonded directly to a carbocyclic ring of the
tricyclo ring system:
This subclass is indented under subclass 99. Compounds in
which the nitrogen is bonded directly to a carbocyclic ring
of the tricyclo ring system.
Subclass:
101
Each of the three cyclos is six-membered (e.g.,
benzoquinolines, etc.):
This subclass is indented under subclass 79. Compounds
wherein the tricyclo ring system consists of three
six-membered rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
102
Acridines (including hydrogenated):
This subclass is indented under subclass 101. Compounds
wherein the tricyclo ring system has the following basic
structure, which may contain double bonds between ring
members: [figure]
Subclass:
103
Chalcogen bonded directly to ring carbon of the six-membered
hetero ring:
This subclass is indented under subclass 102. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to ring carbon of the
six-membered hetero ring.
Subclass:
104
Nitrogen, other than as nitro or nitroso, attached directly
or indirectly to the acridine ring system by nonionic
bonding:
This subclass is indented under subclass 102. Compounds in
which nitrogen, except as a member of the nitro
(-NO[subscrpt]2[end subscrpt]) or nitroso (-NO) group, is
attached directly or indirectly to the acridine ring system
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
105
The nitrogent is bonded directly to ring carbon of the
six-membered hetero ring:
This subclass is indented under subclass 104. Compounds in
which the nitrogen is bonded directly to ring carbon of the
six-membered hetero ring.
Subclass:
106
The nitrogen is part of a substituent which contains
additional nonionically bonded nitrogen:
This subclass is indented under subclass 105. Compounds
wherein the nitrogen is a member of a group containing
additional nitrogen which is attached by nonionic bonding to
the acridine ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
107
Plural nitrogens, other than as nitro or nitroso, attached
directly to the carbocyclic rings of the acridine ring system
(e.g., 3, 6-diaminoacridines, etc.):
This subclass is indented under subclass 104. Compounds
wherein at least two nitrogens, except as members of the
nitro (-NO) or nitroso (-NO) group, are attached directly to
the carbocyclic rings of the acridine ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
108
Phenanthridines (including hydrogenated):
This subclass is indented under subclass 101. Compounds
wherein the tricyclo ring system has the following basic
structure, which may contain double bonds between ring
members: [figure]
Subclass:
109
Unsaturated ring bonded directly to ring carbon of the
six-membered hetero ring:
This subclass is indented under subclass 108. Compounds in
which an unsaturated ring, i.e., a ring which contains at
least one double bond between ring members, is bonded
directly to ring carbon of the six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure]
Subclass:
110
Chalcogen or -C(=X)-, wherein X is chalcogen, attached
directly to the six-membered hetero ring by nonionic
bonding:
This subclass is indented under subclass 101. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium or
tellurium), or a -C- group, in which X is chalcogen, is
bonded directly to the six-membered hetero ring by nonionic
bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
111
The tricyclo ring system consists of a five-membered
carbocyclic ring ortho fused to both a six-membered
carboxyclic ring and the six-membered hetero ring (e.g.,
indenopyridines, etc.):
This subclass is indented under subclass 79. Compounds in
which the tricyclo ring system consists of a five-membered
carbocyclic ring ortho fused to both a six-membered
carbocyclic ring and the six-membered hetero ring; e .g.,
[figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
112
Bicyclo ring system having the six-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 26. Compounds in
which the polycyclo ring system consists of exactly two
rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
113
Plural ring hetero atoms in the bicyclo ring system:
This subclass is indented under subclass 112. Compounds
wherein the bicyclo ring system includes at least one ring
hetero atom in addition to the ring nitrogen of the
six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
114
Ring sulfur in the bicyclo ring system:
This subclass is indented under subclass 113. Compounds in
which the bicyclo ring system contains ring sulfur.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
115
Ring oxygen in the bicyclo ring system:
This subclass is indented under subclass 113. Compounds in
which the bicyclo ring system contains ring oxygen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
116
Acyclic chalcogen bonded directly to ring carbon of the
bicyclo ring system:
This subclass is indented under subclass 115. Compounds in
which acyclic chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to ring carbon of the bicyclo
ring system.
(1) Note. Lactones of pyridine carboxylic acids are
provided for in this subclass, e.g.: [figure]
Subclass:
117
At least four ring nitrogens in the bicyclo ring system:
This subclass is indented under subclass 113. Compounds
wherein the bicyclo ring system contains at least four ring
nitrogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
118
Three ring nitrogens in the bicyclo ring system:
This subclass is indented under subclass 113. Compounds
wherein the bicyclo ring system contains exactly three ring
nitrogens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
119
Two of the ring nitrogens are bonded directly to each other:
This subclass is indented under subclass 118. Compounds
wherein two of the ring nitrogens are bonded directly to each
other.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
120
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the bicyclo ring system:
This subclass is indented under subclass 119. 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:
121
Ring nitrogen is shared by the two cyclos:
This subclass is indented under subclass 113. Compounds
wherein the ring nitrogen is a member of both cyclos of the
bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
122
The other cyclo in the bicyclo ring system is also
six-membered (e.g., naphthyridines, etc.):
This subclass is indented under subclass 113. Compounds
wherein the bicyclo ring system consists of two six-membered
cyclos.
Subclass:
123
Chalcogen and -C(=X)-, wherein X is chalcogen bonded directly
to ring carbons of the bicyclo ring system (e.g.,
4-oxo-naphthyridine-3-carboxylic acid, etc.):
This subclass is indented under subclass 122. Compounds in
which both chalocogen (i.e., oxygen, sulfur, selenium, or
tellurium) and a group, wherein X is chalcogen, are bonded
directly to ring carbons of the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
124
Tropanes (including nor and dehydro forms):
This subclass is indented under subclass 112. Compounds in
which the bicyclo ring system has the following basic
structure: [figure]
(1) Note. Included here also are the nor- (absence of
methyl group on ring nitrogen) and dehydro- (presence of
double bonds between ring members) forms of tropane.
(2) Note. An example of a compound provided for herein is:
[figure]
Subclass:
125
Additional hetero ring containing:
This subclass is indented under subclass 124. Compounds which
contain an additional hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
126
Additional polycyclo ring system having the additional hetero
ring as one of the cyclos:
This subclass is indented under subclass 125. Compounds
wherein the additional 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:
127
Chalcogen bonded directly to ring carbon of the tropane ring
system:
This subclass is indented under subclass 124. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to a ring carbon of the tropane
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
128
Polycyclo-carbocyclic ring system:
This subclass is indented under subclass 127. Compounds
having a carbocyclic ring system which contains at least two
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
129
Additional chalcogen attached directly or indirectly to the
tropane ring system by nonionic bonding:
This subclass is indented under subclass 127. Compounds
wherein additional chalcogen (i.e., oxygen, sulfur, selenium,
or tellurium) is attached directly or indirectly to the
tropane ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
130
Three or more oxygens attached directly or indirectly to the
tropane ring system by nonionic bonding:
This subclass is indented under subclass 129. Compounds in
which at least three oxygens are attached directly or
indirectly to the tropane ring system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
131
Hydroxy containing or containing oxy bonded directly to a
group IA or group IIA light metal (i.e., -OH or -OM
containing):
This subclass is indented under subclass 130. Compounds which
contain either an -OH or an -OM group, wherein M is a Group
IA or Group IIA metal having specific gravity less than
four.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
132
Having -C(=X), wherein X is chalcogen, bonded directly to the
tropane ring system:
This subclass is indented under subclass 124. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly to the
tropane ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
133
Quinuclidines (including unsaturated):
This subclass is indented under subclass 112. Compounds
wherein the bicyclo ring system has the following basic
structure, which may contain double bonds between ring
members: [figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
134
Quinoline containing (including hydrogenated):
This subclass is indented under subclass 133. Compounds
containing the quinoline ring system, which may contain
double bonds between ring members, i.e., [figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
135
Additional hetero ring containing:
This subclass is indented under subclass 134. Compounds which
contain an additional hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
136
Three or more chalcogens attached indirectly to the
quinuclidine ring system by nonionic bonding:
This subclass is indented under subclass 134. Compounds in
which at least three chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are attached indirectly to the
quinuclidine ring system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
137
Chalcogen bonded directly to ring carbon of the quinuclidine
ring system:
This subclass is indented under subclass 133. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to a ring carbon of the
quinuclidine ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
138
Quinolizines (including hydrogenated):
This subclass is indented under subclass 112. Compounds
wherein the bicyclo ring system has the following basic
structure, which may contain double bonds between ring
members: [figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
139
Isoquinolines (including hydrogenated):
This subclass is indented under subclass 112. Compounds
wherein the bicyclo ring system has the following structure,
which may contain double bonds between ring members:
[figure]
Subclass:
140
Plural isoquinoline ring systems attached directly or
indirectly to each other by nonionic bonding:
This subclass is indented under subclass 139. Compounds which
contain at least two isoquinoline ring systems that are
attached directly or indirectly to each other by nonionic
bonding.
(1) Note. Example of compounds provided for herein are:
[figure] [figure]
Subclass:
141
Chalcogen attached directly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 139. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the six-membered hetero
ring of the isoquinoline ring system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
142
Plural chalcogens attached directly to the six-membered
hetero ring by nonionic bonding:
This subclass is indented under subclass 141. Compounds
wherein at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are attached directly to the
six-membered hetero ring of the isoquinoline ring system by
nonionic bonding.
Subclass:
143
Nitrogen, other than as nitro or nitroso, attached directly
to the isoquinoline ring system by nonionic bonding:
This subclass is indented under subclass 139. Compounds
wherein nitrogen, except as a member of the nitro
(-NO[subscrpt]2[end subscrpt]) or nitroso (-NO) group, is
attached directly to the isoquinoline ring system by nonionic
bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
144
Unsaturated ring attached directly to the six-membered hetero
ring by nonionic bonding:
This subclass is indented under subclass 139. Compounds
wherein an unsaturated ring, i.e., a ring having at least one
double bond between ring members, is attached directly to the
six-membered hetero ring by nonionic bonding.
(1) Note. The term "unsaturated ring" as used herein does
not refer to the six-membered carbocyclic ring of the
isoquinoline ring system but rather to an additional
unsaturated ring which is attached directly to the
six-membered ring.
(2) Note. Examples of compounds provided for herein mare:
[figure] [figure]
Subclass:
145
Acyclic nitrogen double or triple bonded to carbon which is
attached directly or indirectly to the isoquinoline ring
system by nonionic bonding:
This subclass is indented under subclass 139. Compounds
wherein acyclic nitrogen is attached by a double or triple
bond to carbon which in turn is attached directly or
indirectly to the isoquinoline ring system by nonionic
bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
146
Having -C(=X)-, wherein X is chalcogen, attached directly or
indirectly to the isoquinoline ring system by nonionic
bonding:
This subclass is indented under subclass 139. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly or
indirectly to the isoquinoline ring system by nonionic
bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
147
The -C(=X)- is Part of a -C(=X)X- group, wherein the X's are
the same or diverse chalcogens:
This subclass is indented under subclass 146. Compounds in
which the -C(=X)- is part of a group, wherein 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:
148
Unsaturated hetero ring attached indirectly to the
isoquinoline ring system by nonionic bonding:
This subclass is indented under subclass 139. Compounds
wherein an unsaturated hetero ring, i.e., a hetero ring
having at least one double bond between ring members, is
attached indirectly to the isoquinoline ring system by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
149
Unsaturated carbocyclic ring attached indirectly to the
six-membered hetero ring through an acyclic hydrocarbon
chain:
This subclass is indented under subclass 139. Compounds
wherein an unsaturated carbocyclic ring, i.e., a ring
consisting of carbon atoms and having at least one double
bond between ring members, is attached indirectly to the
six-membered hetero ring of the isoquinoline ring system
through an acyclic hydrocarbon chain, i.e., a chain
consisting of carbon and hydrogen atoms.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
150
Single bond between 3,4-positions:
This subclass is indented under subclass 139. Compounds
wherein there is a single bond between the 3,4-positions of
the isoquinoline ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
151
N-alkyl or n-alkenyl isoquinoliniums which are otherwise
unsubstituted or alkyl or alkenyl substituted only:
This subclass is indented under subclass 139. Compounds
wherein the carbon atoms of the isoquinoline ring system are
unsubstituted or contain an alkyl or alkenyl substituent only
and in which the nitrogen atom is pentavalent having bonded
directly thereto an alkyl or alkenyl group.
(1) Note. An example of a compound provided for herein
is: [figure] [figure]
Subclass:
152
Quinolines (including hydrogenated):
This subclass is indented under subclass 112. Compounds in
which the bicyclo ring system has the following basic
structure, which may contain double bonds between ring
members: [figure]
Subclass:
153
Chalcogen attached directly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 152. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the six-membered hetero
ring of the quinoline ring system by nonionic bonding.
Subclass:
154
Polycyclo-carbocyclic ring system bonded directly to the
six-membered hetero ring (e.g., quinophthalones, etc.):
This subclass is indented under subclass 153. Compounds in
which a polycyclo-carbocyclic ring system is bonded directly
to the six-membered hetero ring of the quinoline ring
system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
155
Plural chalcogens attached directly to the six-membered
hetero ring by nonionic bonding:
This subclass is indented under subclass 153. Compounds in
which at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are attached directly to the
six-membered hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
156
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the six-membered hetero ring:
This subclass is indented under subclass 153. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly to the
six-membered hetero ring.
Subclass:
157
Chalcogen attached directly at 2-position by nonionic
bonding:
This subclass is indented under subclass 153. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly at the 2-position of the
quinoline ring system by nonionic bonding.
Subclass:
158
Single bond between 3,4-positions:
This subclass is indented under subclass 157. Compounds in
which there is a single bond between positions 3 and 4 of the
quinoline ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
159
Nitrogen, other than as nitro or nitroso, attached directly
to the six-membered hetero ring by nonionic bonding:
This subclass is indented under subclass 152. Compounds in
which nitrogen, except as a member of the nitro
(-NO[subscrpt]2[end subscrpt]) or nitroso (-NO) group, is
attached directly to the six-membered hetero ring of the
quinoline ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
160
Unsaturated carbocyclic ring bonded directly to the
nitrogen:
This subclass is indented under subclass 159. Compounds in
which an unsaturated carbocyclic ring, i.e., a ring
consisting of carbon and having at least one double bond
between ring members, is bonded directly to the nitrogen.
Subclass:
161
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the carbocyclic ring:
This subclass is indented under subclass 160. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly to the
carbocyclic ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
162
Nitrogen attached indirectly to the six-membered hetero ring
through the directly attached nitrogen by nonionic bonding:
This subclass is indented under subclass 159. Compounds
wherein nitrogen is attached indirectly to the six-membered
hetero ring through the nitrogen which is directly attached
by nonionic bonding.
(1) Note. Examples of compounds provided for herein a re:
[figure] [figure] [figure]
Subclass:
163
Both nitrogens bonded directly to the same acyclic
hydrocarbon group:
This subclass is indented under subclass 162. Compounds in
which both nitrogen atoms are bonded directly to the same
acyclic hydrocarbon group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
164
Fully saturated quinolines:
This subclass is indented under subclass 152. Compounds
wherein the quinoline ring system is fully saturated, i.e.,
no double bonds between ring members.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
165
Single bond between 1,2-positions and single bond between
3,4-positions:
This subclass is indented under subclass 152. Compounds in
which there are single bonds between positions 1 and 2 and
positions 3 and 4 of the quinoline ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
166
The six-membered hetero ring is unsubstituted or alkyl
substituted only:
This subclass is indented under subclass 165. Compounds in
which the six-membered hetero ring is unsubstituted or
substituted by alkyl groups only.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
167
Unsaturated hetero ring attached directly to the quinoline
ring system by nonionic bonding:
This subclass is indented under subclass 152. Compounds in
which an unsaturated hetero ring is attached directly to the
quinoline ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
168
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the quinoline ring system:
Compounds under subclas 152 wherein a group, in which X is
chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is
bonded directly to the quinoline ring system.
Subclass:
169
Acyclic nitrogen bonded directly to the -C(-X)- group:
This subclass is indented under subclass 168. Compound in
which acyclic nitrogen is bonded directly to the group.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
170
The -C(=X)- is part of -C(=X)X- group, wherein the X's are
the same or diverse chalcogens:
This subclass is indented under subclass 168. Compounds
wherein the is part of a group, in which the X's are the same
or diverse chalcogens (i.e., oxygen, sulfur, selenium, or
tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
171
Nitrogen, other than as nitro or nitroso, attached directly
to the carbocyclic ring of the quinoline ring system by
nonionic bonding:
This subclass is indented under subclass 152. Compounds
wherein nitrogen, except as a member of the nitro
(-NO[subscrpt]2[end subscrpt]) or nitroso (-NO) group, is
attached directly to the carbocyclic ring of the quinoline
ring system by nonionic bonding.
Subclass:
172
Acyclic sulfur bonded directly to oxygen and directly or
indirectly to the quinoline ring system by nonionic bonding:
This subclass is indented under subclass 152. Compounds in
which acyclic sulfur is bonded both directly to oxygen and
directly or indirectly to the quinoline ring system by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
173
Unsaturated carbocyclic ring attached directly to the
quinoline ring system by nonionic bonding (e.g.,
quinophthalones, etc.):
This subclass is indented under subclass 152. Compounds in
which an unsaturated carbocyclic ring is attached directly to
the quinoline ring system by nonionic bonding.
Subclass:
174
Having -C(=X)-, wherein X is chalcogen, attached indirectly
to the quinoline ring system by nonionic bonding:
This subclass is indented under subclass 152. Compounds in
which a group, wherein X is chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium), is attached indirectly to the
quinoline ring system by nonionic bonding.
Subclass:
175
Nitrogen bonded directly to the -C(=X)- group:
This subclass is indented under subclass 174. Compounds in
which nitrogen is bonded directly to the group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
176
Nitrogen, other than as nitro or nitroso, attached indirectly
to the quinoline ring system by nonionic bonding:
This subclass is indented under subclass 152. Compounds
wherein nitrogen, except as a member of the nitro
(-NO[subscrpt]2[end subscrpt]) or nitroso (-NO) group, is
attached indirectly to the quinoline ring system by nonionic
bonding.
Subclass:
177
Chalcogen attached directly to the carbocyclic ring of the
quinoline ring system by nonionic bonding:
This subclass is indented under subclass 176. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the carbocyclic ring of
the quinoline ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
178
Chalcogen attached directly to the carbocyclic ring of the
quinoline ring system by nonionic bonding:
This subclass is indented under subclass 152. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the carbocyclic ring of
the quinoline ring system by nonionic bonding.
Subclass:
179
The chalcogen is in an -OH, -SH, -OM or -SM group (M is group
IA or group IIA light metal):
This subclass is indented under subclass 178. Compounds in
which the chalcogen is part of an -OH, -SH, -OM or -SM group;
wherein M is a Group IA or Group IIA metal having a specific
gravity less than four.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
180
Halogen of nitro attached directly or indirectly to the
quinoline ring system by nonionic bonding:
This subclass is indented under subclass 152. Compounds in
which halogen or a nitro group (-NO[subscrpt]2[end subscrpt])
is attached directly or indirectly to the quinoline ring
system by nonionic bonding.
Subclass:
181
Quinolines which are unsubstituted or which are alkyl or
alkenyl substituted only, or salt thereof:
This subclass is indented under subclass 152. Compounds
wherein the quinoline ring system is either unsubstituted or
substituted by alkyl or alkenyl groups only, or salts
thereof.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
182
Addition salts:
This subclass is indented under subclass 181. Compounds which
are addition salts of (a) unsubstituted quinoline or (b)
quinoline substituted by alkyl or alkenyl radicals only.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
183
Chalcogen bonded directly to ring carbon of the bicyclo ring
system:
This subclass is indented under subclass 112. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to ring carbon of the bicyclo
ring system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
184
Piperdines:
This subclass is indented under subclass 1. Compounds in
which the six-membered hetero ring, consisting of one
nitrogen and five carbons, contains no double bonds between
ring members, i.e., the piperidine ring.
Subclass:
185
Process of forming a piperidine ring from a pyridine ring or
from a partially hydrogenated pyridine ring:
This subclass is indented under subclass 184. Processes
wherein the piperidine ring is prepared by the hydrogenation
of pyridine or partially hydrogenated pyridine.
(1) Note. This subclass includes all hydrogenation
processes for the formation of piperidine from pyridine or
partially hydrogenated pyridine, whether the hydrogenation
reaction is a single step process or merely one step in a
multistage reaction process.
Subclass:
186
Plural piperidine rings:
This subclass is indented under subclass 184. Compounds which
contain at least two piperidine rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
187
Additional hetero ring containing:
This subclass is indented under subclass 186. Compounds which
contain an additional hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
188
Chalcogen attached directly to a ring carbon of a piperidine
ring by nonionic bonding:
This subclass is indented under subclass 186. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to a piperidine ring by
nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
261 for tautomers of chalcogen double bonded directly to
piperidine (i.e., chalcogen attached directly to pyridine or
partially hydrogenated pyridine), e.g.,
Subclass:
189
Having -C(=X)-, wherein X is chalcogen, bonded directly to a
piperidine ring:
This subclass is indented under subclass 186. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly to a
piperidine ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
190
Having -C(=X)-, wherein X is chalcogen, attached indirectly
to a piperidine ring by nonionic bonding:
This subclass is indented under subclass 186. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is attached indirectly to a
piperidine ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
191
Carbocyclic ring containing:
This subclass is indented under subclass 186. Compounds which
contain a carbocyclic ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
192
Additional ring containing:
This subclass is indented under subclass 184. Compounds which
contain an additional ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
193
Pyridine ring or partially hydrogenated pyridine ring:
This subclass is indented under subclass 192. Compounds in
which the additional ring is a pyridine ring or partially
hydrogenated pyridine ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
194
Carbocyclic ring containing:
This subclass is indented under subclass 193. Compounds which
additionally contain a carbocyclic ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
195
The additional ring is one of the cyclos in a polycyclo ring
system:
This subclass is indented under subclass 192. Compounds in
which the additional ring is one of the cyclos in a polycyclo
ring system.
(1) Note. An example of a compound provided for here in is:
[figure]
Subclass:
196
Hetero ring in the polycyclo ring system:
This subclass is indented under subclass 195. Compounds
wherein the polycyclo ring system contains a hetero ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
197
Plural ring hetero atoms in the polycyclo ring system:
This subclass is indented under subclass 196. Compounds in
which the polycyclo ring system contains at least two ring
hetero atoms.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
198
Ring nitrogen in the polycyclo ring system:
This subclass is indented under subclass 197. Compounds in
which the polycyclo ring system contains a ring nitrogen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
199
Plural ring nitrogens in the polycyclo ring system:
This subclass is indented under subclass 198. Compounds in
which the polycyclo ring system contains at least two ring
nitrogen atoms.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
200
Ring nitrogen in the polycyclo ring system:
This subclass is indented under subclass 196. Compounds in
which the polycyclo ring system contains a ring nitrogen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
201
Bicyclo ring system which is indole (including
hydrogenated):
This subclass is indented under subclass 200. Compounds
wherein the polycyclo ring system is bicyclo and consists of
the following basic structure in which the bonds between the
ring members may be single or double bonds: [figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
202
Ring sulfur in the polycyclo ring system:
This subclass is indented under subclass 196. Compounds in
which the polycyclo ring system contains a ring sulfur.
(1) Note. An example of a compound provied for herein is:
[figure]
Subclass:
203
The polycyclo ring system is tricyclo-carbocyclic:
This subclass is indented under subclass 195. Compounds in
which the polycyclo ring system consists of three carbocyclic
rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
204
Chalcogen bonded directly to the tricyclo-carbocyclic ring
system:
This subclass is indented under subclass 203. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the tricyclo-carbocyclic
ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
205
The polycyclo ring system is bicyclo-carbocyclic:
This subclass is indented under subclass 195. Compounds in
which the polycyclo ring system consists of two carbocyclic
rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
206
Chalcogen bonded directly to the bicyclo-carbocyclic ring
system:
This subclass is indented under subclass 205. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to the bicyclo-carbocyclic ring
system.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
207
The additional ring is a hetero ring:
This subclass is indented under subclass 192. Compounds in
which the additional ring is a hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
208
The additional hetero ring has at least nitrogen as a ring
hetero atom:
This subclass is indented under subclass 207. Compounds in
which the additional hetero ring contains ring nitrogen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
209
Ring sulfur or ring oxygen in the additional hetero ring:
This subclass is indented under subclass 208. Compounds in
which the additional heteror ring additionally contains ring
sulfur or ring oxygen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
210
Plural ring nitrogens in the additional hetero ring:
This subclass is indented under subclass 208. Compounds in
which the additional hetero ring contains at least two ring
nitrogens.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
211
1,2-diazole (including hydrogenated):
This subclass is indented under subclass 210. Compounds
wherein the additional hetero ring consists of two ring
nitrogens in adjacent positions and three ring carbons; i.e.,
[figure]
(1) Note. An example of a compound provided for herein is:
[figure] [figure]
Subclass:
212
The additional hetero ring consists of one sulfur and four
carbons:
This subclass is indented under subclass 207. Compounds in
which the additional hetero ring consists of one ring sulfur
and four ring carbons.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
213
Carbocyclic ring containing:
This subclass is indented under subclass 212. Compounds which
contain a carbocyclic ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
214
The additional hetero ring consists of one oxygen and four
carbons:
This subclass is indented under subclass 207. Compounds in
which the additional hetero ring consists of one oxygen and
four carbons.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
215
Cyano bonded directly to the piperidine ring:
This subclass is indented under subclass 192. Compounds in
which a -CbN groups is bonded directly to the piperidine
ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
216
Chalcogen bonded directly to ring carbon of the piperidine
ring:
This subclass is indented under subclass 192. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to a ring carbon of the
piperidine ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
290 for tautomers of chalcogen double bonded directly to
piperidine (i.e., chalcogen attached directly to pyridine or
partially hydrogenated pyridine), e.g., [figure]
Subclass:
217
Chalcogen and a carbocyclic ring bonded directly at
4-position:
This subclass is indented under subclass 216. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) and a carbocyclic ring are bonded directly to the
piperidine ring at the 4-position.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
218
The chalcogen, X, is part of a -C(=X)X-group, wherein the X's
are the same or diverse chalcogens:
This subclass is indented under subclass 217. Compounds in
which the chalcogen, X, is part of a group, wherein the X's
are the same or diverse chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
219
Plural chalcogens bonded directly to ring carbons of the
piperidine ring:
This subclass is indented under subclass 216. Compounds in
which at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are bonded directly to ring carbons
of the piperidine ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
296 for tautomers of chalcogen double bonded directly to
piperidine (i.e., chalcogen attached directly to pyridine or
partially hydrogenated pyridine), e.g., [figure]
Subclass:
220
Having -C(=X)-, wherein X is chalcogen, attached directly or
indirectly to the piperidine ring by nonionic bonding:
This subclass is indented under subclass 219. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen
sulfur, selenium, or tellurium), is attached directly, or
indirectly to the piperidine ring by nonionic bonding.
(1) Note. An example of a compound provided for here is:
[figure]
Subclass:
221
Having -C(=X), wherein X is chalcogen, attached directly or
indirectly to the piperidine ring by nonionic bonding:
This subclass is indented under subclass 216. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is attached directly or
indirectly to the piperidine ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
222
The -C(=X)- group and the piperidine ring are bonded directly
to the same chalcogen:
This subclass is indented under subclass 221. Compounds
wherein the group and the piperidine ring are each bonded
directly to the same chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) atom.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
223
Nitrogen attached directly to the piperidine ring by nonionic
bonding:
This subclass is indented under subclass 192. Compounds in
which nitrogen is attached directly to the piperidine ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 304+ for tautomers of nitrogen double bonded
directly to piperidine (i.e., nitrogen attached directly to
pyridine or partially hydrogenated pyridine), e.g., [figure]
Subclass:
224
Acyclic nitrogen bonded directly to a -C(=X)- group, wherein
X is chalcogen:
This subclass is indented under subclass 223. Compounds
wherein acyclic 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] [figure]
Subclass:
225
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the piperidine ring:
This subclass is indented under subclass 192. Compounds in
which a group, wherein X is chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium), is bonded directly to the piperdine
ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
226
At 1-position:
This subclass is indented under subclass 225. Compounds
wherein the group is bonded directly to the piperidine ring
at the 1-position, i.e., to the nitrogen atom of the ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
227
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are
the same or diverse chalcogens:
This subclass is indented under subclass 225. Compounds
wherein the is part of a group, in which the X's are the
same, or diverse chalcogens (i.e., oxygen, sulfur, selenium,
or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
228
Carbocyclic ring bonded directly at 4-position:
This subclass is indented under subclass 227. Compounds in
which a carbocyclic ring is bonded directly to the piperidine
ring at the 4-position.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
229
Nitrogen attached indirectly to the piperidine ring by
nonionic bonding:
This subclass is indented under subclass 192. Compounds in
which nitrogen is attached indirectly to the piperidine ring
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
230
Cyano attached indirectly to the piperidine ring by nonionic
bonding:
This subclass is indented under subclass 229. Compounds in
which the -C N group is attached indirectly to the piperidine
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
231
Plural acyclic nitrogens bonded directly to the same carbon
or single bonded directly to each other:
This subclass is indented under subclass 229. Compounds
containing at least two acyclic nitrogen atoms which are
bonded directly to the same carbon or single bonded directly
to each other.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
232
Chalcogen attached indirectly to the piperidine ring by
nonionic bonding:
This subclass is indented under subclass 229. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the piperidine ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
233
Acyclic nitrogen bonded directly to A-C(=X)- group, wherein X
is chalcogen:
This subclass is indented under subclass 232. Compounds
containing an acyclic nitrogen which is bonded directly to a
group, wherein X is chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
234
Plural carbocyclic rings containing:
This subclass is indented under subclass 233. Compounds which
contain at least two carbocyclic rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
235
The chalcogen, X, is in a -C(=X)- group:
This subclass is indented under subclass 232. Compounds in
which the chalcogen, X (i.e., oxygen, sulfur, selenium, or
tellurium), is in a group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
236
Chalcogen attached indirectly to the piperidine ring by
nonionic bonding:
This subclass is indented under subclass 192. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the piperidine ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
237
The chalcogen, X, is in a -C(=X)- group:
This subclass is indented under subclass 236. Compounds in
which the chalcogen, X (i.e., oxygen, sulfur, selenium, or
tellurium), is in a group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
238
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are
the same or diverse chalcogens:
This subclass is indented under subclass 237. Compounds
wherein the is part of a group, in which the X's are the
same, or diverse chalcogens (i.e., oxygen, sulfur, selenium,
or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
239
Plural carbocyclic rings containing:
This subclass is indented under subclass 238. Compounds which
contain at least two carbocyclic rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
240
The chalcogen is in an -OH or -OM group (M is group IA or
group IIA light metal):
This subclass is indented under subclass 236. Compounds in
which the chalcogen is in an -OH or -OM group, wherein M is a
Group IA or Group IIA metal having a specific gravity less
than four.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
241
The -OH or -OM is bonded to an acyclic carbon, which carbon
is bonded directly to two rings:
This subclass is indented under subclass 240. Compounds where
in the -OH or -OM group is bonded to an acyclic carbon atom
which is bonded directly to two rings.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
242
Chalcogen bonded directly to ring carbon of the piperidine
ring:
This subclass is indented under subclass 184. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to a ring carbon of the
piperidine ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
290 for tautomers of chalcogen double bonded directly to
piperidine (i.e., chalcogen attached directly to pyridine or
partially hydrogenated pyridine), e.g., [figure]
Subclass:
243
At 2-position:
This subclass is indented under subclass 242. Compounds in
which the chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded to the 2-position of the piperidine
ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
290 for tautomers of chalcogen double bonded directly to
piperidine (i.e., chalcogen attached directly to pyridine or
partially hydrogenated pyridine), e.g., [figure]
Subclass:
244
Nitrogen attached directly to the piperidine ring by nonionic
bonding:
This subclass is indented under subclass 184. Compounds
wherein nitrogen is attached directly to the piperidine ring
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 304+ for tautomers of nitrogen double bonded
directly to piperidine (i.e., nitrogen attached directly to
pyridine or partially hydrogenated pyridine), e.g., [figure]
Subclass:
245
Having -C(=X)-, wherein X is chalcogen:
This subclass is indented under subclass 184. Compounds which
contain a group, wherein X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium, bonded directly to the
piperidine ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
246
Nitrogen attached indirectly to the piperidine ring by
nonionic bonding:
This subclass is indented under subclass 184. Compounds in
which nitrogen is attached indirectly to the piperidine ring
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
247
Acyclic nitrogen bonded directly to A-C(=X)- group, wherein X
is chalcogen:
This subclass is indented under subclass 246. Compounds
containing an acyclic nitrogen which 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:
248
Chalcogen attached indirectly to the piperidine ring by
nonionic bonding:
This subclass is indented under subclass 184. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the piperidine ring by
nonionic bonding. [figure] [caption]Aliphatic
(1) Note. A compound of the type would be provided for
herein rather than above in subclasses 242+ as the chalcogen
which is bonded directly to the six-membered hetero ring is
attached to the ring nitrogen rather than a ring carbon.
Placement is based on the oxygen which is attached
indirectly, i.e., through a sulfur atom, to the six-membered
hetero ring.
(2) Note. Additional examples of compounds provided for
herein are: [figure] [figure]
Subclass:
249
Process of forming partially hydrogenated pyridine ring:
This subclass is indented under subclass 1. Compounds whereby
a partially hydrogenated pyridine ring is formed, i.e., a
six-membered hetero ring consisting of one nitrogen and five
carbons having one or two double bonds between the ring
members.
(1) Note. Included herein are processes of forming the
partially hydrogenated pyridine ring by any means, e.g., ring
closure, ring expansion, dehydrogenation, hydrogenation,
etc.
Subclass:
250
Process of forming pyridine ring:
This subclass is indented under subclass 1. Processes of
forming the pyridine ring, i.e., six-membered hetero ring
consisting of one nitrogen and five carbons having three
double bonds between the ring members.
(1) Note. Included here are processes of forming the
pyridine ring by any means, e.g., ring closure, ring
expansion, dehydrogenation, etc.
Subclass:
251
The pyridine ring is unsubstituted or hydrocarbyl substituted
only:
This subclass is indented under subclass 250. Processes
wherein the pyridine ring which is formed is either
unsubstituted or substituted by hydrocarbon groups only.
(1) Note. Hydrocarbon groups consist of carbon and hydrogen
only. A substituent containing any other atom would not be
provided for herein.
Subclass:
252
Starting materials include a hetero ring having at least
nitrogen as a ring hetero atom (e.g., starting materials
include a piperidine ring, etc.):
This subclass is indented under subclass 251. Processes
wherein the starting materials include a compound having a
hetero ring which contains a ring nitrogen.
Subclass:
253
Starting materials include a hydrocarbon:
This subclass is indented under subclass 251. Processes which
utilize hydrocarbons as starting materials.
Subclass:
254
Starting Materials Include an Acyclic Hydrocarbyl Ether or an
Acyclic Hydrocarbyl Alcohol:
This subclass is indented under subclass 251. Processes which
utilize an acyclic hydrocarbyl ether or an acyclic
hydrocarbyl alcohol as a starting material.
Subclass:
255
Plural pyridine or partially hydrogenated pyridine rings:
This subclass is indented under subclass 1. Compounds which
contain at least two of the six-membered hetero rings, each
consisting of one nitrogen and five carbons and having at
least one double bond between ring members, i.e., pyridine or
partially hydrogenated pyridine rings.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure] [figure]
Subclass:
256
Additional hetero ring containing:
This subclass is indented under subclass 255. Compounds which
contain an additional hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
257
Pyridine or partially hydrogenated pyridine rings are bonded
directly to each other:
This subclass is indented under subclass 255. Compounds
wherein the pyridine or partially hydrogenated pyridine rings
are bonded directly to each other.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
258
Halogen containing or process utilizing halogen or halogen
containing compound:
This subclass is indented under subclass 257. compounds
which contain halogen or processes which utilize halogen or a
halogen containing compound in the formation, purification,
or recovery of a compound wherein the plural pyridine or
partially hydrogenated pyridine rings are bonded directly to
each other.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
259
Metal containing catalyst utilized:
This subclass is indented under subclass 258. Processes
utilizing a metal or metal containing compound as catalyst.
Subclass:
260
Metal containing catalyst utilized:
This subclass is indented under subclass 257. Processes
utilizing a metal or metal containing compound as catalyst.
Subclass:
261
Chalcogen bonded directly to ring carbon of pyridine or
partially hydrogenated pyridine ring:
This subclass is indented under subclass 255. Compounds
containing chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) which is bonded directly to a ring carbon of a
pyridine or partially hydrogenated pyridine ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
188 for tautomers of chalcogen attached directly to pyridine
or partially hydrogenated pyridine (i.e., chalcogen double
bonded directly to piperidine), e.g., [figure]
Subclass:
262
Having -C(=X)-, wherein X is chalcogen, bonded directly to
pyridine or partially hydrogenated pyridine ring:
This subclass is indented under subclass 255. Compounds in
which a group, wherein X is chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium), bonded directly to pyridine or
partially hydrogenated pyridine ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
263
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are
the same or diverse chalcogens:
This subclass is indented under subclass 262. Compounds
wherein the is part of a group, in which the X's are the same
or diverse chalcogens (i.e., oxygen, sulfur, selenium, or
tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
264
Acyclic nitrogen attached directly or indirectly to pyridine
or partially hydrogenated pyridine ring by nonionic bonding:
This subclass is indented under subclass 255. Compounds in
which acyclic nitrogen is attached directly or indirectly to
the six-membered hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
265
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the acyclic nitrogen:
This subclass is indented under subclass 264. Compounds in
which the acyclic nitrogen is bonded directly to a group,
wherei X is chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
266
Chalcogen attached indirectly to pyridine or partially
hydrogenated pyridine ring by nonionic bonding:
This subclass is indented under subclass 255. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to a pyridine or partially
hydrogenated pyridine ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
267
The chalcogen, X, is in a -C(=X)-group:
This subclass is indented under subclass 266. 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] [figure]
Subclass:
268.1
Additional hetero ring containing:
This subclass is indented under subclass 1. Compounds which
contain an additional hetero ring.
Subclass:
268.4
The additional hetero ring is five-membered having two or
more ring hetero atoms of which at least one is nitrogen:
This subclass is indented under subclass 268.1. Compounds
wherein the additional hetero ring is five-membered and has
two or more ring hetero atoms of which at least one is
nitrogen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
268.7
Thiadiazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring consists of two ring
nitrogens, one ring sulfur, and two ring carbons.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
269.1
Oxadiazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring consists of two ring
nitrogens, one ring oxygen, and two ring carbons.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
269.4
Oxadiazole ring bonded directly to the six-membered hetero
ring:
This subclass is indented under subclass 269.1. Compounds
wherein the six-membered hetero ring is bonded directly to
the oxadiazole ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
269.7
1,3-thiazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring has sulfur in the
1-position, nitrogen in the 3-position, and carbons in the
remaining three positions.
(1) Note. This subclass provides for compounds containing
the following ring which may have double bonds between its
members: [figure]
Subclass:
270.1
Polycyclo ring system having the 1,3-thiazole ring as one of
the cyclos:
This subclass is indented under subclass 269.7. Compounds
wherein the 1,3-thiazole ring is one of the cyclos of a
polycyclo ring system.
(1) Note An example of a compound provided for herein is:
[figure]
Subclass:
270.4
1,3-thiazole ring bonded directly to the six-membered hetero
ring:
This subclass is indented under subclass 269.7. Compounds
wherein the six-membered hetero ring is bonded directly to
the 1,3-thiazole ring.
Subclass:
270.7
Nitrogen attached directly to the 1,3-thiazole ring by
nonionic bonding:
This subclass is indented under subclass 269.7. Compounds
wherein the 1,3-thiazole ring is attached directly to
nitrogen by nonionic bonding.
Subclass:
271.1
1,2-thiazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring has sulfur in the
1-position, nitrogen in the 2-position, and carbons in the
remaining three positions.
(1) Note. This subclass provides for compounds containing
the following ring which may have double bonds between its
members: [figure]
Subclass:
271.4
1,3-oxazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring has oxygen in the
1-position, nitrogen in the 3-position, and carbons in the
remaining three positions.
(1) Note. This subclass provides for compounds containing
the following ring which may have double bonds between its
members: [figure]
Subclass:
271.7
Polycyclo ring system having the 1,3-oxazole ring as one of
the cyclos:
This subclass is indented under subclass 271.4. Compounds
wherein the 1,3-oxazole ring is one of the cyclos of a
polycyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
272.1
1,2-oxazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring has oxygen in the
1-position, nitrogen in the 2-position, and carbons in the
remaining three positions.
(1) Note. This subclass provides for compounds containing
the following ring which may have double bonds between its
members: [figure]
Subclass:
272.4
1,2,4-triazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring has nitrogens in the 1,2
and 4-positions and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing
the following ring which may have double bonds between its
members: [figure]
Subclass:
272.7
1,3-diazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring has nitrogens in the 1-
and 3-positions and carbons in the remaining three
positions.
(1) Note. This subclass provides for compounds containing
the following ring which may have double bonds between its
members: [figure]
Subclass:
273.1
Polycyclo ring system having the 1,3-diazole ring as one of
the cyclos:
This subclass is indented under subclass 272.7. Compounds
wherein the 1,3-diazole ring is one of the cyclos of a
polycyclo ring system.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
273.4
Bicyclo ring system which is benzimidazole (including
hydrogenated):
This subclass is indented under subclass 273.1. Compounds
wherein the polycyclo ring system is bicyclo and consists of
the following basic structure in which the bonds between the
ring members may be single or double bonds: [figure]
Subclass:
273.7
Chalcogen bonded directly to a ring carbon of the 1,3-diazole
ring:
This subclass is indented under subclass 273.4. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to a ring carbon of the
1,3-diazole ring.
Subclass:
274.1
The 1,3-diazole ring is bonded directly to the six-membered
hetero ring:
This subclass is indented under subclass 272.7. Compounds
wherein the six-membered hetero ring is bonded directly to
the 1,3-diazole ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
274.4
Chalcogen attached directly to the 1,3-diazole ring by
nonionic bonding:
This subclass is indented under subclass 272.7. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the 1,3-diazole ring by
nonionic bonding.
Subclass:
274.7
Nitrogen or -C(=X)-, wherein X is chalcogen, attached
directly to the 1,3-diazole ring by nonionic bonding:
This subclass is indented under subclass 272.7. Compounds in
which nitrogen or -C(=X)-, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium or tellurium), is attached directly
to the 1,3-diazole ring by nonionic bonding.
Subclass:
275.1
Chalcogen attached indirectly to the 1,3-diazole ring by
acyclic nonionic bonding:
This subclass is indented under subclass 272.7. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the 1,3-diazole ring by
acyclic nonionic bonding.
Subclass:
275.4
1,2-diazoles (including hydrogenated):
This subclass is indented under subclass 268.4. Compounds in
which the five-membered hetero ring has nitrogens in the 1-
and 2-positions and carbons in the remaining three
positions.
(1) Note. This subclass provides for compounds containing
the following ring which may have double bonds between its
members: [figure]
Subclass:
275.7
Polycyclo ring system having the 1,2-diazole ring as one of
the cyclos:
This subclass is indented under subclass 275.4. Compounds
wherein the 1,2-diazole ring is one of the cyclos of a
polycyclo ring system.
Subclass:
276.1
Chalcogen attached directly to the 1,2-diazole ring by
nonionic bonding:
This subclass is indented under subclass 275.4. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium or
tellurium) is attached directly to the 1,2-diazole ring by
nonionic bonding.
Subclass:
276.4
The additional hetero ring is five-membered consisting of one
nitrogen and four carbons:
This subclass is indented under subclass 268.1. Compounds
wherein the additional hetero ring is five-membered and
consists of one ring nitrogen and four ring carbons.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
276.7
Polycyclo ring system having the five-membered hetero ring as
one of the cyclos:
This subclass is indented under subclass 276.4. Compounds
wherein the five-membered 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:
277.1
Bicyclo ring system which is isoindole (including
hydrogenated):
This subclass is indented under subclass 276.7. Compounds
wherein the polycyclo ring system is bicyclo and consists of
the following basic structure in which the bonds between the
ring members may be single or double bonds: [figure]
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
277.4
Bicyclo ring system which is indole (including
hydrogenated):
This subclass is indented under subclass 276.7. Compounds
wherein the polycyclo ring system is bicyclo and consists of
the following basic structure in which the bonds between the
ring members may be single or double bonds: [figure]
Subclass:
277.7
Chalcogen attached directly to the five-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 277.4. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the five-membered hetero
ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
278.1
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the five-membered hetero ring:
This subclass is indented under subclass 277.4. Compounds in
which -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur,
selenium, or tellurium) is bonded directly to the
five-membered hetero ring.
Subclass:
278.4
Chalcogen attached directly to the five-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 276.4. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the five-membered hetero
ring by nonionic bonding.
Subclass:
278.7
Plural chalcogens attached directly to the five-membered
hetero ring by nonionic bonding:
This subclass is indented under subclass 278.4. Compounds
wherein at least two chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium) are attached directly to the
five-membered hetero ring by nonionic bonding.
Subclass:
279.1
Nitrogen or -C(=X)-, wherein X is chalcogen, attached
directly to the five-membered ring by nonionic bonding:
This subclass is indented under subclass 276.4. Compounds in
which nitrogen or -C(=X)-, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium, or tellurium) is attached directly
to the five-membered hetero ring by nonionic bonding.
Subclass:
279.4
Nicotine, per se, or its salts:
This subclass is indented under subclass 276.4. Compounds
which have the following structure, or salts thereof:
[figure]
(1) Note. In addition to nicotine, included herein are
salts thereof, such as, nicotine sulfate. [figure]
Subclass:
279.7
Ring sulfur in the additional hetero ring:
This subclass is indented under subclass 268.1. Compounds
wherein the additional hetero ring contains ring sulfur.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
280.1
The additional hetero ring is six-membered:
This subclass is indented under subclass 279.7. Compounds
wherein six ring atoms are present in the additional hetero
ring.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
280.4
The additional hetero ring is five-membered:
This subclass is indented under subclass 279.7. Compounds
wherein five ring atoms are present in the additional hetero
ring.
Subclass:
280.7
Plural ring sulfurs in the additional hetero ring:
This subclass is indented under subclass 280.4. Compounds in
which the additional hetero ring contains at least two ring
sulfurs.
Subclass:
281.1
Polycyclo ring system having the additional hetero ring as
one of the cyclos:
This subclass is indented under subclass 280.4. Compounds
wherein the additional hetero ring is one of the cyclos of a
polycyclo ring system.
Subclass:
281.4
Nitrogen attached directly to the six-membered hetero ring or
to the additional hetero ring by nonionic bonding:
This subclass is indented under subclass 280.4. Compounds
wherein the six-membered hetero ring or the additional hetero
ring is attached directly to nitrogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
281.7
Ring oxygen in the additional hetero ring:
This subclass is indented under subclass 268.1. Compounds
wherein the additional hetero ring contains ring oxygen.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
282.1
The additional hetero ring is six-membered:
This subclass is indented under subclass 281.7. Compounds
wherein six ring atoms are present in the additional hetero
ring.
Subclass:
282.4
Plural ring oxygens in the additional hetero ring:
This subclass is indented under subclass 282.1. Compounds in
which the additional hetero ring contains at least two ring
oxygens.
Subclass:
282.7
Polycyclo ring system having the additional hetero ring as
one of the cyclos:
This subclass is indented under subclass 282.1. Compounds
wherein the additional hetero ring is one of the cyclos of a
polycyclo ring system.
Subclass:
283.1
Chalcogen attached directly to the additional hetero ring by
nonionic bonding:
This subclass is indented under subclass 282.7. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the additional hetero ring
by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
283.4
The additional hetero ring is five-membered:
This subclass is indented under subclass 281.7. Compounds
wherein five ring atoms are present in the additional hetero
ring.
Subclass:
283.7
Plural ring oxygens in the additional hetero ring:
This subclass is indented under subclass 283.4. Compounds in
which the additional hetero ring contains at least two ring
oxygens.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
284.1
Polycyclo ring system having the additional hetero ring as
one of the cyclos:
This subclass is indented under subclass 283.4. Compounds
wherein the additional hetero ring is one of the cyclos of a
polycyclo ring system.
Subclass:
284.4
Chalcogen attached directly to the additional hetero ring by
nonionic bonding:
This subclass is indented under subclass 283.4. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached directly to the additional hetero ring
by nonionic bonding.
Subclass:
284.7
Nitrogen or -C(=X)-, wherein X is chalcogen, attached
directly to the additional hetero ring by nonionic bonding:
This subclass is indented under subclass 283.4. Compounds in
which nitrogen or -C(=X)-, wherein X is chalcogen (i.e.,
oxygen, sulfur, selenium, or tellurium), is attached directly
to the additional hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
285
Polycyclo-carbocyclic ring system having at least three
cyclos:
This subclass is indented under subclass 1. Compounds which
contain a polycyclco-carbocyclic ring system having at least
three cyclos.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
286
Cyano bonded directly to the six-membered hetero ring:
This subclass is indented under subclass 1. Compounds which
contain the C N group bonded directly to the six-membered
hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
287
Additional cyano containing:
This subclass is indented under subclass 286. Compounds which
contain at least two -CbN groups.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
288
Chalcogen bonded directly to ring carbon of the six-membered
hetero ring:
This subclass is indented under subclass 286. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded directly to a ring carbon of the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
289
Nitrogen attached directly to the six-membered hetero ring by
nonionic bonding:
This subclass is indented under subclass 286. Compounds
wherein nitrogen is attached directly to the six-membered
hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
290
Chalcogen bonded directly to ring carbon of the six-membered
hetero ring:
This subclass is indented under subclass 1. Compounds which
contain chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) bonded directly to ring carbon of the six-membered
hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
216 and 242+, for tautomers of chalcogen attached directly
to pyridine or partially hydrogenated pyridine (i.e.,
chalcogen double bonded directly to piperidine), e.g.,
[figure]
Subclass:
291
Chalcogen and acyclic nitrogen bonded directly to the same
carbon:
This subclass is indented under subclass 290. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) and acyclic nitrogen are bonded directly to the
same carbon.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
292
The chalcogen or the acyclic nitrogen is bonded directly to
the six-membered hetero ring:
This subclass is indented under subclass 291. Compounds in
which the chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) or the acyclic nitrogen is bonded directly to the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure] [figure]
Subclass:
293
Sulfur bonded directly to acyclic nitrogen:
This subclass is indented under subclass 290. Compounds
which contain sulfur bonded directly to acyclic nitrogen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
294
Chalcogen bonded directly to chalcogen:
This subclass is indented under subclass 290. Compounds which
contain chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) bonded directly to chalcogen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
295
Halogen bonded directly to the six-membered hetero ring by
nonionic bonding:
This subclass is indented under subclass 294. Compounds which
contain halogen bonded directly to the six-membered hetero
ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
296
Plural chalcogens bonded directly to ring carbons of the
six-membered hetero ring:
This subclass is indented under subclass 290. Compounds
containing at least two chalcogens (i.e., oxygens, sulfur,
selenium, or tellurium) which are bonded directly to ring
carbons of the six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
219 for tautomers of chalcogen attached directly to pyridine
or partially hydrogenated pyridine (i.e., chalcogen double
bonded directly to piperidine), e.g., [figure]
Subclass:
297
Nitrogen attached directly to the six-membered hetero ring by
nonionic bonding:
This subclass is indented under subclass 290. Compounds which
contain nitrogen attached directly to the six-membered hetero
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
298
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the six-membered hetero ring:
This subclass is indented under subclass 290. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly to the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
299
Plural -C(=X)- groups, wherein X Is chalcogen, bonded
directly to the six-membered hetero ring:
This subclass is indented under subclass 298. Compounds which
contain at least two groups bonded directly to the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
300
Nitrogen attached indirectly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 290. Compounds in
which nitrogen is attached indirectly to the six-membered
hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
301
Chalcogen attached indirectly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 290. Compounds in
which chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is attached indirectly to the six-membered hetero
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
302
Halogen attached directly or indirectly to the six-membered
hetero ring by nonionic bonding:
This subclass is indented under subclass 301. Compounds in
which halogen is attached directly or indirectly to the
six-membered hetero ring by nonionic bonding.
(1) Note. Examples of compound provided for herein are:
[figure] [figure]
Subclass:
303
Halogen attached directly or indirectly to the six-membered
hetero ring by nonionic bonding:
This subclass is indented under subclass 290. Compounds in
which halogen is attached directly or indirectly to the
six-membered hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
304
Nitrogen attached directly to the six-membered hetero ring by
nonionic bonding:
This subclass is indented under subclass 1. Compounds wherein
nitrogen is attached directly to the six-membered hetero ring
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
223 and 244, for tautomers of nitrogen attached directly to
pyridine or partially hydrogenated pyridine (i.e., nitrogen
double bonded directly to piperidine), e.g., [figure]
Subclass:
305
Sulfur and acyclic nitrogen bonded directly to the same
carbon:
This subclass is indented under subclass 304. Compounds which
contain sulfur and acyclic nitrogen bonded directly to the
same carbon.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
306
Plural acyclic nitrogens bonded directly to the same carbon
or single bonded directly to each other:
This subclass is indented under subclass 304. Compounds
wherein at least two acyclic nitrogens are bonded directly to
the same carbon or single bonded directly to each other.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
307
Plural nitrogens attached directly to the six-membered hetero
ring by nonionic bonding:
This subclass is indented under subclass 304. Compounds in
which at least two nitrogens are attached directly to the
six-membered hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
308
Acyclic nitrogen bonded directly to A -C(=X)- group, wherein
X Is chalcogen:
This subclass is indented under subclass 307. Compounds in
which acyclic nitrogen is bonded directly to a group,
wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
309
Acyclic nitrogen bonded directly to A -C(=X)- group, wherein
X Is chalcogen:
This subclass is indented under subclass 304. Compounds in
which acyclic nitrogen is bonded directly to a group, wherein
X is chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
310
Having -C(=X)-, wherein X is chalcogen, bonded directly to
the six-membered hetero ring:
This subclass is indented under subclass 304. Compounds
wherein a group, in which X is chalcogen (i.e., oxygen,
sulfur, selenium, or tellurium), is bonded directly to the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
311
The nitrogen bonded additionally only to hydrogen:
This subclass is indented under subclass 304. Compounds in
which the remaining valences of the nitrogen are bonded only
to hydrogen.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
223 and 244, for tautomers of nitrogen attached directly to
pyridine or partially hydrogenated pyridine (i.e., nitrogen
double bonded directly to piperidine), e.g., [figure]
Subclass:
312
Chalcogen attached indirectly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 304. Compounds which
contain chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) attached indirectly to the six-membered hetero
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
313
Thiocarbonyl bonded directly to the six-membered hetero
ring:
This subclass is indented under subclass 1. Compounds wherein
a group is bonded directly to the six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
314
Carbonyl bonded directly to the six-membered hetero ring:
This subclass is indented under subclass 1. Compounds wherein
a group is bonded directly to the six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
315
At 3-position:
This subclass is indented under subclass 314. Compounds in
which the carbonyl group is attached directly to the
3-posiiton of the six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
316
Acyclic nitrogen bonded directly to the carbonyl:
This subclass is indented under subclass 315. Compounds in
which acyclic nitrogen is bonded directly to the carbonyl
group.
(1) Note. Examples of compounds provided for herein are:
[figure]
[figure]
Subclass:
317
Processes of obtaining nicotinamide, per se:
This subclass is indented under subclass 316. Processes
whereby nicotinamide, i.e., pyridine-3-carboxylic acid amide,
is prepared.
(1) Note. Nicotinamide is represented by the structure:
[figure]
Subclass:
318
The carbonyl is in a -COO- group:
This subclass is indented under subclass 315. Compounds in
which the carbonyl is part of a -COO- group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
319
Processes of obtaining nicotinic acid, per se, or a
derivative of nicotinic acid wherein the only substituents
are -COO- Groups, or salt thereof:
This subclass is indented under subclass 318. Processes for
the preparation of nicotinic acid, per se, or of a derivative
thereof wherein the only substituents are additional -COO-
groups, or of salts thereof.
Subclass:
320
By oxidation:
This subclass is indented under subclass 319. Processes
wherein the nicotinic acid or carboxy derivative thereof is
obtained by an oxidation reaction.
Subclass:
321
Additional -COO- group bonded directly to the six-membered
hetero ring:
This subclass is indented under subclass 318. Compounds which
contain an additional -COO- group bonded directly to the
six-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
322
Carbocyclic ring containing:
This subclass is indented under subclass 318. Compounds which
contain a carbocyclic ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
323
Acyclic nitrogen bonded directly to the carbonyl:
This subclass is indented under subclass 314. Compounds in
which acyclic nitrogen is bonded directly to the carbonyl
group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
324
Acyclic nitrogen single bonded directly to acyclic nitrogen:
This subclass is indented under subclass 323. Compounds in
which acyclic nitrogen is single bonded directly to acyclic
nitrogen.
(1) Note. Examples of compounds provided for herein
are: [figure] [figure] [figure]
Subclass:
325
Carbon double bonded directly to one of the acyclic
nitrogens:
This subclass is indented under subclass 324. Compounds in
which carbon is double bonded directly to one of the acyclic
nitrogens.
(1) Note. Examples of compounds provided for herein
are: [figure] [figure] [figure]
Subclass:
326
The carbonyl is in a -COO- group:
This subclass is indented under subclass 314. Compounds in
which the carbonyl group is part of a -COO- group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
327
Processes:
This subclass is indented under subclass 326. Processes of
preparing, purifying, or recovering the carboxy containing
pyridine compound.
Subclass:
328
Acyclic nitrogen attached indirectly to the six-membered
hetero ring by nonionic bonding:
This subclass is indented under subclass 314. Compounds
wherein acyclic nitrogen is attached indirectly to the
six-membered hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
329
Nitrogen attached indirectly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 1. Compounds wherein
nitrogen is attached indirectly to the six-membered hetero
ring by nonionic bonding.
(1) Note. An example of compounds provided for herein is:
[figure] [figure]
Subclass:
330
Cyano attached indirectly to the six-membered hetero ring by
nonionic bonding:
This subclass is indented under subclass 329. Compounds in
which a -CbN group is attached indirectly to the six-membered
hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
331
Sulfur and acyclic nitrogen bonded directly to the same
carbon:
This subclass is indented under subclass 329. Compounds which
contain a carbon atom to which is bonded directly sulfur and
acyclic nitrogen.
(1) Note. Examples of compounds provided for herein
are: [figure] [figure]
Subclass:
332
Plural acyclic nitrogens bonded directly to the same carbon
or single bonded directly to each other:
This subclass is indented under subclass 329. Compounds
wherein at least two acyclic nitrogens are bonded directly to
the same carbon or single bonded directly to each other.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
333
The six-membered hetero ring and another ring bonded directly
to the same carbon:
This subclass is indented under subclass 329. Compounds
wherein the six-membered hetero ring and another ring are
bonded directly to the same carbon.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
334
Chalcogen attached indirectly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 329. Compounds
wherein chalcogen (i.e., oxygen, sulfur, selenium, or
tellurium) is bonded indirectly to the six-membered hetero
ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:
[figure]
Subclass:
335
The chalcogen, X, is part of a -C(=X)X- group, wherein the
X's are the same or diverse chalcogens:
This subclass is indented under subclass 334. Compounds in
which the chalcogen, X, is part of a group, wherein the X's
are the same or diverse chalcogens (i.e., oxygen, sulfur,
selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
336
Acyclic nitrogen bonded directly to A -C(=X)- group wherein X
is chalcogen:
This subclass is indented under subclass 334. Compounds
wherein acyclic 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:
337
Additional ring containing:
This subclass is indented under subclass 336. Compounds which
include an additional ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
338
Acyclic nitrogen bonded directly to chalcogen:
This subclass is indented under subclass 334. Compounds
wherein acyclic nitrogen is bonded directly to chalcogen
(i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:
[figure] [figure] [figure]
Subclass:
339
Chalcogen attached indirectly to the six-membered hetero ring
by nonionic bonding (e.g., sulfato betaines, etc.):
This subclass is indented under subclass 1. Compounds wherein
chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is
attached indirectly to the six-membered hetero ring by
nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
340
The chalcogen, X, is in a -C(=X)- group:
This subclass is indented under subclass 339. Compounds in
which the chalcogen, X (i.e., oxygen, sulfur, selenium, or
tellurium), is in a group.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
341
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are
the same or diverse chalcogen:
This subclass is indented under subclass 340. Compounds in
which the is part of a group, wherein 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:
342
Additional ring containing:
This subclass is indented under subclass 341. Compounds which
contain an additional ring.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
343
The six-membered hetero ring and another ring bonded directly
to the same carbon:
This subclass is indented under subclass 339. Compounds
wherein the six-membered hetero ring and another ring are
bonded directly to the same carbon.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
344
The chalcogen is in an -OH or -OM group (M is group IA or
group IIA light metal):
This subclass is indented under subclass 339. Compounds in
which the chalcogen is part of an -OH or -OM group; wherein M
is a Group IA or Group IIA metal having a specific gravity
less than four.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
345
Halogen attached directly to the six-membered hetero ring by
nonionic bonding:
This subclass is indented under subclass 1. Compounds wherein
halogen is attached directly to the six-membered hetero ring
by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
346
Halogen attached indirectly to the six-membered hetero ring
by nonionic bonding:
This subclass is indented under subclass 1. Compounds wherein
halogen is attached indirectly to the six-membered hetero
ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
347
The ring nitrogen of the six-membered hetero ring is
pentavalent (e.g., quaternary pyridinium salts, etc.):
This subclass is indented under subclass 1. Compounds in
which the ring nitrogen of the six-membered ring is
pentavalent.
(1) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
348
Unsubstituted or hydrocarbyl substituted only or salts
thereof:
This subclass is indented under subclass 1. Compounds in
which the six-membered hetero ring is unsubstituted or
substituted by hydrocarbon radicals only, or salts thereof.
(1) Note. Hydrocarbon radicals consist of carbon and
hydrogen only. A substituent containing any other atom would
not be provided for herein.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
349
Alkylation or dealkylation process:
This subclass is indented under subclass 348. Processes in
which an alkyl group is formed or removed.
Subclass:
350
Unsaturated hydrocarbyl side chain:
This subclass is indented under subclass 348. Compounds which
contain an unsaturated hydrocarbon side chain.
(1) Note. An unsaturated hydrocarbon side chain is a chain
consisting of carbon and hydrogen which contains at least one
double or triple bond.
(2) Note. Examples of compounds provided for herein are:
[figure] [figure]
Subclass:
351
Stabilized alkenyl pyridines:
This subclass is indented under subclass 350. Compounds which
are alkenyl substituted pyridines that have been stabilized
against polymerization.
(1) Note. This stabilization is normally accomplished by
adding to the alkenyl pyridine a polymerization inhibiting
amount of certain compounds, such as an alkali-metal
polysulfide, an iron halide, an indigo, etc.
Subclass:
352
Process of forming the unsaturated hydrocarbyl side chain:
This subclass is indented under subclass 350. Processes
whereby the unsaturated hydrocarbon side chain on the
six-membered hetero ring is formed.
(1) Note. Examples of processes provided for herein are:
[figure] [figure]
Subclass:
353
Purification or recovery:
This subclass is indented under subclass 348. Processes
wherein the unsubstituted or hydrocarbyl substituted pyridine
is separated from impurities or from the reaction medium.
(1) Note. This subclass provides for such processes as the
vapor phase separation or 2,6-lutidine from beta- and
gamma-picolines, the separation of aromatic pyridines using
alkylene carbonates, the recovery of pyridine bases, the
purification of 3-picoline, etc.
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
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email: oeip@uspto.gov
Last Modified: 6 October 2000