What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 987 Class Title: ORGANIC COMPOUNDS CONTAINING A Bi, Sb, As, OR P ATOM OR CONTAINING A METAL ATOM OF THE 6TH TO 8TH GROUP OF THE PERIODIC SYSTEM Subclass Subclass Number Title * **************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 1 COMPOUND CONTAINS TWO OR MORE HEAVY METAL ATOMS WHICH ARE IN DIFFERENT GROUPS OF THE PERIODIC SYSTEM (19/00; 19/00B) 2 HEAVY METAL COMPOUNDS WHEREIN THE METAL IS BONDED DIRECTLY TO AT LEAST TWO RING SYSTEMS (METALLOCENES) (17/00) 3 .Group 8 metal atom (Fe, Co, Ni, Pt, Rh, Pd, Ru, Ir, Os) (17/02) 4 COBALT COMPOUNDS (15/06) 5 .Devoid of any cobalt atom directly bonded to carbon (15/06B) 6 NICKEL COMPOUNDS (15/04) 7 .Devoid of any nickel atom directly bonded to carbon (15/04B) 8 IRON COMPOUNDS (15/02; 15/03) 9 .Devoid of any iron atom directly bonded to carbon (15/02B) 10 PLATINUM COMPOUNDS (15/00N7) 11 .Devoid of any platinum atom directly bonded to carbon (15/00N7B) 12 RHODIUM COMPOUNDS (15/00N6) 13 .Devoid of any rhodium atom directly bonded to carbon (15/00N6B) 14 PALLADIUM COMPOUNDS (15/00N5) 15 .Devoid of any palladium atom directly bonded to carbon (15/00N5B) 16 RUTHENIUM COMPOUNDS (15/00N4; 15/00N4B) 17 IRIDIUM COMPOUNDS (15/00N3; 15/00N3B) 18 OSMIUM COMPOUNDS (15/00N2; 15/00N2B) 19 COMPOUNDS CONTAINING ELEMENTS OF THE 7TH GROUP OF THE PERIODIC SYSTEM (Mn, Tc, Re) (13/00) 20 .Devoid of any Group 7 atom directly bonded to carbon (13/00B) 21 COMPOUNDS CONTAINING ELEMENTS OF THE 6TH GROUP OF THE PERIODIC SYSTEM (Cr, Mo, W, Po) (11/00) 22 .Devoid of any Group 6 atom directly bonded to carbon (11/00B) 23 BISMUTH COMPOUNDS (9/94) 24 ANTIMONY COMPOUNDS (9/90; 9/90B; 9/90C; 9/90D; 9/90E) 25 .Contains aryl group (9/92) 26 ARSENIC COMPOUNDS (9/70C) 27 .Arsenic compounds devoid of any arsenic as ring atom in a ring system (9/66; 9/68; 9/70; 9/70B; 9/72; 9/72B; 9/72C) 28 ..Ring system containing at least one atom other than metal or carbon as ring atoms (9/80; 9/80B; 9/80C; 9/82; 9/84; 9/86; 9/88) 29 ..Contains aryl group (9/74; 9/74B; 9/74C; 9/76; 9/78) 30 PHOSPHORUS COMPOUNDS (9/02; 9/06) 31 .Compound contains a ring which is devoid of a metal atom as ring member and wherein the ring contains at least one atom other than C, N, O, S, P, Se, or Te as a ring atom; e.g., boron, etc. (9/6596) 32 .Compound contains at least one atom of silicon or boron (9/02G)) 33 .Compound contains a ring which is devoid of a metal atom and contains at least one P atom as ring member (9/6564; 9/6564V; 9/6568; 9/6568B; 9/6568C; 9/6568D; 9/6568E; 9/6568F) 34 ..Ring contains N and P only, or may include in addition to the required N and P, only C, S, or O (9/6581; 9/6584; 9/6584A) 35 ...Ring contains at least two P atoms (9/6581D; 9/6587; 9/659; 9/6593) 36 ..Ring contains S and P only, or may include in addition to the required S and P, only C or O (9/6578; 9/6578D) 37 ..Ring contains O and P only, or may include in addition to the required O and P, only C (9/6571) 38 ...P in ring is directly bonded to at least two O atoms which are in separate rings (9/6571A8; 9/6574A8) 39 ...Ring contains a P(O) group as atoms within the ring and wherein all atoms bonded to the P atom within the ring, or extracyclic to the ring, are oxygen (9/6574; 9/6574A1) 40 ....Two or more rings contain at least one P(O) group and wherein at least two P atoms in the two rings are bonded solely to O, or wherein the compound contains two P atoms in a single ring and all bonds of the P atoms are to O (includes spiro rings) (9/6574A6) 41 ....P(O) group containing ring is part of a condensed or bridged carbocyclic ring system (9/6574A4) 42 ...Contains P(O) group as atoms in the ring and wherein the P atom is directly bonded to N (9/6571B) 43 ...Contains P and O as ring atoms and wherein the P atom is directly bonded to a C atom (9/6571L) 44 ....P atom bonded to C is also bonded directly to two O atoms which are in the same ring as P (9/6571L4) 45 ....P atom bonded to C is bonded to an O atom which is in the same ring as P (9/6571L2; 9/6571L6) 46 ...Contains P(O) group as ring atoms and wherein the P atom is directly bonded to extracyclic S (9/6571A; 9/6571A1) 47 ....Two or more rings contain at least one P-O bond and wherein at least two P atoms in the two rings are bonded to S (includes spiro) (9/6571A6) 48 ....P(O) containing ring is part of a condensed or bridged ring carbocyclic system (9/6571A4) 49 .Ring is devoid of a P or a metal atom and contains at least one hereto atom (O, S, N, Se, or Te) and may or may not contain C (9/547; 9/6524) 50 ..At least two rings, each ring containing at least one hetero atom, and wherein the rings are condensed directly to each other or condensed together through a common carbocyclic ring system (9/6561) 51 ...Six-membered ring containing exactly two N atoms as sole hetero atoms shares two of its adjacent C atoms with a five-membered ring containing exactly two N atoms as sole hetero shares; e.g., purine and analogs, etc. (9/6561E) 52 ...Six-membered ring shares a N and C atom with a four-membered ring wherein the six-membered ring contains a C or hetero atom in position 5 and no other hetero atom, the four-membered ring contains the single N as hetero atom; e.g., cephalosporins and analogs, etc. (9/6561B) 53 ...Five-membered ring shares a N and C atom with a four-membered ring wherein the six-membered ring contains a C or hetero atom in position 4 and no other hetero atom, the four-membered ring contains the single N as hetero atom;; e.g., penicillins and analogs, etc. (9/6561A) 54 ..At least two different rings containing hetero atoms or wherein, if the rings are the same, the substituents on at least two of the rings are different (9/6558; 9/6558B) 55 ...At least one of the rings is devoid of N as ring atom (9/6558C) 56 ..Ring contains S only, or may include in addition to the required S, only C, Se, or Te (9/6553) 57 ...Ring is condensed or bridged to a carbocyclic ring system (9/6553V) 58 ..Ring contains O only, or may include in addition to the required O, only C, S, Se, or Te (9/655) 59 ...Three-membered ring containing one O and two C's (9/655J; 9/655J38) 60 ...Ring is condensed or bridged to a carbocyclic ring system (9/655V) 61 ..Ring contains N and S only, or may include in addition to the required N and S, only C, O, Se, or Te (9/6536) 62 ...Ring contains exactly six atoms (9/6544; 9/6547) 63 ...Ring contains exactly five atoms (9/6539) 64 ....Five-membered ring is condensed or bridged to a carbocyclic ring system (9/6541) 65 ..Ring contains N and O only, or may include in addition to the required N and O, only C (9/6527; 9/653; 9/653V) 66 ...Ring contains exactly six atoms (9/6533; 9/6533V) 67 ..Exactly three N atoms as only hetero atoms in ring (9/6515) 68 ...Six-membered ring containing three N and three C atoms (9/6521; 9/6521E; 9/6521G; 9/6521R) 69 ....Six-membered ring is condensed or bridged to a carbocyclic ring system (9/6521V) 70 ....C atom of ring is bonded directly to a P atom, or is bonded directly to a hetero atom other than N and the hetero atom is directly bonded to a P atom (9/6521K) 71 ...Five-membered ring containing three N and two C atoms (9/6518; 9/6518G; 9/6518R) 72 ....Five-membered ring is condensed or bridged to a carbocyclic ring system (9/6518V) 73 ....C atom of ring is bonded directly to a P atom or is bonded directly to a hetero atom other than N and which hetero atom is directly bonded to a P atom (9/6518K) 74 ....N atom of ring is bonded directly to a P atom or is bonded indirectly to a P atom other than through a ring atom of the five-membered ring (9/6518E) 75 ..Exactly two N's as only hetero atom in ring (9/645) 76 ...Six-membered ring containing two N and four C atoms (9/6509; 9/6509B2; 9/6509B2E; 9/6509B2G; 9/6509B2K; 9/6509B2R) 77 ....N in 1 and 3 ring positions (9/6512; 9/6512E; 9/6512G; 9/6512R) 78 .....Ring is condensed or bridged to a carbocyclic ring system (9/6512V) 79 .....C atom of ring is directly bonded to a P atom (9/6512K; 9/6512K4) 80 .....C atom of ring is bonded directly to a hetero atom other than N and which hetero atom is bonded directly to a P atom (9/6512K2) 81 ....N in 1 and 4 ring positions (9/6509B4; 9/6509B4G; 9/6509B4K; 9/6509B4R; 9/6509B4V) 82 .....N atom of ring is bonded directly to a P atom or iss indirectly bonded to a P atom other than through a ring atom of the six-membered ring (9/6509B4E) 83 ....N in 1 and 2 ring positions and wherein the ring is condensed or bridged to a carbocyclic ring system (9/6509B2V) 84 ...Five-membered ring containing two N's (9/6503; 9/6503B2; 9/6503B2G; 9/6503B2K; 9/6503B2R) 85 ....N in 1 and 3 ring positions (9/6506; 9/6506G; 9/6506K; 9/6506R) 86 .....Five-membered ring is condensed or bridged to a carbocyclic ring system (9/6506V) 87 .....N atom of ring is bonded directly to a P atom or is indirectly bonded to a P atom other than through a ring atom of the five-membered ring (9/6506E) 88 ....N in 1 and 2 ring positions and wherein the ring is condensed or bridged to a carbocyclic ring system (9/6503B2V) 89 ....At least one N in 1 and 2 ring positions is bonded directly or indirectly to a P atom (9/6503B2E) 90 ..Single N as only hetero atom in ring (9/553; 9/568) 91 ...Seven or more atoms in ring containing the single N atom (9/553A7) 92 ...Six atoms in ring containing the single N atom (9/576) 93 ....Acridine or hydrogenated acridine ring (9/64) 94 ....Isoquinoline or hydrogenated isoquinoline ring (9/62) 95 ....Quinoline or hydrogenated quinoline ring (9/60) 96 ....Hydrogenated pyridine ring (9/59; 9/59G; 9/59K; 9/59K2; 9/59K4; 9/59R) 97 .....Ring is condensed or bridged to a carbocyclic ring system (9/576V) 98 .....N of ring is bonded directly to a P atom or is indirectly bonded to a P atom other than through a ring atom of the hydrogenated pyridine ring (9/59E) 99 ....Pyridine ring (9/58; 9/58G; 9/58R) 100 .....C atom of ring is bonded directly to a P atom (9/58K; 9/58K4) 101 .....C atom of ring is bonded directly to a hetero atom other than N and which hetero atom is bonded directly to a P atom (9/58K2) 102 .....N atom of ring is bonded directly to a P atom or indirectly to a P atom other than through a ring atom of the pyridine ring (9/58E) 103 ...Five-membered ring containing a single N atom (9/572; 9/572G; 9/572K; 9/572K2; 9/572K4; 9/572R) 104 ....Ring is condensed or bridged to a carbocyclic ring system (9/572V) 105 ....N atom of ring is bonded directly to a P atom or indirectly to a P atom other than through a ring atom of the five-membered ring (9/572E) 106 ...Four-membered ring containing a single N atom is condensed or bridged to a carbocyclic ring system (9/568V) 107 ...N atom of four-membered ring containing a single N atom is bonded directly to a P atom or indirectly to a P atom other than through a ring atom of the four-membered ring (9/568E) 108 ...Three-membered ring containing a single N atom (9/564) 109 .Quaternary compounds containing the structure (C)a-P-(Z)b where a+b=4, a=1-3, b=1-3, and Z is an atom other than C or H (9/54K)) 110 .Quaternary phosphonium compounds (C)a-P-(H)b wherein a+b=4, a=1-4, b=1-3, (9/54; 9/54A1; 9/54A1+W; 9/54A1+W2) 111 ..Contains the structure aryl-(C)n-P where n is at least one (9/54A7) 112 ..Contains two or more phosphonium P atoms (9/54A6) 113 ..Contains the structure (aryl group*)-P where * indicates a direct bond between a carbon of the aryl ring and the P atom (9/54A4) 114 ..Contains the structure "carbocyclic ring"-P where "--" indicates that a ring carbon of the carbocyclic ring may or may not be bonded directly to the P atom (9/54A3) 115 ..Contains the structure "ethylenic group"-P where "--" indicates that a carbon of the ethylenic group may or may not be bonded directly to the P atom (9/54A2) 116 .Contains at least one (C)-P bond (9/28) 117 ..Pentavalent P compound containing a P(=N) bond and wherein the P atom is bonded directly to three carbon atoms (9/535D; 9/535D2) 118 ..Pentavalent P compound containing a P(=C) bond and wherein the P atom is not bonded directly to chalcogen (9/535B) 119 ..Pentavalent P compound containing at least one bond to carbon and wherein the other four valences are bonded directly to four separate atoms, none of which are chalcogen (9/535) 120 ..Pentavalent P compound having the structure (X=C*)-P(=X) or (cyano*)-P(=X) where X is chalcogen, * indicates a direct bond of the C of the C=X group or of the C of the cyano group directly to the P atom, and the other atoms bonded directly to the P atom are either carbon and hydrogen (9/53A9; 9/53P; 9/53Y) 121 ..Pentavalent P compound having the structure (C)-P(=X)(C or H)(C or H) where X is chalcogen (9/53) 122 ...At least one of the carbon atoms bonded to the P atom is not part of an aryl ring and is bonded directly to an aryl ring or is bonded to an aryl ring through a chain of acyclic carbon atoms (9/53A7) 123 ...Compound having two or more (C)-P(=X) groups or at least one (X=)-P-(C)-P(=X) group (9/53A6) 124 ...Compound contains a ring composed solely of carbon atoms or contains an ethylenic group (9/53A3; 9/53A4) 125 ...Compound contains a nitrogen or halogen atom or contains a chalcogen atom other than bonded to the P atom (9/53A1; 9/53A2) 126 ..Trivalent compounds having the structure (Hal)-P-(C)(C or H), or (Hal)-2-P(C), or pentavalent compounds having the structure (Hal)-P(=X)(C) (C or H) or (Hal)2-P(=X)(C) where X is chalcogen (9/52) 127 ..Trivalent P compound having the structure (C or H)(C)-P-P-(C)(C or H) (9/50P) 128 ..Trivalent P compound containing a metal atom and having the structure (C)-P(C or H or Metal) (C or H or Metal) (9/50Y; 9/50Z; 9/50Z2; 9/50Z4; 9/50Z6; 9/50Z8) 129 ..Trivalent P compound having the structure (C)-P-(C or H)(C or H) (9/50) 130 ...Contains the structure (X=C*)-P or (cyano*) where X is chalcogen, and where * indicates a direct bond of the C of the C=X group or of the C of the cyano group to the P atom (9/50A9) 131 ...At least one of the carbon atoms bonded to the P is not partt of an aryl ring and is bonded directly to an aryl ring, or is bonded to an aryl ring through a chain of carbon atoms only (9/50A7) 132 ...Compound has two or more (C)-P(C or H)(C or H) groups or at least one (C or H)-P-(C)-P-(C or H) group (9/50A6) 133 ...Contains ring solely composed of carbon atoms or at least one ethylenic group (9/50A2; 9/50A3; 9/50A4) 134 ...Contains an atom other than C, P, or H (9/50A1) 135 ..Trivalent P compound having the structure (C)-P-(N) or (C)-P(Hal) (9/48F; 9/48H) 136 ..Trivalent P having the structure (C)2-P(XH or X-Salt) or pentavalent P having the structure (C)2-P(=X) (XH or X-Salt) where X is chalcogen (9/46) 137 ..Trivalent P having the structure (C)-P-(XH or X-Salt) (XH or X-Salt or H) or pentavalent P having the structure (C)-P(=X) (XH or X-Salt) (XH or X-Salt or H) where X is chalcogen (9/48) 138 ...Contains ring solely composed of carbon atoms or contains an ethylenic group (9/48A2; 9/48A3; 9/48A4) 139 ...Contains two or more P atoms or contains an atom other than C, H, or the required chalcogen atom (9/48A1; 9/48A6) 140 ..Pentavalent P having the structure (C)-P(=X) (X) (N) or (C)-P(=X) (N)2 where X is chalcogen (9/44; 9/44A; 9/44A1; 9/44A6; 9/44A9; 9/44B; 9/44B1; 9/44B9) 141 ...Contains the structure (C)-P(=X) (X) (N-*acyl), (C)-P(=X) (X) (N-*Z) or (C)-P(=X) (X) (N-*cyano) where Z is an atom other than C or H and * indicates a direct bond to the adjacent N atom (9/44C9; 9/44C9+Q; 9/449+U) 142 ...Contains the structure (C)-P(=X) (X) (N-Q) where Q is a radical containing an atom other than C or H, or contains a ring composed solely of carbon atoms or contains an ethylenic group (9/44C; 9/44C1; 9/44C2; 9/44C3; 9/44C4; 9/44C7) 143 ...Compound contains a ring composed solely of carbon atoms or contains an ethylenic group (9/44A2; 9/44A3; 9/44A4; 9/44A7; 9/44B2; 9/44B3; 9/44B4; 9/44B7) 144 ..Pentavalent P having the structure (C)-P(=X) (X) (Hal) (X) or (C)-P(=X) (Hal)2 wherein X is chalcogen (9/42) 145 ...Contains the structure (C)-P(=X) (X*Y) (Hal) where Y is carbon or hydrogen and * indicates a direct bond to the adjacent X atom (9/42H) 146 ..Pentavalent P having the structure (C)-P(=X) (X) (X) where X is chalcogen (9/38) 147 ...Pentavalent P having the structure (C)-P(=X) (X) (X-*C) and * indicates a direct bond to the adjacent X atom (9/40) 148 ....Contains the structure (C)-P(=X) (X) (X-*acyl), (C)-P(=X) (X-C) (X-*Z), or (C)-P(=X) (X) (X-*cyano) where Z is an atom other than C or H and * indicates a direct bond to the adjacent X atom (9/40C9; 9/40C9+Q; 9/40C9+U) 149 ....Contains the structure (C)-P(=X) (X) (X-aryl) (9/40C4) 150 .....Carbon of aryl ring is bonded directly to the X atom (9/40C7) 151 ....Contains the structure (C)-P(=X) (X) (X-carbocyclic ring) (9/40C3) 152 ....Contains the structure (C)-P(=X) (X) (X-ethylenic group) (9/40C2) 153 ....Contains the structure (X=C*)-P(=X) (X) (X-C) or (cyano*)-P(=X) (X) (X-C) where * indicates a direct bond of the C of the C=X group or of the C atom of the cyano groupp directly to the P atom (9/40A9; 9/40A9+Q) 154 ....Contains the structure aryl-(C)n-P(=X) (X) (X-C) where n is at least one (9/40A7; 9/40A7+P) 155 ....Contains two or more (C)-P(=X) (X) (X-C) groups at least one (C-X) (X) (X=)-P-(C)-P(=X) (X) (X-C) group (9/40A6; 9/40A6+J; 9/40A6+U) 156 ....Contains the structure (aryl*)-P(=X) (X) (X-C), * indicates a direct bond between a carbon of the aryl ring, and the P atom (9/40A4) 157 ....Contains the structure "carbocyclic ring" -P(=X) (X) (X-C) where "--" indicates that a ring carbon of the carbocyclic ring may or may not be directly bonded to the P atom (9/40A3) 158 ....Contains the structure "ethylenic group"-P(=X) (X) (X-C) where "--" indicates that a C of the ethylenic group may or may not be bonded directly to the P atom (9/40A2) 159 ....Contains the structure (C)-P(=X) (X) (X-C-Q) where Q is a moiety containing an atom other than C or H (9/40C; 9/40C1) 160 ....Contains the structure Q-(C)-P(=X) (X) (X-C) where Q is a moiety containing an atom other than C or H (9/40A; 9/40A1; 9/40A1+U9; 9/40B) 161 ...Contains the structure (X=C)-P(=X) (X) (X) or (cyano*)-P(=X) (X) (X) where * indicates a direct bond of the C of the C=X group or of the C atom of the cyano group to the P atom (9/38A9) 162 ...Contains the structure aryl-(C)n-P(=X)(X) (X) where n is at least one (9/38A7) 163 ...Contains two or more P atoms (9/38B) 164 ....Two or more (C)-P(=) (X) (X) (X) or at least one (X) (X) (X=)-P-(C)-P-(=X) (X) (X) group (9/38A6; 9/30A6+J; 9/38A6+U) 165 ...Contains the structure (aryl group*)-P(=X) (X) (X) where * indicates a direct bond of one of the carbon atoms of the aryl group to the P atom (9/38A4) 166 ...Contains the structure "carbocyclic ring"-P-(=X) (X) (X) where "--" indicates that a ring carbon of the carbocyclic ring may or may not be directly bonded to the P atom (9/38A3) 167 ...Contains the structure "ethylenic group"-P(=X) (X) (X) where "--" indicates that a carbon atom of the ethylenic group may or may not be directly bonded to the P atom (9/38A2) 168 ...Contains the structure Q-(C)-P(=X) (X) (X) where Q is a moiety containing an atom other than C or H (9/38A1; 9/38A1+U6; 9/38A1+U9) 169 ..Pentavalent P having the structure (C)2-P(=X) (N) where X is chalcogen (9/36) 170 ..Pentavalent P having the structure (C)2-P(=X)(Hal) where X is chalcogen (9/34) 171 ..Pentavalent P having the structure (C)2-P(=X) (X-C) where X is chalcogen (9/32) 172 ...Contains the structure (C)2-P-(X) (X-*acyl), (C)2-P(=X) (X-*Z) or (C)2-P(=X) (X-*cyano) where Z is an atom other than C or H and * indicates a direct bond to the adjacent X atom (9/32C9) 173 ...Contains the structure (C)2-P(=X) (X-carbocyclic ring) (9/32C3; 9/32C4; 9/32C7) 174 ...Contains the structure (C)2-P(=X) (X-ethylenic group) (9/32C2)) 175 ...Contains the structure (X=C*)-P(=X) (C) (X-C) or cyano*)-P-(=X)(C)(X-C) where * indicates a direct bond of the C of the C=X group or the C atom of the cyano group to the P atom (9/32A9; 9/32A9+Q) 176 ...Contains two or more (C)-P(=X) (C) (X-C) groups or at least one (X-C) (C) (X=)P-(C)-P(=X) (C) (X-C) group (9/32A6) 177 ...Contains the structure "carbocyclic ring"-P(=X) (C) (X-C) where "--" indicates that a ring carbon of the carbocyclic ring may or may not be directly bonded to the P atom (9/32A3; 9/32A4; 9/32A7) 178 ...Contains the structure "ethylenic group"-P(=X) (C) (X-C) where "--" indicates that a carbon atom of the ethylenic group may or may not be bonded directly to the P atom (9/32A2) 179 ...Contains the structure (C)-P(=X) (C) (X-C-Q) where Q is a moiety containing an atom other than C or H (9/32C; 9/32C1) 180 ...Contains the structure Q-(C)-P(=X) (C) (X-C) where Q is a moiety containing an atom other than C or H (9/32A; 9/32A1) 181 ..Pentavalent P having the structure (C)2-P(=X) (X-B) where X is chalcogen and B represents an atom other than C (9/30; 9/30B) 182 ...Contains the structure (X=C*)-P(=X) (C) (X-B) or (cyano*)-P(=X) (C) (X-B) where * indicates a bond of the C of the C=X group or of the C of the cyano group directly to the P atom (9/30A9) 183 ...Contains two or more (C)-P(=X) (C) (X-B) groups or at least one (B-X) (C) (X=)-P-(C)-P-(=X) (C) (X-B) group (9/30A6) 184 ...Contains the structure "carbocylic group"-P(=X) (C) (X-B) where "--" indicates that a ring carbon of the carbocyclic ring may or may not be directly bonded to the P atom (9/30A3; 9/30A4; 9/30A7) 185 ...Contains the structure "ethylenic group"-P(=X) (C) (X-B) where "--" indicates that a carbon atom of the ethylenic group may or may not be directly bonded to the P atom (9/30A2) 186 ...Contains a Q-(C)-P(=X) (C) (X-B) group wherein Q is a moiety containing an atom other than C or H (9/30A1; 9/30A1+U6) 187 .Phosphorus directly bonded to N, i.e., P(N) (9/22; 9/22A) 188 ..P(=N) group containing (9/06B; 9/06B2; 9/06B2D) 189 ..(Hal)-P-(N) group containing (9/26) 190 ..P(N) (N) (N) group containing (9/22C) 191 ..P-(N=C=X) where X is chalcogen or P(-N-N) (9/22D; 9/22E) 192 ..Contains the structure (N)-P-(X-*acyl), (N)-P-(X-*Z) or (N)-P-(X-*cyano) where Z is an atom other than C or H, X is a chalcogen atom, and * indicates a direct bond to the adjacent X atom (9/24A9; 9/24A9+M; 9/24A9+Q; 9/24A9+U; 9/24A9+W) 193 ..Contains the structure P-(N-*acyl), P-(N-*Z) or (N-*cyano) where Z is an atom other than C or H and * indicates a direct bond to the adjacent N atom (9/24C9; 9/24C9+M; 9/24C9+Q; 9/24C9+U; 9/24C9+W) 194 ..Contains the structure (N)-P-(X-C) wherein X is chalcogen atom, i.e., estramides (9/24) 195 ...(C-X)-P-(N-carbocyclic ring) (9/24C3; 9/24C4; 9/24C7) 196 ...(C-X)-P-(N-ethylenic group) (9/24C2) 197 ...Aryl ring-(X)-P-(N) (9/24A4) 198 ....Aryl-(C)n-(X)-P-(N) wherein n is at least one (9/24A7) 199 ...Carbocyclic ring-(X)-P-(N) (9/24A3) 200 ...Ethylenic group-(X)-P-(N) (9/24A2) 201 ...C-(X)-P-(N)-C-Q wherein Q contains an atom other than C or HH (9/24C; 9/24C1) 202 ...Q-C-(X)-P-(N) or compound contains two or more P atoms and wherein Q contains an atom other than C or H (9/24A; 9/24A1; 9/24A6) 203 .Pentavalent P containing the structure (Hal)-P(X-C) wherein X is a chalcogen atom (9/14) 204 ..S, Se, or Te is bonded directly to the P atom (9/20; 9/20B2; 9/20B4) 205 ..Containing the structure (Hal)-P-(O-ethylenic) or (Hal)-P-(O-aryl) (9/14B2; 9/14B4) 206 .Trivalent P containing the structure (Hal)-P-(X-C) wherein X is a chalcogen atom (9/146; 9/206) 207 .Trivalent P containing the structure P-(X-C) wherein a S, Se, or Te atom is directly bonded to the P atom and wherein X is chalcogen (X may qualify as the required S, Se, or Te atom) (9/201; 9/201A1; 9/202; 9/203) 208 ..Containg the structure P-(X-carbocyclic ring) (9/204; 9/205) 209 .Pentavalent P containing the structure P-(X-C) wherein a S, Se, or Te is directly bonded to the P atom and wherein X is chalcogen (X may qualify as the required S, Se, or Te atom) (9/16; 9/165; 9/165A1) 210 ..Two or more P atoms (9/165A6; 9/165B) 211 ..Containing the structure P-(X-*acyl), P-(X-*Z) or P-(X-*cyano) wherein Z is other than C, H, or a salt forming moiety and * indicates a direct bond to the adjacent X atom (9/165A9; 9/165A9+M; 9/165A9+Q; 9/165A9+U) 212 ..Containing the structure P-(X-aryl ring) (9/18) 213 ...Containing the structure P-(X)-[C]n-Aryl wherein n is at least one and the aryl ring is bonded to the X atom by a chain of only acyclic carbon atoms (9/165A7) 214 ..Containing the structure P-(X-carbocyclic ring) (9/177) 215 ..Containing the structure P-(X-ethylenic group) (9/173) 216 ..Containing the structure P-(X-unsubstituted alkyl) wherein all of the X atoms in the molecule which are single bonded to the P atom are bound directly to carbon radicals containing only carbon and hydrogen atoms (9/17) 217 .P is trivalent and contains the structure P-(O-C) or P-(O-Z) where Z is an atom other than H (9/141; 9/141A1) 218 ..Containing the structure P-(O-*acyl), P-(O-*Z) wherein Z is an atom, other than C, H, or a salt former, or P-(O-*cyano) where * indicates a direct bond to the adjacent oxygen atom (9/141A9; 9/09A9+Q; 9/09A9+U) 219 ..Containing the structure P-(O-carbocyclic ring) (9/145) 220 ...Ring is other than aryl (9/144) 221 ...Contains the structure P-(O)-[C]n-aryl wherein n is at least one and the aryl ring is bonded to the O atom through a chain of only carbon atoms (9/141A7) 222 ..Containing the structure P-(O-ethylenic group) (9/143) 223 ..Containing the structure P-(O-unsubstituted alkyl) wherein all of th O atoms in the molecule which are single bonded to the P atom are bound directly to carbon radicals containing only carbon and hydrogen atoms (9/142) 224 .P is pentavalent and contains the structure P-(O-C) or P-(O-Z) where Z indicates an atom other than H (9/09; 9/09A1) 225 ..Containing the structure P-(O-*acyl), P-(O-*Z) wherein Z is an atom other than C or H, or P-(O*cyano) where * indicates a direct bond to the adjacent oxygen atom (9/09A9; 9/09A9+Q; 9/09A9+U)) 226 ..Contains two or more P atoms (9/09B) 227 ...Containing the structure P-(O)-C-[K]-C-(O)-P wherein K is an organic residue (9/09A6) 228 ..Containing the structure P-(O-carbocyclic ring) (9/12) 229 ...Ring is other than aryl (9/117) 230 ...Contains the structure P-(O)-[C]n-aryl wherein n is at least one and the aryl ring is bonded to the O atom through a chain of only carbon atoms (9/09A7) 231 ..Containing the structure P-(O-ethylenic group) (9/113) 232 ..Containing the structure P-(O-unsubstituted alkyl) wherein all of the O atoms in the molecule which are single bonded to the P atom are bound directly to carbon radicals containing only carbon and hydrogen atoms (9/11) 233 ..Alchohol moiety of ester contains at least three hydroxyl functions or derivatives thereof and wherein the oxygen atoms of the derivative can be attributed to the hydroxyl functions; e.g., phosphatides, lecithin, etc. (9/10) 234 .Reaction products of at least one compound containing both P and S atoms with a hydrocarbon or the reaction product of a P an a S reactant with a hydrocarbon (reactant P and S can be in elemental or compound form) (9/04) 300 COMPOUND CONTAINS BOTH A PHOSPHORUS AND A METAL ATOM (9/02A) 301 .Compound contains at least one atom of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Tc, or Re (9/02E) 302 .Compound contains at least one atom of Al, Ga, In, Tl, Ge, Sn, or Pb (9/02D) 303 .Compound contains at least one atom of Cu, Zn, Ag, Cd, Au, or Hg (9/02C) 304 .Compound contains at least one atom of Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, or Pt (9/02B) 350 PHOSPHORUS CONTAINING AT LEAST ONE NITROGEN ATOM AS SOLE HETERO ATOM (9/65) 351 .Ring contains at least four nitrogen atoms (9/65D; 9/65D1; 9/65D2; 9/65D3; 9/65D3B) 352 .Ring contains three nitrogen atoms (9/65C) 353 ..Six-membered ring contains the three N atoms (9/65C6; 9/65C6E; 9/65C6G; 9/65C6K; 9/65C6Q; 9/65C6R; 9/65C6V) 354 ..Five-membered ring contains the three N atoms (9/65C5; 9/65C5E; 9/65C5G; 9/65C5K; 9/65C5R; 9/65C5V) 355 .Ring contains two N atoms (9/65B) 356 ..Six-membered ring (9/65B6) 357 ...N in 1 and 4 positions (9/65B64; 9/65B64E; 9/65B64K; 9/65B4V) 358 ...N in 1 and 3 positions (9/65B63; 9/65B63E; 9/65B63G; 9/65B63J; 9/65B63K; 9/65B63K2; 9/65B63K4; 9/65B63M; 9/65B63R; 9/65B63V) 359 ...N in 1 and 2 positions (9/65B62; 9/65B62E; 9/65B62J; 9/65B62K; 9/65B62M; 9/65B62V) 360 ..Five-membered ring (9/65B5) 361 ...N in 1 and 3 positions (9/65B53; 9/65B53E; 9/65B53G; 9/65B53J; 9/65B53K; 9/65B53M; 9/65B53R; 9/65B53V) 362 ...N in 1 and 2 positions (9/65B52; 9/65B52E; 9/65B52J; 9/65B52K; 9/65B52M) 363 .Ring contains a single N atom (9/65A) 364 ..(O=)C-N-C(=O) group where C-N-C is part of the ring (9/65A9) 365 ..Ring contains at least seven ring atoms (9/65A7) 366 ..Six-membered ring (9/65A6; 9/65A6E; 9/65A6G; 9/65A6J; 9/65A6K; 9/65A6K2; 9/65A6K4; 9/65A6M; 9/65A6R; 9/65A6V)) 367 ..Five-membered ring (9/65A5; 9/65A5E; 9/65A5G; 9/65A5J; 9/65A5K; 9/65A5K2; 9/65A5K4; 9/65A5M; 9/65A5R; 9/65A5V) 368 ..Four-membered ring (9/65A4; 9/65A4E; 9/65A4V)