PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

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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)