US PATENT SUBCLASS 987 / 151
.~.~.~.~ Contains the structure (C)-P(=X) (X) (X-carbocyclic ring) (9/40C3)

Current as of: June, 1999
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987 /   HD   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

30  DF  PHOSPHORUS COMPOUNDS (9/02; 9/06) {15}
116  DF  .~ Contains at least one (C)-P bond (9/28) {19}
146  DF  .~.~ Pentavalent P having the structure (C)-P(=X) (X) (X) where X is chalcogen (9/38) {8}
147  DF  .~.~.~ Pentavalent P having the structure (C)-P(=X) (X) (X-*C) and * indicates a direct bond to the adjacent X atom (9/40) {12}
151.~.~.~.~ Contains the structure (C)-P(=X) (X) (X-carbocyclic ring) (9/40C3)

DEFINITION

Classification: 987/151

Contains the structure (C)-P(=X)(X)(X-carbocyclic ring) (9/40C3):

(under subclass 147) Subject matter wherein the P compound contains the structure (C)-P(=X) (X)(X-carbon only in ring) and wherein a C of the ring can be directly bonded to the X atom or can be indirectly bonded to the X atom through other atoms.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157, wherein the compound contains a carbocyclic ring bonded indirectly or directly to the C atom of the C-P moiety.