US PATENT SUBCLASS 987 / 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)


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}
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)


DEFINITION

Classification: 987/155

Contains two or more (C)-P(=X)(X) (X-C) groups or at least one (C-X) (X) (X=)-P- (C)-P(=X) (X) (X-C) group (9/40A6; 9/40A6+J; 9/40A6+U):

(under subclass 147) Subject matter wherein the P compound contains two or more separate (C)-P(=X)(X)(X-C) groups or at least one (C-X)(X)(X=)-P-(C)-P(=X)(X)(X-C) group.