US PATENT SUBCLASS 987 / 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)

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}
129  DF  .~.~ Trivalent P compound having the structure (C)-P-(C or H)(C or H) (9/50) {5}
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)

DEFINITION

Classification: 987/130

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):

(under subclass 129) Subject matter wherein the P compound contains the structure (X=C)-P(C or H)(C or H) where X is a chalcogen atom or (N#C)-P(C or H)(C or H) and N#C indicates a triple bond between the N and C atoms.