US PATENT SUBCLASS 987 / 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)

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}
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)

DEFINITION

Classification: 987/132

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):

(under subclass 129) Subject matter wherein the P compound contains two or more C-P(C)(C) groups.

(1) Note. The P compound can contain two or more separate required groups or two or more P atoms may share a common carbon atom, e.g., (C)(C)-P-C-P(C)(C), etc.