US PATENT SUBCLASS 987 / 144
.~.~ Pentavalent P having the structure (C)-P(=X) (X) (Hal) (X) or (C)-P(=X) (Hal)2 wherein X is chalcogen (9/42)

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}
144.~.~ Pentavalent P having the structure (C)-P(=X) (X) (Hal) (X) or (C)-P(=X) (Hal)2 wherein X is chalcogen (9/42) {1}
145  DF  .~.~.~> 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)

DEFINITION

Classification: 987/144

Pentavalent P having the structure (C)-P(=X)(X)(Hal) or (C)-P(=X)(Hal)2 wherein X is chalcogen (9/42):

(under subclass 116) Subject matter wherein the P atom is pentavalent and contains the structure (C)-P(=X)(Hal)2 or (C)-(C)-P(=X)(X)(Hal) wherein X is chalcogen.