US PATENT SUBCLASS 987 / 165
.~.~.~ Contains the structure (aryl group*)-P(=X) (X) (X) where * indicates a direct bond of one of the carbon atoms of the aryl group to the P atom (9/38A4)

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}
165.~.~.~ Contains the structure (aryl group*)-P(=X) (X) (X) where * indicates a direct bond of one of the carbon atoms of the aryl group to the P atom (9/38A4)

DEFINITION

Classification: 987/165

Contains the structure (aryl group*)-P-(=X) (X)(X) where * indicates a direct bond of one of the carbon atoms of the aryl group to the P atom (9/38A4):

(under subclass 146) Subject matter wherein the P compound

contains the structure (Aryl)-P(=X) (X)(X) wherein one of the C atoms of the aryl ring is bonded directly to the P atom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

166, for an aryl containing moiety indirectly bonded to the P atom.