US PATENT SUBCLASS 987 / 180
.~.~.~ Contains the structure Q-(C)-P(=X) (C) (X-C) where Q is a moiety containing an atom other than C or H (9/32A; 9/32A1)


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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}
171  DF  .~.~ Pentavalent P having the structure (C)2-P(=X) (X-C) where X is chalcogen (9/32) {9}
180.~.~.~ Contains the structure Q-(C)-P(=X) (C) (X-C) where Q is a moiety containing an atom other than C or H (9/32A; 9/32A1)


DEFINITION

Classification: 987/180

Contains the structure Q-(C)-P(=X)(C)(X-C) where Q is a moiety containing an atom other than C or H (9/32A; 9/32A1):

(under subclass 171) Subject matter wherein the P compound contains the structure (Q-C) P(=X)(C)(X-C) wherein Q represents a moiety containing an atom other than C or H.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30, for rules pertaining to the classification of an inorganic salt.