US PATENT SUBCLASS 987 / 168
.~.~.~ Contains the structure Q-(C)-P(=X) (X) (X) where Q is a moiety containing an atom other than C or H (9/38A1; 9/38A1+U6; 9/38A1+U9)

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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}
168.~.~.~ Contains the structure Q-(C)-P(=X) (X) (X) where Q is a moiety containing an atom other than C or H (9/38A1; 9/38A1+U6; 9/38A1+U9)

DEFINITION

Classification: 987/168

Contains the structure Q-(C)-P(=X)(X)(X) where Q is a moiety containing an atom other than C or H (9/38A1; 9/38A1+U6; 9/38A1+U9):

(under subclass 146) Subject matter wherein the P compound contains the structure (Q-C)-P(=X) (X) (X) and wherein Q contains an atom other than C or H.

SEE OR SEARCH THIS CLASS, SUBCLASS:

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