US PATENT SUBCLASS 987 / 202
.~.~.~ Q-C-(X)-P-(N) or compound contains two or more P atoms and wherein Q contains an atom other than C or H (9/24A; 9/24A1; 9/24A6)

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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}
187  DF  .~ Phosphorus directly bonded to N, i.e., P(N) (9/22; 9/22A) {7}
194  DF  .~.~ Contains the structure (N)-P-(X-C) wherein X is chalcogen atom, i.e., estramides (9/24) {7}
202.~.~.~ Q-C-(X)-P-(N) or compound contains two or more P atoms and wherein Q contains an atom other than C or H (9/24A; 9/24A1; 9/24A6)

DEFINITION

Classification: 987/202

Q-C-(X)-P-(N) or compound contains two or more P atoms and wherein Q contains an atom other than C or H (9/24A; 9/24A1; 9/24A6):

(under subclass 194) Subject matter wherein a C atom is directly bonded to the X atom and where said carbon is part of an organic moiety containing at least one atom other than oxygen or hydrogen.

(1) Note. Included herein are compounds where the organic moiety contains a P atom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

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