US PATENT SUBCLASS 987 / 118
.~.~ Pentavalent P compound containing a P(=C) bond and wherein the P atom is not bonded directly to chalcogen (9/535B)

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}
118.~.~ Pentavalent P compound containing a P(=C) bond and wherein the P atom is not bonded directly to chalcogen (9/535B)

DEFINITION

Classification: 987/118

Pentavalent P compound containing a P(=C) bond and wherein the P atom is not bonded directly to chalcogen (9/535B):

(under subclass 116) Subject matter wherein the P compound contains a pentavalent P atom, which atom forms a P=C bond with carbon, with the proviso that none of the bonds of the pentavalent P can be directly to a chalcogen atom.