US PATENT SUBCLASS 987 / 213
.~.~.~ Containing the structure P-(X)-[C]n-Aryl wherein n is at least one and the aryl ring is bonded to the X atom by a chain of only acyclic carbon atoms (9/165A7)


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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}
209  DF  .~ Pentavalent P containing the structure P-(X-C) wherein a S, Se, or Te is directly bonded to the P atom and wherein X is chalcogen (X may qualify as the required S, Se, or Te atom) (9/16; 9/165; 9/165A1) {6}
212  DF  .~.~ Containing the structure P-(X-aryl ring) (9/18) {1}
213.~.~.~ Containing the structure P-(X)-[C]n-Aryl wherein n is at least one and the aryl ring is bonded to the X atom by a chain of only acyclic carbon atoms (9/165A7)


DEFINITION

Classification: 987/213

Containing the structure P-(X)-[C]n-Aryl wherein n is at least one and the aryl ring is bonded to the X atom by a chain of only acyclic carbon atoms (9/165A7):

(under subclass 212) Subject matter wherein the aryl group is bonded to the X atom indirectly and the bonding is through a single acyclic carbon atom or through a chain solely composed of acyclic carbon atoms.