US PATENT SUBCLASS 987 / 111
.~.~ Contains the structure aryl-(C)n-P where n is at least one (9/54A7)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
110  DF  .~ Quaternary phosphonium compounds (C)a-P-(H)b wherein a+b=4, a=1-4, b=1-3, (9/54; 9/54A1; 9/54A1+W; 9/54A1+W2) {5}
111.~.~ Contains the structure aryl-(C)n-P where n is at least one (9/54A7)

DEFINITION

Classification: 987/111

Contains the structure aryl-(C)n-P where n is at least one (9/54A7):

(under subclass 110) Subject matter wherein the P compound contains the structure: aryl-(C)n-P wherein n is at least one and the aryl group is bonded indirectly to the P atom through a chain of only C atoms.