US PATENT SUBCLASS 987 / 187
.~ Phosphorus directly bonded to N, i.e., P(N) (9/22; 9/22A)


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}
187.~ Phosphorus directly bonded to N, i.e., P(N) (9/22; 9/22A) {7}
188  DF  .~.~> P(=N) group containing (9/06B; 9/06B2; 9/06B2D)
189  DF  .~.~> (Hal)-P-(N) group containing (9/26)
190  DF  .~.~> P(N) (N) (N) group containing (9/22C)
191  DF  .~.~> P-(N=C=X) where X is chalcogen or P(-N-N) (9/22D; 9/22E)
192  DF  .~.~> Contains the structure (N)-P-(X-*acyl), (N)-P-(X-*Z) or (N)-P-(X-*cyano) where Z is an atom other than C or H, X is a chalcogen atom, and * indicates a direct bond to the adjacent X atom (9/24A9; 9/24A9+M; 9/24A9+Q; 9/24A9+U; 9/24A9+W)
193  DF  .~.~> Contains the structure P-(N-*acyl), P-(N-*Z) or (N-*cyano) where Z is an atom other than C or H and * indicates a direct bond to the adjacent N atom (9/24C9; 9/24C9+M; 9/24C9+Q; 9/24C9+U; 9/24C9+W)
194  DF  .~.~> Contains the structure (N)-P-(X-C) wherein X is chalcogen atom, i.e., estramides (9/24) {7}


DEFINITION

Classification: 987/187

Phosphorus directly bonded to N, i.e., P(N) (9/22; 9/22A):

(under subclass 30) Subject matter wherein a phosphorus atom is directly bonded to at least one nitrogen atom.