US PATENT SUBCLASS 514 / 565
.~.~.~.~.~ N-N or N=C(-N)-N containing (e.g., hydrazines, hydrazones, or quanidines, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
553  DF  .~ Radical -XH acid, or anhydride, acid halide or salt thereof (X is chalcogen) DOAI {6}
557  DF  .~.~ Carboxylic acid, percarboxylic acid, or salt thereof (e.g., peracetic acid, etc.) {5}
561  DF  .~.~.~ Nitrogen other than as nitro or nitroso nonionically bonded {4}
564  DF  .~.~.~.~ Plural nitrogens nonionically bonded {2}
565.~.~.~.~.~ N-N or N=C(-N)-N containing (e.g., hydrazines, hydrazones, or quanidines, etc.)

DEFINITION

Classification: 514/565

N-N or N=C(-N)N containing (e.g., hydrazines, hydrazones, or guanidines, etc.):

(under subclass 564) Subject matter wherein two nitrogens are singly bonded to each other (hydrazine or hydrazone grouping) or nitrogens are present which form the guanidino are present which form the guanidino grouping (N-C(=N)-N.