US PATENT SUBCLASS 560 / 12
.~.~.~.~.~ Nitrogen in acid moiety

Current as of: June, 1999
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560 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {17}
1  DF  .~ Carboxylic acid esters {14}
8  DF  .~.~ Aromatic acid moiety {9}
9  DF  .~.~.~ Sulfur in acid moiety {5}
11  DF  .~.~.~.~ Sulfoxy in acid moiety {2}
12.~.~.~.~.~ Nitrogen in acid moiety {1}
13  DF  .~.~.~.~.~.~> Plural nitrogens in acid moiety

DEFINITION

Classification: 560/12

Nitrogen in acid moiety:

(under subclass 11) Compounds wherein the acid radical contains nitrogen covalently bonded.

(1) Note. Amine salts of sulfonic acid containing carboxylic acid esters are not considered as nitrogen containing for this subclass. See section A. IV or (1) Note in subclass 1.

(2) Note. This subclass contains, for example: [figure]