US PATENT SUBCLASS 560 / 169
.~.~.~.~ Additional 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}
129  DF  .~.~ Acyclic acid moiety {9}
155  DF  .~.~.~ Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) {8}
169.~.~.~.~ Additional nitrogen in acid moiety

DEFINITION

Classification: 560/169

Additional nitrogen in acid moiety:

(under subclass 155) Compounds in which the acid radical contains more than one covalently bonded nitrogen.

(1) Note. The additional nitrogen may be in the form of an isocyanate or a nitroso group.

(2) Note. See subclass 156 for nitro containing carboxylic acid esters.

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