US PATENT SUBCLASS 560 / 20
.~.~.~.~ Nitro bonded to carbon 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}
19  DF  .~.~.~ Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) {12}
20.~.~.~.~ Nitro bonded to carbon in acid moiety {3}
21  DF  .~.~.~.~.~> Plural rings in acid moiety
22  DF  .~.~.~.~.~> Additional nitrogen in acid moiety
23  DF  .~.~.~.~.~> Oxy, aldehyde or ketone group in acid moiety

DEFINITION

Classification: 560/20

Nitro bonded to carbon in acid moiety:

(under subclass 19) Compounds wherein the acid radical contains the group -N(=O)2 bonded to carbon.

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