US PATENT SUBCLASS 560 / 148
.~.~.~.~ Carbamic acid

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}
147  DF  .~.~.~ Sulfur in acid moiety {3}
148.~.~.~.~ Carbamic acid

DEFINITION

Classification: 560/148

Carbamic acid:

(under subclass 147) Compounds wherein the acid radical contains nitrogen directly attached to the carbon of an esterified carboxyl group.

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