US PATENT SUBCLASS 560 / 157
.~.~.~.~ 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}
155  DF  .~.~.~ Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) {8}
157.~.~.~.~ Carbamic acid {8}
158  DF  .~.~.~.~.~> Polycarbamic
159  DF  .~.~.~.~.~> Additional nitrogen in acid moiety
160  DF  .~.~.~.~.~> Oxy in acid moiety
161  DF  .~.~.~.~.~> Halogen in acid moiety
162  DF  .~.~.~.~.~> Cyclic alcohol moiety {1}
165  DF  .~.~.~.~.~> Sulfur or nitrogen in alcohol moiety
166  DF  .~.~.~.~.~> Polyoxy alcohol moiety
167  DF  .~.~.~.~.~> Halogen in alcohol moiety


DEFINITION

Classification: 560/157

Carbamic acid:

(under subclass 155) Compounds wherein the acid radical contains a nitrogen directly attached to the carbon of an esterified carboxyl group.

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