US PATENT SUBCLASS 560 / 172
.~.~.~.~ Halogen or unsaturation 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}
172.~.~.~.~ Halogen or unsaturation in acid moiety

DEFINITION

Classification: 560/172

Halogen or unsaturation in acid moiety:

(under subclass 155) Compounds wherein the acid radical contains covalently bonded halogen or contains an ethylenic double bond or a triple bond.

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