US PATENT SUBCLASS 560 / 2
.~.~ With preservative

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}
2.~.~ With preservative {2}
3  DF  .~.~.~> Aromatic polycarboxylic acid esters
4  DF  .~.~.~> Acyclic unsaturated monocarboxylic acid esters

DEFINITION

Classification: 560/2

With preservative:

(under subclass 1) Products wherein the ester is mixed with a preserving agent whose sole function is to prevent physical or chemical change.