US PATENT SUBCLASS 560 / 97
.~.~.~.~.~ Carbonylation

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}
76  DF  .~.~.~ Polycarboxylic acid {11}
96  DF  .~.~.~.~ Processes {2}
97.~.~.~.~.~ Carbonylation

DEFINITION

Classification: 560/97

Carbonylation:

(under subclass 96) Processes wherein the ester is prepared through formation of a carboxyl group on a starting material by reacting with a carbonylating agent such as carbon monoxide in the presence of an alcohol or by subsequent esterification.