US PATENT SUBCLASS 562 / 550
.~.~.~ Formation of carboxyl group by carbonation

Current as of: June, 1999
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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
400  DF  .~ Carboxylic acids and salts thereof {14}
512  DF  .~.~ Acyclic {14}
550.~.~.~ Formation of carboxyl group by carbonation {2}
551  DF  .~.~.~.~> Of C-metallated compound
552  DF  .~.~.~.~> Of alkali metal salt of carboxylic acid

DEFINITION

Classification: 562/550

Formation of carboxyl group by carbonation:

(under subclass 512) Processes wherein an acyclic carboxylic acid is produced by reacting an acyclic compound with carbon dioxide or a material which will produce carbon dioxide under the reaction conditions, such as a carbonate.