US PATENT SUBCLASS 562 / 609
.~.~.~.~ Formic acid per se or salt thereof

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}
606  DF  .~.~.~ Saturated lower fatty acids {2}
609.~.~.~.~ Formic acid per se or salt thereof

DEFINITION

Classification: 562/609

Formic acid, per se, or salt thereof:

(under subclass 606) The compound which is formic acid or its salts and processes for its preparation not provided for above.

(1) Note. This subclass includes, for example, processes for preparing formic acid from carbon monoxide and water.