US PATENT SUBCLASS 568 / 902.2
.~.~.~.~.~ By homologation (e.g., forming ethanol from methanol, etc.)

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
700  DF  .~.~ Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) {10}
840  DF  .~.~.~ Acyclic {16}
902  DF  .~.~.~.~ Preparing from organic hydroxy containing reactant {5}
902.2.~.~.~.~.~ By homologation (e.g., forming ethanol from methanol, etc.)

DEFINITION

Classification: 568/902.2

(under subclass 902) Processes of forming the acyclic hydroxy containing compound having fewer carbons in the chain. An example is, forming ethanol by reacting carbon monoxide and hydrogen with methanol.