US PATENT SUBCLASS 568 / 884
.~.~.~.~.~ By reduction (e.g., by hydrogenation, 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}
876  DF  .~.~.~.~ Preparing from carbonyl containing compound {3}
884.~.~.~.~.~ By reduction (e.g., by hydrogenation, etc.) {1}
885  DF  .~.~.~.~.~.~> Catalyst utilized

DEFINITION

Classification: 568/884

By reduction (e.g., by hydrogenation, etc.):

(under subclass 876) Processes wherein the containing compound is reduced.

(1) Note. This subclass includes, for example, the reduction of carboxylic acid esters with alkali metals.