US PATENT SUBCLASS 568 / 434
.~.~.~.~.~.~ Gaseous hydrogen reactant

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}
420  DF  .~.~ Aldehydes {8}
425  DF  .~.~.~ Benzene ring containing {3}
426  DF  .~.~.~.~ Processes {9}
433  DF  .~.~.~.~.~ Aldehyde reactant {1}
434.~.~.~.~.~.~ Gaseous hydrogen reactant

DEFINITION

Classification: 568/434

(under subclass 433) Processes wherein the compound is prepared by reacting an aldehyde and gaseous hydrogen.