US PATENT SUBCLASS 568 / 453
.~.~.~.~.~.~ Plural stages each having hydroformylation

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}
448  DF  .~.~.~ Acyclic {4}
449  DF  .~.~.~.~ Processes {14}
451  DF  .~.~.~.~.~ Hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen {4}
453.~.~.~.~.~.~ Plural stages each having hydroformylation

DEFINITION

Classification: 568/453

(under subclass 451) Processes wherein the compound is produced in two or more stages or zones, each consisting of reacting an ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen.