US PATENT SUBCLASS 568 / 420
.~.~ Aldehydes


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.~.~ Aldehydes {8}
421  DF  .~.~.~> With preservative or stabilizer {1}
423  DF  .~.~.~> Nitrogen containing {1}
425  DF  .~.~.~> Benzene ring containing {3}
443  DF  .~.~.~> Preparing alicyclic ring containing aldehyde by isomerization
444  DF  .~.~.~> Preparing alicyclic ring containing aldehyde by hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen only
445  DF  .~.~.~> Polycyclo-alicyclic ring system
446  DF  .~.~.~> Unsaturated alicyclic ring containing {1}
448  DF  .~.~.~> Acyclic {4}


DEFINITION

Classification: 568/420

(under subclass 300) Compounds having the following structure wherein R is H or an organic radcal: