US PATENT SUBCLASS 568 / 627
.~.~.~.~ Preparing by isomerization

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}
579  DF  .~.~ Ethers {11}
626  DF  .~.~.~ Benzene ring containing {7}
627.~.~.~.~ Preparing by isomerization

DEFINITION

Classification: 568/627

Preparing by isomerization:

(under subclass 626) Processes wherein the compound is produced by transformation or rearrangement of the elements of a starting compound without adding or taking away any elements.