US PATENT SUBCLASS 568 / 658
.~.~.~.~.~ Acyclic hydrocarbyl group bonded directly to the benzene ring

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}
630  DF  .~.~.~.~ Ether oxygen bonded directly to benzene ring {5}
658.~.~.~.~.~ Acyclic hydrocarbyl group bonded directly to the benzene ring

DEFINITION

Classification: 568/658

Acyclic hydrocarbyl group bonded directly to the benzene ring:

(under subclass 630) Compounds which contain an acyclic substituent of hydrogen and carbon.