US PATENT SUBCLASS 568 / 582
.~.~.~.~.~ Nitrogen containing preservative or stabilizer

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}
580  DF  .~.~.~ With preservative or stabilizer {1}
581  DF  .~.~.~.~ Acyclic ether preserved or stabilized {1}
582.~.~.~.~.~ Nitrogen containing preservative or stabilizer

DEFINITION

Classification: 568/582

Nitrogen containing preservative:

(under subclass 581) Products wherein the preserving or stabilizing agent contains nitrogen.