US PATENT SUBCLASS 558 / 305
.~.~.~ Acyclic or alicyclic carbon to carbon unsaturation in the preserved or stabilized nitrile

Current as of: June, 1999
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558 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
303  DF  .~ Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {21}
304  DF  .~.~ With preservative or stabilizer {1}
305.~.~.~ Acyclic or alicyclic carbon to carbon unsaturation in the preserved or stabilized nitrile {2}
306  DF  .~.~.~.~> Organic compound, which contains nitrogen, utilized as preservative or stabilizer
307  DF  .~.~.~.~> Sulfur or phosphorus containing preservative or stabilizer

DEFINITION

Classification: 558/305

(under subclass 304) Products wherein the preserved or stabilized nitrile contains acyclic or alicyclic carbon to carbon unsaturation.