US PATENT SUBCLASS 528 / 362
.~.~ From organic nitrile group-containing compound

Current as of: June, 1999
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528 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
271  DF  .~ FROM CARBOXYLIC ACID OR DERIVATIVE THEREOF {10}
362.~.~ From organic nitrile group-containing compound

DEFINITION

Classification: 528/362

(under subclass 271) Subject matter wherein at least one organic reactant contains a nitrile of a carboxylic acid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

271, see (2) Note, section D for a definition of the term "nitrile".