US PATENT SUBCLASS 521 / 47
.~.~.~ Treating polymer derived from hydrocarbon monomers only

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {3}
40  DF  .~ PROCESS OF TREATING SCRAP OR WASTE PRODUCT CONTAINING SOLID ORGANIC POLYMER TO RECOVER A SOLID POLYMER THEREFROM {5}
40.5  DF  .~.~ Process of treating scrap or waste product containing at least one polymer derived from ethylenic unsaturated monomers only {3}
47.~.~.~ Treating polymer derived from hydrocarbon monomers only

DEFINITION

Classification: 521/47

Treating polymer derived from hydrocarbon monomers only:

(under subclass 40.5) Subject matter wherein the olefinic units (and hence the polymeric scrap or waste product) contain only carbon and hydrogen.