US PATENT SUBCLASS 521 / 40.5
.~.~ Process of treating scrap or waste product containing at least one polymer derived from ethylenic unsaturated 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.~.~ Process of treating scrap or waste product containing at least one polymer derived from ethylenic unsaturated monomers only {3}
41  DF  .~.~.~> Treating rubber (or rubberlike materials) or polymer derived from a monomer having at least two ethylenic unsaturated moieties {6}
46  DF  .~.~.~> Treating polymer derived from a monomer containing only carbon, hydrogen, and halogen or only carbon and halogen; or treating a polymer which has been derived from at least one hydrocarbon and which has been subsequently halogenated {1}
47  DF  .~.~.~> Treating polymer derived from hydrocarbon monomers only

DEFINITION

Classification: 521/40.5

Process of treating scrap or waste product containing at least one polymer derived from ethylenic unsaturated monomers only:

(under subclass 40) Subject matter wherein the scrap or waste product contains at least one polymer which is derived from

only ethylenic unsaturated monomers.