US PATENT SUBCLASS 521 / 46.5
.~.~.~.~ Treating polymer derived from vinyl chloride monomer

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
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}
46.5.~.~.~.~ Treating polymer derived from vinyl chloride monomer

DEFINITION

Classification: 521/46.5

Treating polymer derived from vinyl chloride monomer:

(under subclass 46) Subject matter wherein the polymeric scrap or waste product is derived from at least one monomer which is vinyl chloride.

(1) Note. Included herein would be a scrap or waste product either containing a mixture of polyethylene and polyvinyl chloride or a vinyl chloride-vinyl acetate copolymer.