US PATENT SUBCLASS 521 / 48.5
.~.~.~ Treating with alcohol

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}
48  DF  .~.~ Treating polyester {1}
48.5.~.~.~ Treating with alcohol

DEFINITION

Classification: 521/48.5

Treating with alcohol:

(under subclass 48) Subject matter wherein said polyester scrap or waste product is treated with an alcohol.

(1) Note. This subclass includes the use of an alcohol as solvent.