US PATENT SUBCLASS 528 / 481
.~.~ Treating at O Deg C (32 Deg F) or below, or at 200 Deg C (392 Deg F) or above

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}
480  DF  .~ TREATING POLYMER CONTAINING MATERIAL OR TREATING A SOLID POLYMER OR A RESINIFIABLE INTERMEDIATE CONDENSATION PRODUCT {14}
481.~.~ Treating at O Deg C (32 Deg F) or below, or at 200 Deg C (392 Deg F) or above

DEFINITION

Classification: 528/481

(under subclass 480) Processes wherein a polymer or a polymer-containing material is cooled to 0 deg.C (32 deg.F) or less, or is heated to a temperature of 200 deg.C (392 deg.F) or higher.