US PATENT SUBCLASS 528 / 496
.~.~.~.~ Contains one to four carbon atoms

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}
491  DF  .~.~ Contacting with organic material {5}
495  DF  .~.~.~ Alcohol {1}
496.~.~.~.~ Contains one to four carbon atoms

DEFINITION

Classification: 528/496

(under subclass 495) Processes wherein the hydroxy compound contains from one to four carbon atoms.