US PATENT SUBCLASS 528 / 498
.~.~.~.~ Acyclic


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

Internet Version by PATENTEC © 1999      Terms of Use



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}
497  DF  .~.~.~ Hydrocarbon {1}
498.~.~.~.~ Acyclic


DEFINITION

Classification: 528/498

(under subclass 497) Processes wherein the organic compound is devoid of any aromatic or cycloaliphatic group.