US PATENT SUBCLASS 528 / 493
.~.~.~ Aldehyde or ketone

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}
493.~.~.~ Aldehyde or ketone

DEFINITION

Classification: 528/493

(under subclass 491) Processes wherein the organic compound is an aldehyde or ketone.

SEE OR SEARCH CLASS

520, Synthetic Resins or Rubbers, fsee the Glossary or a definition of the terms "aldehyde" or "ketone".