US PATENT SUBCLASS 528 / 209
.~.~.~ With nonphenolic compound having at least two hydroxyl groups or salts thereof as reactant


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}
86  DF  .~ FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE {15}
206  DF  .~.~ Phenolic reactant contains at least one carboxylic acid group or is derivative thereof {3}
209.~.~.~ With nonphenolic compound having at least two hydroxyl groups or salts thereof as reactant


DEFINITION

Classification: 528/209

(under subclass 206) Subject matter wherein at least one nonphenolic reactant contains at least two hydroxyl groups or salts thereof.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, see "alcohol" in the Glossary for a definition of the term "hydroxyl group".