US PATENT SUBCLASS 528 / 226
.~.~ With sulfur-containing 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}
220  DF  .~ FROM KETONE OR KETENE REACTANT {4}
226.~.~ With sulfur-containing reactant

DEFINITION

Classification: 528/226

(under subclass 220) Subject matter wherein the material is a ketone which is reacted with at least one sulfur-containing reactant.