US PATENT SUBCLASS 528 / 375
.~.~.~ Two or more mercaptan or mercaptide reactants, or mixture thereof, or with additional reactant-containing sulfur

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}
373  DF  .~ FROM SULFUR-CONTAINING REACTANT {5}
374  DF  .~.~ From mercaptan or mercaptide-containing reactant {2}
375.~.~.~ Two or more mercaptan or mercaptide reactants, or mixture thereof, or with additional reactant-containing sulfur

DEFINITION

Classification: 528/375

(under subclass 374) Subject matter wherein (1) a polymer is derived from at least two or more mercaptan reactants, or from at least two or more mercaptide reactants, or from at least a mixture of a mercaptan and a mercaptide, or (2) a polymer is derived from a mercaptan or mercaptide and at least one other sulfur-containing reactant.