US PATENT SUBCLASS 528 / 374
.~.~ From mercaptan or mercaptide-containing reactant

Current as of: June, 1999
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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.~.~ From mercaptan or mercaptide-containing reactant {2}
375  DF  .~.~.~> Two or more mercaptan or mercaptide reactants, or mixture thereof, or with additional reactant-containing sulfur
376  DF  .~.~.~> With ethylenically unsaturated reactant

DEFINITION

Classification: 528/374

(under subclass 373) Subject matter wherein a polymer is derived from at least one mercaptan (thiol) or inorganic mercaptide-containing material.

(1) Note. A mercaptan denotes an organic compound having the general structure wherein the carbon atom bound to the sulfur atom of the thiol group is not double bonded to oxygen, sulfur, selenium, or tellurium, or triple bonded to nitrogen.

(2) Note. A mercaptide denotes a salt of a mercaptan.