US PATENT SUBCLASS 528 / 390
.~.~ From organic reactant containing a -C(=S)-group


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}
390.~.~ From organic reactant containing a -C(=S)-group


DEFINITION

Classification: 528/390

(under subclass 373) Subject matter wherein a polymer is prepared from an organic reactant containing a group.

SEE OR SEARCH THIS CLASS, SUBCLASS:

387, for a polymer prepared from carbon disulfide.