US PATENT SUBCLASS 528 / 368
.~.~ Polymerizing in the presence of a specified material other than a 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}
367  DF  .~ FROM REACTANT HAVING A NITROGEN ATOM DIRECTLY BONDED TO THE CARBON ATOM OF A CARBONYL GROUP, I.E., N-C(=O)- {2}
368.~.~ Polymerizing in the presence of a specified material other than a reactant

DEFINITION

Classification: 528/368

(under subclass 367) Subject matter wherein a reactant containing a group is polymerized in the presence of a specified material.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, see the Glossary for a definition of the term "specified material".