US PATENT SUBCLASS 528 / 371
.~.~ 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}
370  DF  .~ FROM REACTANT HAVING A HALOGEN ATOM OR OXYGEN SINGLE BONDED TO A CARBONYL GROUP, E.G., HALO-C(=O)-, -O-C(=O)-O, ETC. {2}
371.~.~ Polymerizing in the presence of a specified material other than a reactant

DEFINITION

Classification: 528/371

(under subclass 370) Subject matter wherein a halo or containing reactant 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".