US PATENT SUBCLASS 522 / 905
.~ Benzophenone group

Current as of: June, 1999
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522 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

904  DF  MONOMER OR POLYMER CONTAINS INITIATING GROUP {1}
905.~ Benzophenone group

DEFINITION

Classification: 522/905

BENZOPHENONE GROUP:

(under subclass 904) Subject matter wherein the monomer or polymer contains the RR groups wherein R is an aryl group.