US PATENT SUBCLASS 526 / 912
REACTION MEDIUM PURIFICATION

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

912REACTION MEDIUM PURIFICATION

DEFINITION

Classification: 526/912

Processes of polymerizing an ethylenically unsaturated monomer wherein the reaction medium is purified prior to its utilization.