US PATENT SUBCLASS 526 / 84
.~.~.~.~ Added material contains oxygen compound

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {8}
72  DF  .~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING {43}
78  DF  .~.~ Adding material to an on-going polymerization reaction, said addition being other than the continuous addition of the initial charge {4}
82  DF  .~.~.~ Adding polymerization inhibitor or terminator, e.g., short-stopper, etc. {3}
84.~.~.~.~ Added material contains oxygen compound

DEFINITION

Classification: 526/84

(under subclass 82) Subject matter wherein the added

terminating or retarding material contains an oxygen-containing compound.

(1) Note. This subclass includes the use of water, per se, as a retarding or terminating agent.