US PATENT SUBCLASS 570 / 139
.~.~.~.~ With chain terminating agent (e.g., telogen, etc.)

Current as of: June, 1999
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570 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
123  DF  .~.~ Fluorine containing {21}
138  DF  .~.~.~ Polymerization of unsaturated compound {1}
139.~.~.~.~ With chain terminating agent (e.g., telogen, etc.)

DEFINITION

Classification: 570/139

With chain terminating agent (e.g., telogen, etc.):

(under subclass 138) Process wherein the polymerization is conducted in the presence of an agent which terminates the growing polymer chain.These agents are often called chain stoppers, chain transfer agents, or telogens, etc.