US PATENT SUBCLASS 570 / 138
.~.~.~ Polymerization of unsaturated compound

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.~.~.~ Polymerization of unsaturated compound {1}
139  DF  .~.~.~.~> With chain terminating agent (e.g., telogen, etc.)

DEFINITION

Classification: 570/138

Polymerization of unsaturated compound:

(under subclass 123) Process where two or more molecules of an unsaturated compound are added together to produce a larger molecule.

(1) Note. The unsaturated molecules added together may be the same (homopolymer) of different (copolymer).