US PATENT SUBCLASS 522 / 187
.~.~.~ At least one reactant contains halogen

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ COMPOSITIONS TO BE POLYMERIZED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR COMPOSITIONS TO BE MODIFIED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR PROCESSES OF PREPARING OR TREATING A SOLID POLYMER UTILIZING WAVE ENERGY {27}
184  DF  .~.~ Processes of preparing a solid polymer from ethylenic reactants only; or compositions therefore {5}
187.~.~.~ At least one reactant contains halogen

DEFINITION

Classification: 522/187

At least one reactant contains halogen:

(under subclass 184) Subject matter wherein an ethylenic reactant which contains at least one halogen atom is polymerized.

(1) Note. Halogen is limited to fluorine, chlorine, iodine, bromine and astatine.