US PATENT SUBCLASS 522 / 131
.~.~.~ Chemical reactant is elemental 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}
113  DF  .~.~ Processes of chemically modifying a solid polymer derived only from ethylenically unsaturated monomers by treating polymer with a chemical reactant; or compositions therefore {5}
131.~.~.~ Chemical reactant is elemental halogen {2}
132  DF  .~.~.~.~> Solid polymer treated contains halogen
133  DF  .~.~.~.~> Solid polymer derived from single monomer


DEFINITION

Classification: 522/131

Chemical reactant is elemental halogen:

(under subclass 113) Subject matter wherein the material which reacts with the solid polymer is elemental halogen.

(1) Note. Compounds which liberate halogens are not proper for this subclass.

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