US PATENT SUBCLASS 522 / 129
.~.~.~ Chemical reacant contains oxygen

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}
129.~.~.~ Chemical reacant contains oxygen {1}
130  DF  .~.~.~.~> Contains C=O moiety

DEFINITION

Classification: 522/129

Chemical reactant contains oxygen:

(under subclass 113) Subject matter wherein the material which reacts with the solid polymer contains at least one oxygen atom.

(1) Note. Included herein is the stated use of water in any of its physical forms, or the stated use of oxygen in air as a reactant.