US PATENT SUBCLASS 522 / 116
.~.~.~.~ Nitrogen


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}
114  DF  .~.~.~ Chemical reactant is ethylenically unsaturated {6}
116.~.~.~.~ Nitrogen {1}
117  DF  .~.~.~.~.~> Chemical reactant has two or more ethylenic groups


DEFINITION

Classification: 522/116

Nitrogen:

(under subclass 114) Subject matter wherein the ethylenically unsaturated reactant contains at least one nitrogen atom.