US PATENT SUBCLASS 522 / 122
.~.~.~.~.~ Hetero 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}
114  DF  .~.~.~ Chemical reactant is ethylenically unsaturated {6}
120  DF  .~.~.~.~ Oxygen {3}
122.~.~.~.~.~ Hetero oxygen


DEFINITION

Classification: 522/122

Hetero oxygen:

(under subclass 120) wherein the oxygen reactant contains at least one oxygen atom which is part of a heterocyclic group.

(1) Note. See Class 520, Glossary, for a definition of the term "heterocyclic".