US PATENT SUBCLASS 525 / 192
.~.~.~.~ Treating polymer or polymer mixture with a chemical treating agent other than solid polymer

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
50  DF  .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32}
55  DF  .~.~ At least one solid polymer derived from ethylenic reactants only {25}
191  DF  .~.~.~ Polymer mixture of two or more solid polymers derived from ethylenically unsaturated reactants only; or mixtures of said polymer mixture with a chemical treating agent; or products or processes of preparing any of the above mixtures {23}
192.~.~.~.~ Treating polymer or polymer mixture with a chemical treating agent other than solid polymer {3}
193  DF  .~.~.~.~.~> Agent contains an ethylenic group
194  DF  .~.~.~.~.~> Agent is an organic material {1}
196  DF  .~.~.~.~.~> Agent contains a metal atom

DEFINITION

Classification: 525/192

Treating polymer or polymer mixture with a chemical treating agent other than solid polymer:

(under subclass 191) Subject matter drawn to processes of treating a polymer or polymer mixture with a chemical agent.

(1) Note. In the Class Definition of this class, see Lines With Other Classes and Within This Class, section II, B(1) for lines between this subclass and its indents.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199, through 241, for a product which is the result of a treating process proper for this subclass and its indents.