US PATENT SUBCLASS 525 / 201
.~.~.~.~ Solid polymer derived from metal-containing ethylenic reactant


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}
201.~.~.~.~ Solid polymer derived from metal-containing ethylenic reactant


DEFINITION

Classification: 525/201

Solid polymer derived from metal-containing ethylenic reactant:

(under subclass 191) Subject matter wherein the mixture contains a solid polymer derived from a metal-containing ethylenic reactant, e.g., sodium acrylate, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

221, for a mixture containing a metal-containing polymer produced by the neutralization of polyacrylic acid with metal hydroxide.