US PATENT SUBCLASS 523 / 211
.~.~.~.~ Reactant or catalyst is material encapsulated or impregnated

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71}
200  DF  .~.~ Process of forming a composition of a solid polymer or solid polymer forming system by admixing a product in the form of a surface coated, impregnated, encapsulated, or surface modified fiber, sheet, particle, or web, with a material; or composition which is the result of said admixing {8}
210  DF  .~.~.~ Product having a material encapsulated in or impregnated in a nonreactant material {1}
211.~.~.~.~ Reactant or catalyst is material encapsulated or impregnated

DEFINITION

Classification: 523/211

Reactant or catalyst is material encapsulated or impregnated:

(under subclass 210) Subject matter wherein the material encapsulated in, or impregnated into the nonreactive material

is a reactant or catalyst.

(1) Note. The term "reactant" as used herein is consistent with the context of the class definition of this class.