US PATENT SUBCLASS 523 / 221
.~.~.~ Two or more solid synthetic polymers having defined physical dimension or surface area

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}
220  DF  .~.~ Process of forming a composition having two or more solid materials having defined physical dimensions or surface areas; or composition containing same {1}
221.~.~.~ Two or more solid synthetic polymers having defined physical dimension or surface area

DEFINITION

Classification: 523/221

Two or more solid synthetic polymers having defined physical dimension or surface area:

(under subclass 220) Subject matter containing two or more solid polymers having numerically defined physical dimensions or surface areas.