US PATENT SUBCLASS 527 / 102
.~.~.~ With ethylenic reactant

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {6}
100  DF  .~ FROM REACTANT WHICH IS A CELLULAR MATERIAL DERIVED FROM PLANT OR ANIMAL SOURCE AND IS OTHER THAN DIATOMACEOUS EARTH, BLOOD, COTTON, OR FARINACEOUS FLOUR, E.G., CITRUS PULP, WALNUT SHELL FLOUR, ETC. {2}
101  DF  .~.~ Animal derived, e.g., hair, leather, horn, etc. {1}
102.~.~.~ With ethylenic reactant

DEFINITION

Classification: 527/102

With ethylenic reactant:

(under subclass 101) Subject matter wherein there is at least one ethylenic reactant in addition to the animal derived cellular material.

SEE OR SEARCH CLASS

526, Synthetic Resins or Natural Rubbers,

238.1, for homo- and co-polymers of ethylenic monomers having

protein or biologically active polypeptide chemically bonded thereto.