US PATENT SUBCLASS 527 / 103
.~.~ Wood or wood cellulose fiber or flour

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}
103.~.~ Wood or wood cellulose fiber or flour {1}
105  DF  .~.~.~> With aldehyde or derivative

DEFINITION

Classification: 527/103

Wood or wood cellulose fiber or flour:

(under subclass 100) Subject matter wherein the cellular material derived from a plant is wood or wood cellulose (fiber or flour).

(1) Note. Included herein is raw lignocellulose which is deemed to be wood for the purpose of this subclass.

(2) Note. Included herein as reactants are (e.g., wood fibers, quebracho wood, etc.).

SEE OR SEARCH CLASS

526, Synthetic Resins or Natural Rubbers,

238.21, for homo- and co-polymers or ethylenic monomers having cellulose or a derivative chemically bonded thereto.