US PATENT SUBCLASS 106 / 140.1
.~.~.~.~ Cellulose ether or salt thereof

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
124.1  DF  .~ Proteinaceous material containing {21}
135.1  DF  .~.~ With carbohydrate or derivative {4}
136.1  DF  .~.~.~ Cellulosic material {7}
140.1.~.~.~.~ Cellulose ether or salt thereof {2}
140.2  DF  .~.~.~.~.~> With natural resin or derivative
140.3  DF  .~.~.~.~.~> With nonproteinaceous organic compound containing oxygen except wax

DEFINITION

Classification: 106/140.1

Cellulose ether or salt thereof:

(under subclass 136.1) Compositions wherein the cellulosic material is a compound having the general formula ROR4, wherein RO- is the cellulose residue moiety and R4 is an ether-forming radical.

(1) Note. Cellulose ether is made by etherifying the hydroxyl groups of cellulose.