US PATENT SUBCLASS 106 / 139.1
.~.~.~.~ Cellulose ester 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}
139.1.~.~.~.~ Cellulose ester or salt thereof {2}
139.2  DF  .~.~.~.~.~> With nonproteinaceous organic compound containing sulfur or nitrogen
139.3  DF  .~.~.~.~.~> With nonproteinaceous organic compound containing oxygen except wax

DEFINITION

Classification: 106/139.1

Cellulose ester or salt thereof:

(under subclass 136.1) Compositions wherein the cellulosic material is the product of the reaction of a hydroxyl group of cellulose with an acid.

(1) Note. The esterifying acid may be organic or inorganic.