US PATENT SUBCLASS 162 / 177
.~.~.~ Cellulose derivative (e.g., cellulose ester)

Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

100  DF  PROCESSES AND PRODUCTS {31}
158  DF  .~ Non-fiber additive {16}
175  DF  .~.~ Carbohydrate {3}
177.~.~.~ Cellulose derivative (e.g., cellulose ester)

DEFINITION

Classification: 162/177

(under subclass 175) Processes and products which include a nonfibrous cellulose derivative, such as a cellulose ether or ester.

SEE OR SEARCH THIS CLASS, SUBCLASS:

146, and 157.1, for processes and products including chemically modified cellulosic fibers or synthetic cellulose derivative fibers.