US PATENT SUBCLASS 162 / 157.6
.~.~ Cellulosic

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

100  DF  PROCESSES AND PRODUCTS {31}
157.1  DF  .~ Synthetic fiber (including chemically modified cellulose) {2}
157.6.~.~ Cellulosic {1}
157.7  DF  .~.~.~> Regenerated cellulose, viscose or rayon

DEFINITION

Classification: 162/157.6

Cellulosic:

(under subclass 157.1) Processes and products in which the fibers consist of cellulosic material.