US PATENT SUBCLASS 162 / 142
.~.~ Undigested cellulosic fiber


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

100  DF  PROCESSES AND PRODUCTS {31}
141  DF  .~ Plural fiber containing {7}
142.~.~ Undigested cellulosic fiber


DEFINITION

Classification: 162/142

(under subclass 141) Processes and products in which one of the fibrous components is undigested cellulosic fiber, such as groundwood or sawdust.

SEE OR SEARCH THIS CLASS, SUBCLASS:

71, for processes involving the chemical liberation or purification of groundwood or sawdust.

150, for processes and products in which undigested cellulosic fibers constitute the sole fibrous component.