US PATENT SUBCLASS 162 / 146
.~.~ Synthetic (including chemically modified cellulose)

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}
146.~.~ Synthetic (including chemically modified cellulose)

DEFINITION

Classification: 162/146

(under subclass 141) Processes and products in which one of the fibrous components comprise synthetically produced fibers.

(1) Note. Examples of synthetic fibers are synthetic resins, cellulose esters and chemically modified cellulosic fibers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157.1, for processes and products in which synthetic fibers constitute the sole fibrous material.