US PATENT SUBCLASS 162 / 20
.~ With decortication or mechanical preparation of textile fibers

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

1  DF  PROCESSES OF CHEMICAL LIBERATION, RECOVERY OR PURIFICATION OF NATURAL CELLULOSE OR FIBROUS MATERIAL {33}
20.~ With decortication or mechanical preparation of textile fibers

DEFINITION

Classification: 162/20

(under subclass 1) Processes combined with a step of (1) subjecting a nonwood fibrous material to a mechanical attrition step to strip off the husk or outer shell or to separate the fibrous material from nonfibrous material, or (2) subjecting fibrous material to be used in textile operations to a mechanical operation to modify or facilitate the preparation of the fibers for textile use.

SEE OR SEARCH CLASS

19, Textiles: Fiber Preparation, for processes of decortication fiber preparation not involving any chemical treatment of the fiber.