US PATENT SUBCLASS 162 / 98
.~.~ Bast (e.g., flax, hemp, jute, ramie, sisal)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


162 /   HD   PAPER MAKING AND FIBER LIBERATION

1  DF  PROCESSES OF CHEMICAL LIBERATION, RECOVERY OR PURIFICATION OF NATURAL CELLULOSE OR FIBROUS MATERIAL {33}
91  DF  .~ Particular raw cellulosic materials {8}
98.~.~ Bast (e.g., flax, hemp, jute, ramie, sisal)

DEFINITION

Classification: 162/98

(under subclass 91) Processes directed to the digestion or chemical treatment of flax, hemp, jute or ramie.

(1) Note. For the purpose of this subclass, the term "hemp" includes Manila hemp (Musa textilis) and sisal hemp (Agave) as well as true hemp (Cannabis sative).