US PATENT SUBCLASS 162 / 95
.~.~ Cotton fibers or linters

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}
95.~.~ Cotton fibers or linters

DEFINITION

Classification: 162/95

(under subclass 91) Processes directed to the digestion or chemical treatment of raw staple cotton or the short fibers which adhere to cottonseed after the ginning operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

99, for processes of treating the hulls of cottonseeds.