US PATENT SUBCLASS 162 / 5
.~.~ With organic agent

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}
4  DF  .~ Waste paper or textile waste {4}
5.~.~ With organic agent

DEFINITION

Classification: 162/5

(under subclass 4) Processes in which an organic agent is employed.

(1) Note. In many cases the organic agent is a solvent for the ink in a deinking process.

SEE OR SEARCH THIS CLASS, SUBCLASS:

72+, for the digestion or treatment of nonwaste or unused cellulose in which an organic agent is employed.