US PATENT SUBCLASS 162 / 33
.~.~.~ With mixing of liquors from different digestions

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}
29  DF  .~ With regeneration, reclamation, reuse, recycling or destruction of digestion fluid {3}
30.1  DF  .~.~ With destruction of organic ingredient in or smelting of liquor {7}
33.~.~.~ With mixing of liquors from different digestions

DEFINITION

Classification: 162/33

(under subclass 30) Processes in which waste liquors from at least two different types of fiber digestion or treatment are mixed before or after destruction of the organic ingredient or smelting.