US PATENT SUBCLASS 162 / 44
.~.~.~.~.~ With recombing

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}
41  DF  .~.~ Recirculation (includes separation from fibers) {2}
42  DF  .~.~.~ With treatment of fluids during recirculation {2}
43  DF  .~.~.~.~ Removal and/or separation of portion of recirculating fluid {1}
44.~.~.~.~.~ With recombing

DEFINITION

Classification: 162/44

(under subclass 43) Processes in which at least a part of the removed portion of fiber treating fluid is combined with the remainder of the recirculating fiber treating fluid before it is again brought into association with the fibrous mass.

(1) Note. In many of the patents of this subclass, gases or vapors separated from the fiber treating liquid are recombined therewith.