US PATENT SUBCLASS 162 / 15
.~.~ From digester relief gases

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}
14  DF  .~ Including recovery of organic by-product {2}
15.~.~ From digester relief gases

DEFINITION

Classification: 162/15

(under subclass 14) Processes in which the organic material is recovered from gases given off from a digester.

(1) Note. An example of gas given off from a digester is that in relief of pressure.