US PATENT SUBCLASS 162 / 240
.~.~.~ With incinerator or evaporator

Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

232  DF  APPARATUS {22}
233  DF  .~ Digester {12}
239  DF  .~.~ With recovery means {1}
240.~.~.~ With incinerator or evaporator

DEFINITION

Classification: 162/240

(under subclass 239) Apparatus having means to apply heat to the used chemicals to cause a change in the state or nature of the chemicals to render them fit for reuse.