US PATENT SUBCLASS 162 / 173
.~.~ Hydrocarbon

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

100  DF  PROCESSES AND PRODUCTS {31}
158  DF  .~ Non-fiber additive {16}
173.~.~ Hydrocarbon

DEFINITION

Classification: 162/173

(under subclass 158) Processes and products which include a hydrocarbon.