US PATENT SUBCLASS 423 / 449.8
.~.~.~ Solid material in feed


Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

414  DF  CARBON OR COMPOUND THEREOF {3}
445 R  DF  .~ Elemental carbon {7}
449.1  DF  .~.~ Carbon black (e.g., lampblack) {6}
449.8.~.~.~ Solid material in feed


DEFINITION

Classification: 423/449.8

Solid material in feed:

(under subclass 449.1) Processes which include feeding stock material that is in a solid-state, either homogeneous or heterogeneous (e.g., wood or coke).