US PATENT SUBCLASS 201 / 25
FEED OTHER THAN COAL, OIL SHALE OR WOOD


Current as of: June, 1999
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201 /   HD   DISTILLATION: PROCESSES, THERMOLYTIC

25FEED OTHER THAN COAL, OIL SHALE OR WOOD


DEFINITION

Classification: 201/25

(under the class definition) Processes in which the feed is a solid carbonaceous material other than coal, oil shale or wood.

(1) Note. Corn cobs, peat and straw are examples of solid carbonaceous material within the scope of this subclass.

(2) Note. For purposes of this subclass the term "coal" includes anthracite, all bituminous coals and all lignites.

(3) Note. For purposes of this subclass the term "wood" includes wood of any type whether in large pieces or as sawdust.

(4) Note. For purposes of this subclass the term "oil shale" includes tar sands.

SEE OR SEARCH CLASS

44, Fuel and Related Compositions, 490+, for peat briquettes and processes for preparing peat for fuel, especially subclass 492 for a process for wet carbonizing peat