US PATENT SUBCLASS 201 / 16
.~.~.~ Solid product

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

13  DF  USING A CARBONIZATION PRODUCT AS INDIRECT HEAT SOURCE {1}
14  DF  .~ For heating the carbonaceous material {1}
15  DF  .~.~ Including heat by burning of product {1}
16.~.~.~ Solid product

DEFINITION

Classification: 201/16

(under subclass 15) Processes in which the carbonaceous charge is indirectly heated, at least in part, by burning a solid product of the thermolytic distillation operation.