US PATENT SUBCLASS 44 / 591
.~ Carbonized material (e.g., coke, etc.)

Current as of: June, 1999
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44 /   HD   FUEL AND RELATED COMPOSITIONS

550  DF  CONSOLIDATED SOLIDS (E.G., BRIQUETTE, ETC.) {5}
591.~ Carbonized material (e.g., coke, etc.)

DEFINITION

Classification: 44/591

Carbonized material (e.g., coke, etc.):

(under subclass 550) Subject matter in which the starting fuel material is one containing free carbon, usually produced by a thermolytic distillation process, or in which a product is claimed which results from the conversion of a carbon compound to free carbon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

599, for a process of making a consolidated-solids fuel composition in which carbonization conditions or a carbonization technique is specified.

SEE OR SEARCH CLASS

201, Distillation: Processes, Thermolytic, appropriate subclasses for a process of complete carbonization with recovery of volatile materials.