US PATENT SUBCLASS 44 / 641
SOLID FUEL COMBUSTION IMPROVING COMPOSITION

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

641SOLID FUEL COMBUSTION IMPROVING COMPOSITION

DEFINITION

Classification: 44/641

SOLID FUEL COMBUSTION IMPROVING COMPOSITION:

(under the class definition) Composition which in itself is not a fuel, designed to be added to a solid fuel while it is being burned, or a process for making such a composition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

603, for a fuel product containing a combustion improver.