US PATENT SUBCLASS 44 / 566
.~.~.~ With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, 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}
551  DF  .~ Containing specified binder {15}
564  DF  .~.~ Tar, pitch, or tar oil {4}
566.~.~.~ With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, etc.)

DEFINITION

Classification: 44/566

With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, etc.):

(under subclass 564) Subject matter wherein the consolidated solid fuel composition also contains elemental metal, metal oxide, limestone, or an inorganic metal salt.

(1) Note. The metal, metal oxide, limestone, or inorganic metal salt normally, but not necessarily, serves a binding function.