US PATENT SUBCLASS 44 / 551
.~ Containing specified binder


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.~ Containing specified binder {15}
552  DF  .~.~> With sewage, animal blood, or animal manure
553  DF  .~.~> With synthetic organic polymer prepared by polymerizing specified monomer (e.g., polyacrylonitrile, urea-formaldehyde resins, etc.)
554  DF  .~.~> With vegetable flour, vegetable meal, or dairy product
555  DF  .~.~> With glue or gelatin
556  DF  .~.~> With nonproteinaceous organic nitrogen compound (e.g., hexamethylenetetramine, alkanolamine salts, etc.)
557  DF  .~.~> With phosphorus- or boron-containing compound
558  DF  .~.~> With oxidant (e.g., nitrates, chlorates, chromates, permanganates, black manganese oxide, etc.)
559  DF  .~.~> With gypsum or silicon-containing material (e.g., clay, portland cement, water glass, etc.) {4}
564  DF  .~.~> Tar, pitch, or tar oil {4}
569  DF  .~.~> With bitumen or asphaltic material {2}
572  DF  .~.~> With paraffin, liquid hydrocarbon, or wax hydrocarbon {4}
577  DF  .~.~> With nonfibrous carbohydrate (e.g., molasses, starch, etc.)
578  DF  .~.~> With lignin, lignin derivative, or sulfite liquor (e.g., lignones, lignosulfonates, etc.)
579  DF  .~.~> With rubber, resin, or organic -C(=O)O- compound (e.g., rosin, tall oil, tallow, pine resin, carboxylic acids, etc.)
580  DF  .~.~> With limestone, elemental metal, elemental sulfur, or inorganic compound (except water)


DEFINITION

Classification: 44/551

Containing specified binder:

(under subclass 550) Subject matter wherein a material, described in terms of its chemical composition or chemical structure, is added to a solid fuel in order to achieve consolidation to a larger physical size.

(1) Note. To be classified herein, a claim must recite a binding material characterized in terms of its chemical nature, i.e., its composition or structure; use of functional language, e.g., "agglomerating binder", etc., does not satisfy this criterion.

(2) Note. A substance meeting the requirement of an indent under subclass 551 shall be presumed to serve a binding function, in the absence of a specific statement to the contrary. If a material in a consolidated fuel composition is stated specifically to serve a purpose other than binding, is not specified as a binder, and there is no specified binder in the claim, the composition shall be classified in another appropriate subclass under subclass 550.

(3) Note. Examples of binding substances provided for herein as part of a consolidated solid fuel composition are: (1) hydrocarbon oils which are solid, (2) fly ash, and (3) liquid extract of cactus plants.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic, appropriate subclasses, for a coating or plastic composition which may be used as a binder for fuel particles or as coating for fuel, but which is not, per se, useful as a fuel.