US PATENT SUBCLASS 106 / 472
.~.~.~ Elemental carbon containing, e.g., carbon black, etc.

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  MATERIALS OR INGREDIENTS {7}
400  DF  .~ Pigment, filler, or aggregate compositions, e.g., stone, shale, pebbles, rock, etc. {1}
401  DF  .~.~ Composition contains identified material other than water {25}
472.~.~.~ Elemental carbon containing, e.g., carbon black, etc. {5}
473  DF  .~.~.~.~> Sulfur containing, treatment therewith or product
474  DF  .~.~.~.~> Metal compound containing
475  DF  .~.~.~.~> Silicon containing
476  DF  .~.~.~.~> Organic material containing, e.g., wax, paraffin, etc. {1}
478  DF  .~.~.~.~> Oxidation of carbon black or product thereof, e.g., treating of carbon black to increase volatile content or to lower pH, etc.

DEFINITION

Classification: 106/472

Elemental carbon containing, e.g., carbon black, etc.:

(under subclass 401) Subject matter wherein the composition contains carbon in the elemental form, e.g., carbon black, etc.

SEE OR SEARCH CLASS

423, Chemistry of Inorganic Compounds, appropriate subclasses for elemental carbon and processes of manufacturing elemental

carbon, per se.

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

901, for a collection of art under the Class definition which discloses subject matter relating to a colloid system comprising substantially pure elemental Carbon in one of its various forms such as graphite, lamp black, carbon black, fullerenes.