US PATENT SUBCLASS 106 / 478
.~.~.~.~ Oxidation of carbon black or product thereof, e.g., treating of carbon black to increase volatile content or to lower pH, 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  DF  .~.~.~ Elemental carbon containing, e.g., carbon black, etc. {5}
478.~.~.~.~ Oxidation of carbon black or product thereof, e.g., treating of carbon black to increase volatile content or to lower pH, etc.

DEFINITION

Classification: 106/478

Oxidation of carbon black or product thereof, e.g., treating of carbon black to increase volatile content or to lower PH, etc.:

(under subclass 472) Subject matter involving oxidation of carbon black, wherein such a process is claimed or a product of such a process is a part of the composition.