US PATENT SUBCLASS 205 / 766
.~ Solid (e.g., articles, particles, ore, etc.)

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

687  DF  ELECTROLYTIC MATERIAL TREATMENT (PRODUCT, PROCESS, AND ELECTROLYTE COMPOSITION) {8}
766.~ Solid (e.g., articles, particles, ore, etc.) {3}
767  DF  .~.~> Containing precious metal (e.g., beneficiating ore, etc.)
768  DF  .~.~> Containing free carbon (e.g., graphite, carbon black, etc.)
769  DF  .~.~> Glass, silica, quartz, or optical material (e.g., contact lenses, etc.)

DEFINITION

Classification: 205/766

Solid (e.g., articles, particles, ore, etc.):

(under subclass 687) Subject matter in which the material under treatment is an inorganic, nonmetallic solid (e.g., articles, particles, ore, etc.).