US PATENT SUBCLASS 205 / 768
.~.~ Containing free carbon (e.g., graphite, carbon black, 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  DF  .~ Solid (e.g., articles, particles, ore, etc.) {3}
768.~.~ Containing free carbon (e.g., graphite, carbon black, etc.)

DEFINITION

Classification: 205/768

Containing free carbon (e.g., graphite, carbon black, etc.):

(under subclass 766) Subject matter in which the solid material contains carbon (C) in a free or uncombined state (e.g., graphite, carbon black, etc.).