US PATENT SUBCLASS 205 / 737
.~.~.~.~ Using anode containing free carbon (e.g., graphite, carbon fibers, 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}
704  DF  .~ Metal or metal alloy {3}
724  DF  .~.~ Object protection {8}
735  DF  .~.~.~ Ferrous metal {2}
737.~.~.~.~ Using anode containing free carbon (e.g., graphite, carbon fibers, etc.)

DEFINITION

Classification: 205/737

Using anode containing free carbon (e.g., graphite, carbon fibers, etc.):

(under subclass 735) Subject matter in which a positive electrode containing free carbon (C) (e.g., graphite, carbon fibers, etc.) is used to protect the ferrous metal object.

SEE OR SEARCH THIS CLASS, SUBCLASS:

739, for electrolytic protection of a nonferrous metal or metal alloy object using an anode containing free carbon.

760, for electrolytic treatment of water, sewage, or other waste water using an electrode containing a precious metal or free carbon.