US PATENT SUBCLASS 205 / 732
.~.~.~.~.~ Using anode containing aluminum

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}
730  DF  .~.~.~ Internal battery action (e.g., using sacrificial anode, etc.) {1}
731  DF  .~.~.~.~ Ferrous metal {2}
732.~.~.~.~.~ Using anode containing aluminum

DEFINITION

Classification: 205/732

Using anode containing aluminum:

(under subclass 731) Subject matter in which a positive electrode containing aluminum (Al) is used to protect the ferrous metal object.

SEE OR SEARCH THIS CLASS, SUBCLASS:

708, for electrolytic removal of foreign material from a precious metal or precious metal alloy by internal battery action using an anode containing aluminum.