US PATENT SUBCLASS 205 / 772
.~.~ Copper

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}
771  DF  .~ Removing metal {1}
772.~.~ Copper

DEFINITION

Classification: 205/772

Copper:

(under subclass 771) Subject matter in which copper (Cu) is removed.