US PATENT SUBCLASS 205 / 682
.~.~ Phosphorus containing

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

640  DF  ELECTROLYTIC EROSION OF A WORKPIECE FOR SHAPE OR SURFACE CHANGE (E.G., ETCHING, POLISHING, ETC.) (PROCESS AND ELECTROLYTE COMPOSITION) {19}
674  DF  .~ Electrolyte composition or defined electrolyte {6}
682.~.~ Phosphorus containing

DEFINITION

Classification: 205/682

Phosphorus containing:

(under subclass 674) Subject matter in which the electrolyte contains phosphorus (P).

SEE OR SEARCH THIS CLASS, SUBCLASS:

677, for an electrolyte containing one or more phosphoric acids and more than 20 percent by weight organic material.

680, for an electrolyte containing more than 20 percent by weight of one or more phosphoric acids.