US PATENT SUBCLASS 205 / 675
.~.~ Less than 50 weight percent water

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}
675.~.~ Less than 50 weight percent water {3}
676  DF  .~.~.~> More than 20 weight percent organic material {2}
679  DF  .~.~.~> More than 20 weight percent chromium compound
680  DF  .~.~.~> More than 20 weight percent of one or more phosphoric acids

DEFINITION

Classification: 205/675

Less than 50 weight percent water:

(under subclass 674) Subject matter in which the major portion by weight of the electrolyte is a material other than water.