US PATENT SUBCLASS 75 / 635
.~.~.~.~.~.~ Recovering Silver(Ag) from photographic material


Current as of: June, 1999
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75 /   HD   SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES

330  DF  PROCESSES {9}
392  DF  .~ Producing or treating free metal {10}
414  DF  .~.~ At 300 degrees C or greater (e.g., pyrometallurgy, etc.) {7}
585  DF  .~.~.~ Nonferrous {25}
631  DF  .~.~.~.~ Noble metal, singly or in combination {4}
634  DF  .~.~.~.~.~ Silver(Ag) {2}
635.~.~.~.~.~.~ Recovering Silver(Ag) from photographic material


DEFINITION

Classification: 75/635

Recovering Silver (Ag) from photos:graphic material:

(under subclass 634) Process in which Silver (Ag) is obtained from photos:graphic material.