| 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} |
| 401 | DF | .~.~ Treating multicomponent metal-containing scrap having an integral substrate to separate metal therefrom by temperature modification or chemical process at least one metal remains solid during separation {2} |
| 402 | | .~.~.~ Utilizing molten salt bath |