US PATENT SUBCLASS 75 / 391
.~.~ Utilizing a Nitrogen(N) containing agent

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}
388  DF  .~ Preparing for amalgamation, preparing and amalgamating, or breaking amalgam to produce free metal {3}
391.~.~ Utilizing a Nitrogen(N) containing agent

DEFINITION

Classification: 75/391

Utilizing a Nitrogen (N) containing agent:

(under subclass 388) Process wherein a Nitrogen (N) containing agent (e.g., salt peter, Nitric acid, Ammonium sulfate, Nitrogen dioxide, etc.) is used at any stage in the process.