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WOLF MINERAL PROCESS CORP. v. MINERAL SEPARATION N. A. CORP.

No. 286.

7 F.2d 903 (1925)

WOLF MINERAL PROCESS CORPORATION v. MINERAL SEPARATION NORTH AMERICAN CORPORATION.

District Court, D. Maryland.

August 8, 1925.

Attorney(s) appearing for the Case

Jacob F. Murbach, of Baltimore, Md., William M. Chadbourne, Leonard A. Watson, Willis B. Rice, Clinton De W. Van Siclen, and Carroll R. Ward, all of New York City, and Alfred H. Phillips, of New Haven, Conn., for plaintiff.

Venable, Baetjer & Howard, of Baltimore, Md., Henry D. Williams and William Houston Kenyon, both of New York City, Lindley M. Garrison, of Jersey City, N. J., and Edward Thomas, of New York City, for defendant.

SOPER, District Judge.

Twenty years ago an important invention was made in the art of metallurgy relating to the separation of the metallic substances in pulverized ores from the nonmetallic constituents, consisting of quartz or rocky material, called gangue. In the prior art, ore concentration in actual practice consisted of water or gravity concentration, wherein, under different conditions of agitation, the separation of the quicker settling particles from the...

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