Process of preparing coal for use in colloidal fuels
United States Patent 2430085
US Patent References:
Fuel and method of producing same
- - 1390231

Pulverization
- - 2029917

Coal pulverizer
- - 1977501

Fuel and method of producing same
- - 1390228

Dispersions of coal in oil
- - 1939587


Inventors:
Spencer, Kenneth A.
Machin, Donald W.
Publication Date:
11/04/1947
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Assignee:
Pittsburgh, Midway Coal Mining
Primary Class:
241/17
Other Classes:
241/152.200, 241/80, 44/282, 241/29, 241/19
International Classes:
F23K1/02; F23K1/00
US Patent References:
2231513Liquid fuel
1458106Method of making fuel
1991583Method of milling diatomaceous earth
2175484Dry concentration of carnotite ores
2319394Beneficiation of low grade coal
1491841Apparatus for pulverizing and separating granular materials
1710666Comminuting mill
Foreign References:
GB410883A