ETHACOAL
an Admixture of Combustible Carbonaceous Particles-Namely, Coal Particles, in Ethyl Alcohol or a Mixture of Alcohols Predominately Ethanol, With or Without Other Low Molecular Weight Alcohols, Water and Other Alcohol Soluble Constituents of the Coal Used Primarily as a Fuel
Abandoned · January 17, 1980 · 73246521 ·