Inventor
COLEMAN RICHARD D
11 patents
⚠️ This page may combine multiple inventors who share the name “COLEMAN RICHARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANADIAN PATENTS DEV
6 patentsUS4998624AMar 12, 1991
Method of separating carbonaceous components from particulate coal containing inorganic solids and apparatus therefor
CANADIAN PATENTS DEV58 citations92
US4269699AMay 26, 1981
Bioadsorption alteration of iron sulfide surfaces
CANADIAN PATENTS DEV42 citations85
US4284413AAug 18, 1981
In-line method for the beneficiation of coal and the formation of a coal-in-oil combustible fuel therefrom
CANADIAN PATENTS DEV25 citations81
US4648962AMar 10, 1987
Method of breaking down chemisorption bond of clay-containing heavy oil water emulsions
CANADIAN PATENTS DEV7 citations72
US4601729AJul 22, 1986
Aqueous phase continuous, coal fuel slurry and a method of its production
CANADIAN PATENTS DEV18 citations72
US4874393AOct 17, 1989
Method of producing fuel of relatively higher calorific value from low rank and oxidized coal
CANADIAN PATENTS DEV8 citations67