Coal hydrogenation process
United States Patent 2913388

Inventors:
Howell, John H.
Doughty, Edward W.
Alspaugh, Paul L.
Publication Date:
11/17/1959
View Patent Images:
Assignee:
Howell, John H.
Doughty, Edward W.
Alspaugh, Paul L.
Primary Class:
Other Classes:
208/423, 208/108, 208/15, 208/107
International Classes:
C01B3/40; C10G1/06; C10G1/08; C01B3/00; C10G1/00
US Patent References:
2738311Coal hydrogenation process