REFINING HIGH SULFUR LUBRICATING OIL CHARGE STOCKS
United States Patent 3481863

Inventors:
Donaldson, Robert E.
Murphy Jr., Harry C.
Stauffer, Harry C.
Publication Date:
12/02/1969
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Assignee:
GULF RESEARCH DEVELOPMENT CO
Primary Class:
208/210
Other Classes:
208/18, 208/216R, 208/213, 208/215, 208/217, 208/211
International Classes:
C10G45/02; C10G31/14; C10G41/00; C10G23/02
US Patent References:
3189540Production of lubricating oils by catalytic hydrogenation
3382168Process for purifying lubricating oils by hydrogenation




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