Title:
Crankcase oil refining
United States Patent 3173859

Inventors:
Chambers, John M.
Publication Date:
03/16/1965
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Assignee:
BERKS ASSOCIATES INC
Primary Class:
208/184
Other Classes:
208/185, 208/354, 208/356, 203/85, 208/355
International Classes:
B01D5/00; C10G7/00; C10M175/00
US Patent References:
2133070Process for manufacturing motor fuels
2382067Alkylation
2426110Distillation of crude petroleum
2995500Separation process of aqueous pyridine mixtures
3026254Purification of furfural
3079330Process for steam-stripping hydrocarbon fractions from rich oil
Foreign References:
GB255428A