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Home › Extraction of hydrocarbon oils using a combination polar extraction solvent-aliphatic-aromatic or polar extraction solvent-polar substituted naphthenes extraction solvent mixture

Extraction of hydrocarbon oils using a combination polar extraction solvent-aliphatic-aromatic or polar extraction solvent-polar substituted naphthenes extraction solvent mixture

US Patent 4909927 · Granted Mar 20, 1990

Estimated economic value: $70,870,000 ⓘ

Assignee

ExxonMobil

Inventors

James D. Bell (3 patents)

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