Extraction of oil using amides

Mineral oils: processes and products – Products and compositions – Lubricating oils

Patent

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Details

C10G 104

Patent

active

043572308

ABSTRACT:
This invention relates to the extraction of oil shales and tar sands using an amide to effect extraction of kerogen and bitumenous materials from the shale or sand. Extraction may be at ambient conditions, if desired.

REFERENCES:
patent: 3581823 (1971-06-01), Feuerbacher
patent: 4156463 (1979-05-01), Hall
patent: 4297206 (1981-10-01), Scheibel

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