Mineral oils: processes and products – Products and compositions – Lubricating oils
Patent
1984-06-07
1985-06-04
Gantz, Delbert E.
Mineral oils: processes and products
Products and compositions
Lubricating oils
208 8LE, 208143, 208144, C10G 104
Patent
active
045212937
ABSTRACT:
A process for upgrading carbonaceous materials having low carbon content comprising preheating the carbonaceous material to a temperature above about 200.degree. C. in the absence of a solvent, extracting the heated carbonaceous material under moderate temperature and pressure conditions, and hydrotreating the extract under supercritical solvent conditions.
REFERENCES:
patent: 4197183 (1980-04-01), Audeh
patent: 4390411 (1983-06-01), Scinta et al.
patent: 4397736 (1983-08-01), Low
patent: 4438816 (1984-03-01), Urban et al.
patent: 4449586 (1984-05-01), Urban et al.
patent: 4461696 (1984-07-01), Bock et al.
Classen Theodore M.
Scinta James
Gantz Delbert E.
Pal A.
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