Process for the refining of used motor oils and products thereof

Details Process for the refining of used motor oils and products thereof Process for the refining of used motor oils and products thereof

1977-01-21

1978-08-08

Levine, Herbert

Mineral oils: processes and products

Products and compositions

Lubricating oils

208180, 208181, 252388, C10M 1100

Patent

active

041055381

ABSTRACT:
Contaminants produced in lubricating oils during use in internal combustion engines are converted to removable particulate matter by treatment with an amine. If an amine of higher activity is employed, the resulting refined product is re-usable as a lubricating oil and if an amine of lower activity is employed, the resulting product can be used as a corrosion inhibitor for metal surfaces.

REFERENCES:
patent: 1882002 (1932-10-01), Dietrich
patent: 1990359 (1935-02-01), Ambler
patent: 2162195 (1939-06-01), Greensfelder et al.
patent: 2568583 (1951-09-01), Graves
patent: 2951031 (1960-08-01), Barclay
patent: 3282827 (1966-11-01), Grysiak
patent: 3305478 (1967-02-01), Gilson et al.
patent: 3985642 (1976-10-01), Friel et al.

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