Catalytic treatment of lubrication oil base stock for improvemen

Details Catalytic treatment of lubrication oil base stock for improvemen Catalytic treatment of lubrication oil base stock for improvemen

1974-11-22

1976-11-02

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 18, 208111, 208120, C10G 3704

Patent

active

039896170

ABSTRACT:
This invention relates to a method of catalytically treating lubricating oil base stocks with certain crystalline zeolite catalysts, exemplified by ZSM-5 zeolite, in order to improve the oxidative stability of the base stocks. The treatment is conducted under very mild conditions with minimal loss of lubricant material.

REFERENCES:
patent: 2967144 (1961-01-01), Cole
patent: 3549520 (1970-12-01), Morris
patent: 3700585 (1972-10-01), Chen et al.
patent: 3755138 (1973-08-01), Chen et al.
patent: 3755145 (1973-08-01), Orkin
patent: 3853749 (1974-12-01), Espenscheid et al.

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