Lubricating oil compositions containing overbased calcium sulfon

Details Lubricating oil compositions containing overbased calcium sulfon Lubricating oil compositions containing overbased calcium sulfon

Filed on

1982-10-28

Date issued

1984-11-20

Examiner

Howard, Jacqueline V.

Patent Class

Compositions

SubClass

Electrolytes for electrical devices

Other Related Categories

252 467, 252389A, 252400A, C10M 148

Type

Patent

Status

active

Patent number

044837755

Description

ABSTRACT:
The anti-wear properties of lubricating oil compositions containing overbased calcium sulfonate are improved when a metal diisopropyl dithiophosphate-succinimide complex is added to the oil. Oil compositions containing this combination are useful as crankcase lubricants.

REFERENCES:
patent: 3185645 (1965-05-01), Clayton
patent: 3284354 (1966-11-01), Tinkel et al.
patent: 3844960 (1974-10-01), Breitigan et al.
patent: 4306984 (1981-12-01), Yamaguchi

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