Lubricating oil compositions containing a combination of a modif

Details Lubricating oil compositions containing a combination of a modif Lubricating oil compositions containing a combination of a modif

1989-04-14

1990-05-22

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 515A, C10M14106, C10M13344

Patent

active

049275518

ABSTRACT:
Lubricating oil compositions containing a combination of a polyamino alkenyl or alkyl succinimide modified to contain carbamate functionalities and a Group II metal overbased sulfurized alkylphenol unexpectedly possess little, if any, adverse compatability effects on deposits in diesel engines as compared to lubricating oil compositions containing a combination of an unmodified polyamino alkenyl or alkyl succinimides and a Group II metal overbased sulfurized alkylphenol.

REFERENCES:
patent: 4196089 (1980-04-01), Pitzer et al.
patent: 4221673 (1980-09-01), Robson et al.
patent: 4612132 (1986-09-01), Wollenberg et al.

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