Lubricant compositions containing dispersant additives

Details Lubricant compositions containing dispersant additives Lubricant compositions containing dispersant additives

1978-06-19

1980-11-11

Waltz, Thomas A.

Compositions

Electrolytes for electrical devices

252 515R, 260239BC, 544398, 544402, 548320, 560158, 560159, C07C12506, C07D29514, C10M 132

Patent

active

042331684

ABSTRACT:
Lubricant compositions for internal combustion engines are provided containing dispersant additives which prevent sludge and varnish formation in the crankcase. The additives are oil-soluble poly(oxyalkylene) aminocarbamates comprising a hydrocarbyl-terminated poly(oxyalkylene) chain of 2-5 carbon oxyalkylene units.

REFERENCES:
patent: 2991162 (1961-07-01), Malec
patent: 3359303 (1967-12-01), Coker et al.
patent: 3438757 (1969-04-01), Honnen et al.
patent: 3454625 (1969-07-01), Eiseman, Jr. et al.
patent: 3565592 (1971-02-01), Mehmedbasich
patent: 3630904 (1971-12-01), Musser et al.
patent: 3652240 (1972-03-01), Dorn et al.
patent: 3658882 (1972-04-01), Eiseman, Jr.
patent: 3671511 (1972-06-01), Honnen et al.
patent: 3786081 (1974-01-01), Oppenlaender et al.
patent: 3813341 (1974-05-01), Elliott et al.
patent: 3836470 (1974-09-01), Miller
patent: 3960515 (1976-06-01), Honnen
patent: 4160648 (1979-07-01), Lewis et al.

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