Precoupled mono-succinimide lubricating oil dispersants and vito

Details Precoupled mono-succinimide lubricating oil dispersants and vito Precoupled mono-succinimide lubricating oil dispersants and vito

1986-08-20

1987-12-15

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 515R, C10M13316

Patent

active

047131896

ABSTRACT:
A lubricating oil composition having improved dispersancy and viton seal compatibility. The dispersant being prepared by coupling two polyethyleneamines with an aldehyde and a phenol, followed by conversion to a succinimide. The resulting coupled succinimide is then acylated with glycolic acid to form a glycolated Mannich phenol coupled mono-alkenyl succinimide.

REFERENCES:
patent: 4354950 (1982-10-01), Hammend et al.
patent: 4482464 (1984-11-01), Karol et al.
patent: 4636322 (1987-01-01), Nalesnik

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