Modified high molecular weight succinimides

Details Modified high molecular weight succinimides Modified high molecular weight succinimides

1993-03-09

1994-08-02

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 515R, 548545, 548546, 549228, 549229, C10M13344

Patent

active

053343212

ABSTRACT:
Alkenyl or alkyl succinimide additives which are the reaction product of a high molecular weight alkenyl- or alkyl-substituted succinic anhydride and a polyalkylene polyamine having an average of greater than 4 nitrogen atoms per mole, wherein the reaction product is post-treated with a cyclic carbonate, are compatible with fluorocarbon engine seals and, for concentration levels at which fluorocarbon seal compatibility is achieved, possess improved dispersancy and/or detergency properties when employed in lubricating oils and fuels,

REFERENCES:
patent: 4584117 (1986-04-01), Wollenberg
patent: 4612132 (1986-09-01), Wollenberg et al.
patent: 4713188 (1987-12-01), Wollenberg
patent: 4755312 (1988-07-01), Wollenberg
patent: 4840744 (1989-06-01), Wollenberg et al.

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