Alkenyl-substituted dicarboxylic derivatives

Details Alkenyl-substituted dicarboxylic derivatives Alkenyl-substituted dicarboxylic derivatives

1996-08-02

1998-04-07

Howard, Jacqueline V.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

508486, 508492, 560190, C10M14500

Patent

active

057364923

ABSTRACT:
The invention provides alkenyl-substituted dicarboxylic derivatives, having (a) an alkenyl group derived from an atactic propylene oligomer substantially of the formula ##STR1## where n is in the range 15 to 120, having number average molecular weight (M.sub.n) in the range 700 to 5000, and molar ratio dicarboxylic moieties to atactic propylene oligomer in the range 1:1 to 1.5:1; and having (b) an ester group derived from a polyol, which are useful as dispersant additives; a process for making the ester derivatives, additive concentrates containing such ester derivatives, and lubricating oil compositions.

REFERENCES:
patent: 3522179 (1970-07-01), Le Suer
patent: 3639242 (1972-02-01), Le Suer
patent: 5273672 (1993-12-01), Dasai et al.
S/Report dated Jun. 1, 1997.

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