Maleic anhydride-polyether-polyamine reaction product and motor

Details Maleic anhydride-polyether-polyamine reaction product and motor Maleic anhydride-polyether-polyamine reaction product and motor

1986-01-23

1987-04-21

Smith, Mrs. Y. Harris

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 71, C10L 122

Patent

active

046593373

ABSTRACT:
A material is described having a use as a motor fuel additive for controlling engine octane requirement increase (ORI), controlling and reducing hydrocarbon and carbon monoxide engine emissions, and having carburetor detergency properties. Said material is the reaction product of maleic anhydride, a polyether polyamine, preferably a polyether diamine, and a hydrocarbyl polyamine, preferably an n-alkyl-alkylene diamine. A concentrate comprising the prescribed reaction product dissolved in a hydrocarbon solvent is also described. Motor fuels containing the reaction product additive of the instant invention show improved ORI control and carburetor detergency in comparison with motor fuels without said reaction product additive.

REFERENCES:
patent: 3455832 (1969-07-01), Davis
patent: 3920698 (1975-11-01), Haemmerle et al.
patent: 3980448 (1976-09-01), Haemmerle
patent: 4419105 (1983-12-01), Sung
patent: 4477261 (1984-10-01), Sung
patent: 4536189 (1985-08-01), Sung
patent: 4604103 (1986-08-01), Campbell

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