Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1994-02-18
1995-11-21
Willis, Jr., Prince
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
44410, 560169, 560193, 560198, C10L 118
Patent
active
054682630
ABSTRACT:
The present invention relates to an alkylphenyl poly(oxyalkylene) polyamine acid ester fuel detergent effective for controlling deposit generated in an automobile engine, prepared by reacting polyamine and alkylphenyl poly(oxyalkylene) maleate derivative prepared by reaction of alkylphenyl poly(oxyalkylene) alcohol and maleic anhydride, through Michael reaction. A fuel detergent diluted solution comprising 5-70 wt % of said fuel detergent and an inert organic solvent, and a hydrocarbon fuel composition comprising thereof are prepared. The present invention does not use deadly toxic phosgene gas used in preparation of a deposit control additive for conventional polyether amine deposit control additive and prevents generation of amine salt to eliminate the process for removing amine salt. The present invention does not use excessive polyamine, minimizing the consuming amount of the polyamine and eliminates the process for removing and recovering the polyamine salt such that it provides a new fuel detergent showing excellent detergency.
REFERENCES:
patent: 2761874 (1956-09-01), Bersworth et al.
patent: 3979442 (1976-07-01), Schafer et al.
patent: 4075411 (1978-02-01), Dickstein
patent: 4321062 (1982-03-01), Herbstman et al.
patent: 4326069 (1982-04-01), Stockinger et al.
Chung Hyun-jong
Guen Ho-young
Kim Duk-han
Ku Bon-chul
Yim Sang-chul
Toomer Cephia D.
Willis Jr. Prince
Yukong Limited
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