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US 5,876,468 AGranted
Detergents for hydrocarbon fuels
AssigneeLubrizol Adibis Holdings (UK) Limited
InventorDavid John Moreton
Life of this patent
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Abstract
Compounds comprising a Mannich reaction product of a) a polyisobutene-substituted phenol wherein at least 70% of the terminal olefinic double bonds in the polyisobutene are of the vinylidene type; b) an aldehyde; and c) ethylene diamine are disclosed, which are shown to have good detergency properties in hydrocarbon fuels.
Claims10
Compound comprising a Mannich reaction product of
- a) a polyisobutene-substituted phenol wherein at least 70% of the terminal olefinic double bonds in the polyisobutene are of the vinylidene type;
- b) an aldehyde;
- c) ethylene diamine.
Dependencies are inferred from the claim text.