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US 4,056,531 AGranted
Polymonoolefin quaternary ammonium salts of triethylenediamine
AssigneeEthyl Corporation
InventorRobert E. Malec
Life of this patent
Estimating the term…
Abstract
High molecular weight N-hydrocarbyl-substituted quaternary ammonium salts in which the hydrocarbyl group has a molecular weight of from about 350-3000 such as a polybutene ammonium chloride are effective detergents and dispersants for gasoline and lubricating oils.
Claims9
A high molecular weight quaternary ammonium salt of triethylenediamine having one or two palymonoolefin groups having an average molecular weight of from about 350 to about 3000 bonded only to a quaternary ammonium nitrogen atom of said triethylenediamine.
Dependencies are inferred from the claim text.