Multipurpose fuel additive
AssigneeRohm and Haas Company
InventorsWarren H. Machleder, Joseph M. Bollinger
Life of this patent
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Abstract
A new multipurpose carburetor detergent for addition to gasoline is disclosed and claimed. The novel multipurpose detergent material shows excellent activity as a carburetor detergent, induction system detergent (% deposit reduction), combustion chamber detergency and, in addition, provides effective rust inhibition when used in automotive gasoline fuels at low concentrations. The new product is a polyisobutene phenol/epichlorohydrin/amine adduct. The novel product may also be described as the reaction product of a polyisobutene phenol with epichlorohydrin followed by amination with ethylene diamine.
Claims11
A multipurpose gasoline or lubricating oil additive, comprising an adduct selected from compounds, and mixtures thereof, of the formulas:
- ##STR10## wherein n is 1-5 and R.sub.2 is a benzene group having at least one polyalkylene substituent.
Dependencies are inferred from the claim text.