Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Imidazoline fuel detergents

Patent ·
OSTI ID:6158271
A detergent additive imidazoline prepared by reacting carboxylic acid with polyamine is combined into fuel for an internal combustion engine or lubricating oil as a composition suitable for reducing deposits in an internal combustion engine. In an embodiment of the invention, the imidazoline is further combined with a sulfonic acid to obtain a fuel detergent of improved operability.
Assignee:
Phillips Petroleum Co
Patent Number(s):
US 4247300
OSTI ID:
6158271
Country of Publication:
United States
Language:
English