Fuel for Otto-cycle engines

US5282872A · kind A · utility

Assignee

• BASF SE

Inventors

• Knut Oppenlaender · Ludwigshafen, DE
• Brigitte Wegner · Speyer, DE
• Juergen Mohr · Havelsee, DE
• Roland Schwen · Friedelsheim, DE
• Klaus Barthold · Mannheim, DE
• Juergen Thomas

Key dates

• Filing date: Nov 3, 1992
• Grant date: Feb 1, 1994
• Expiry date: Nov 3, 2012

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02B1/04
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An Otto-cycle engine fuel containing a small amount of an amide, amide/ammonium salt and/or ammonium salt of an aminoalkylene polycarboxylic acid and a long-chain secondary amine as additive for cleaning the carburetor and valves.