Fuel additive compositions for gasoline direct injection engines

US12104132B2 · kind B2 · utility

Assignee

• The Lubrizol Corporation · US

Inventors

• Garrett Parker · Berkley, US
• Stuart L. Bartley · Lakewood, US
• Alexander Michlberger · Wickliffe, US
• Anthony R. Frank · Painesville, US
• Michael D. Nicholls · Twinsburg, US
• Adam E. Franczak · Olmsted Falls, US
• David L. Spivey · Stafford, GB
• Alexander Holmes · Belper, GB
• George S. Szappanos · Mentor, US
• Mark C. Davies · Pudong New District, CN

Key dates

• Filing date: Nov 22, 2019
• Grant date: Oct 1, 2024
• Expiry date: Jan 14, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10L2270/023
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Methods of reducing stochastic pre-ignition events and/or carbonaceous deposits in a gasoline-fueled engine by adding at least 10 ppm by weight of a compound having at least one alkyl succinic acid group to a gasoline fuel, wherein said compound is the product of (a) and (b), wherein:(a) is an amine with at least one tertiary nitrogen, water, or a hydrocarbyl substituted alcohol; and(b) is a hydrocarbyl-substituted succinic acid and/or anhydride.