The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2024
Filed:
Nov. 22, 2019
The Lubrizol Corporation, Wickliffe, OH (US);
Garrett Parker, Mentor, OH (US);
Stuart L. Bartley, Wickliffe, OH (US);
Alexander Michlberger, San Antonio, TX (US);
Anthony R. Frank, Painesville, OH (US);
Michael D. Nicholls, Twinsburg, OH (US);
Adam E. Franczak, Olmsted Falls, OH (US);
David L. Spivey, Staffordshire, GB;
Alexander Holmes, Belper, GB;
George S. Szappanos, Mentor, OH (US);
Mark C. Davies, Pudong, CN;
The Lubrizol Corporation, Wickliffe, OH (US);
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.