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. 29, 2019
Filed:
Nov. 06, 2014
Applicants:
Joseph M. Russo, Katy, TX (US);
William Jay Colucci, Glen Allen, VA (US);
Inventors:
Joseph M. Russo, Katy, TX (US);
William Jay Colucci, Glen Allen, VA (US);
Assignee:
Afton Chemical Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L 1/22 (2006.01); C10L 10/04 (2006.01); C10L 1/224 (2006.01); C10L 1/2383 (2006.01); C10L 1/18 (2006.01); C10L 10/08 (2006.01); C10L 1/198 (2006.01); C10L 1/238 (2006.01); C10L 1/185 (2006.01); C10L 1/232 (2006.01);
U.S. Cl.
CPC ...
C10L 10/04 (2013.01); C10L 1/18 (2013.01); C10L 1/22 (2013.01); C10L 1/224 (2013.01); C10L 1/2383 (2013.01); C10L 10/08 (2013.01); C10L 1/1852 (2013.01); C10L 1/1985 (2013.01); C10L 1/221 (2013.01); C10L 1/232 (2013.01); C10L 1/238 (2013.01); C10L 2200/0423 (2013.01); C10L 2270/023 (2013.01); C10L 2300/20 (2013.01); C10L 2300/30 (2013.01);
Abstract
A detergent additive package, fuel additive concentrate, fuel composition and method for operating an engine on an unleaded gasoline fuel. The additive package includes a Mannich base detergent mixture, wherein the mixture contains a first Mannich base detergent component derived from a di- or polyamine and a second Mannich base detergent component derived from a monoamine. A weight ratio of the first Mannich base detergent to the second Mannich base detergent in the mixture ranges from about 1:6 to about 3:1.