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:
Feb. 10, 2026
Filed:
Dec. 14, 2022
Applicant:
Innospec Limited, Ellesmere, GB;
Inventors:
Jacqueline Reid, Ellesmere, GB;
Martin Roberts, Ellesmere, GB;
Alan Ross, Ellesmere, GB;
Michael James Simms, Ellesmere, GB;
Assignee:
INNOSPEC LIMITED, , GB;
Primary Examiner:
Int. Cl.
CPC ...
C10L 10/04 (2006.01); C10L 1/08 (2006.01); C10L 1/236 (2006.01);
U.S. Cl.
CPC ...
C10L 10/04 (2013.01); C10L 1/08 (2013.01); C10L 1/236 (2013.01); C10L 1/2366 (2013.01); C10L 2270/026 (2013.01);
Abstract
A diesel fuel composition including (a) a quaternary ammonium salt additive; and (b) one or more nitrogen-free detergents; wherein the quaternary ammonium salt additive includes the quaternised reaction product of a hydrocarbyl substituted succinic acid derived acylating agent and a compound able to react with said acylating agent and which includes a tertiary amine group; wherein each molecule of the hydrocarbyl substituted succinic acid derived acylating agent includes on average at least 1.2 succinic acid moieties.