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:
Jun. 23, 2026
Filed:
Apr. 17, 2024
Applicant:
Innospec Limited, Ellesmere, GB;
Inventors:
Assignee:
INNOSPEC LIMITED, Ellesmere Port, GB;
Primary Examiner:
Int. Cl.
CPC ...
C10L 1/222 (2006.01); C10L 10/04 (2006.01);
U.S. Cl.
CPC ...
C10L 1/222 (2013.01); C10L 1/2222 (2013.01); C10L 10/04 (2013.01); C10L 2270/026 (2013.01);
Abstract
A method of reducing the impact of deposits in a post combustion system of a diesel engine. The method comprises combusting in the engine a diesel fuel composition comprising as additives: (a) one or more quaternary ammonium salts; and (b) one or more compounds which are a product of a Mannich reaction between an (b1) aldehyde, (b2) an amine and (b3) an optionally substituted phenol. The method may be particularly effective when combusting a diesel fuel composition comprising renewable diesel.