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:
Mar. 10, 2026
Filed:
Jul. 24, 2020
Applicant:
Innospec Limited, Ellesmere Port, GB;
Inventors:
Jacqueline Reid, Cymau, GB;
Vincent Burgess, Ellesmere Port, GB;
Assignee:
Innospec Limited, Ellesmere Port, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L 1/18 (2006.01); C10L 1/22 (2006.01); C10L 10/04 (2006.01); C10L 10/06 (2006.01); C10L 1/182 (2006.01); C10L 1/188 (2006.01); C10L 1/189 (2006.01); C10L 1/226 (2006.01); C10L 1/232 (2006.01); C10L 1/2383 (2006.01); C10L 1/2387 (2006.01);
U.S. Cl.
CPC ...
C10L 10/04 (2013.01); C10L 1/18 (2013.01); C10L 1/22 (2013.01); C10L 10/06 (2013.01); C10L 1/1817 (2013.01); C10L 1/1824 (2013.01); C10L 1/1881 (2013.01); C10L 1/189 (2013.01); C10L 1/221 (2013.01); C10L 1/226 (2013.01); C10L 1/232 (2013.01); C10L 1/2383 (2013.01); C10L 1/2387 (2013.01); C10L 2200/0259 (2013.01); C10L 2200/029 (2013.01); C10L 2200/0446 (2013.01); C10L 2250/04 (2013.01); C10L 2270/026 (2013.01);
Abstract
A method of reducing deposits in a diesel engine, the method comprising combusting in the engine a diesel fuel composition comprising a detergent additive which is not a quaternary ammonium salt or a Mannich reaction product; and a quaternary ammonium salt additive comprising the reaction product of nitrogen containing species having at least one tertiary amine group and a quaternizing agent; wherein the nitrogen containing species is selected from: