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:
Nov. 16, 2021
Filed:
Mar. 28, 2018
Applicant:
Innospec Limited, Ellesmere Port, GB;
Inventors:
Alan Norman Ross, Wigan, GB;
Martin Roberts, Tarleton, GB;
Assignee:
Innospec Limited, Ellesmere Port, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L 1/222 (2006.01); C10L 1/19 (2006.01); C10L 10/18 (2006.01); C10L 1/223 (2006.01); C07C 211/63 (2006.01); C07C 215/40 (2006.01); C07C 217/08 (2006.01); C10L 10/08 (2006.01); C07C 209/24 (2006.01); C07C 213/04 (2006.01); C07C 67/40 (2006.01); C07C 67/317 (2006.01); C10M 133/06 (2006.01); C10L 10/04 (2006.01);
U.S. Cl.
CPC ...
C10L 1/1905 (2013.01); C10L 1/191 (2013.01); C10L 10/04 (2013.01); C10L 2200/0423 (2013.01); C10L 2230/22 (2013.01); C10L 2270/023 (2013.01);
Abstract
A gasoline fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and an alcohol or formula H—(OR)—OR, wherein R is an optionally substituted alkylene group; Ris hydrogen or an optionally substituted hydrocarbyl group, and n is 0 or a positive integer; wherein n is not O when Ris hydrogen.