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, 2020
Filed:
Jul. 28, 2016
Applicant:
Innospec Limited, Cheshire, GB;
Inventor:
Stephen Leonard Cook, Chester, GB;
Assignee:
Innospec Limited, Cheshire, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L 1/232 (2006.01); C10L 10/04 (2006.01); C10L 10/06 (2006.01); C10M 133/44 (2006.01); C10M 133/48 (2006.01); C07D 249/02 (2006.01); C10L 1/14 (2006.01); C07D 207/04 (2006.01); C07D 233/58 (2006.01); C10L 1/222 (2006.01); C10L 1/188 (2006.01); C10L 1/19 (2006.01); C10L 1/224 (2006.01); C10L 1/226 (2006.01); C10L 1/2383 (2006.01); C10L 1/233 (2006.01); C10L 1/238 (2006.01);
U.S. Cl.
CPC ...
C10L 1/232 (2013.01); C07D 207/04 (2013.01); C07D 233/58 (2013.01); C07D 249/02 (2013.01); C10L 1/14 (2013.01); C10L 10/04 (2013.01); C10L 10/06 (2013.01); C10M 133/44 (2013.01); C10M 133/48 (2013.01); C10L 1/188 (2013.01); C10L 1/1883 (2013.01); C10L 1/19 (2013.01); C10L 1/224 (2013.01); C10L 1/226 (2013.01); C10L 1/2222 (2013.01); C10L 1/2225 (2013.01); C10L 1/233 (2013.01); C10L 1/238 (2013.01); C10L 1/2383 (2013.01); C10L 2200/0423 (2013.01); C10L 2200/0446 (2013.01); C10L 2270/023 (2013.01); C10L 2270/026 (2013.01); C10M 2215/223 (2013.01); C10M 2215/224 (2013.01);
Abstract
Quaternary ammonium salts of formula: wherein each of Rand Ris independently selected from an optionally substituted alkyl, alkenyl or aryl group having less than 8 carbon atoms, R together with N forms an aliphatic or aromatic heterocycle having less than 12 carbons atoms and Ris hydrogen or an optionally substituted hydrocarbyl group. The use of these compounds as fuel or lubricant additives, especially as diesel fuel additives.