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. 24, 2020
Filed:
Sep. 12, 2018
Applicant:
Exxonmobil Research and Engineering Company, Annandale, NJ (US);
Inventors:
David J. Abdallah, Moorestown, NJ (US);
Zsolt Lengyel, Newtown, PA (US);
Mike T. Noorman, Doylestown, PA (US);
Assignee:
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L 1/232 (2006.01); C10L 10/00 (2006.01);
U.S. Cl.
CPC ...
C10L 1/232 (2013.01); C10L 10/00 (2013.01); C10L 2200/043 (2013.01); C10L 2200/0423 (2013.01); C10L 2200/0446 (2013.01); C10L 2200/0469 (2013.01); C10L 2230/081 (2013.01); C10L 2270/023 (2013.01); C10L 2270/026 (2013.01); C10L 2270/04 (2013.01);
Abstract
High temperature antioxidant additives and methods that improve a liquid fuel composition's thermal oxidative stability are disclosed. A liquid fuel composition may comprise a liquid fuel; and a high temperature antioxidant additive comprising a nitroxide radical having a formula: wherein R, R, R, and Rare individually selected from an alkyl group or a hetero atom substituted alkyl group, and wherein Rand Rare any atom or group except hydrogen which can bond covalently to carbon.