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. 15, 2022
Filed:
Nov. 22, 2019
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Alastair Graham Smith, London, GB;
Claire Griffiths, E15 5NR, GB;
Mark Clift Southby, London, GB;
Tushar Bera, Houston, TX (US);
Assignee:
SHELL USA, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L 1/238 (2006.01); C10L 1/236 (2006.01);
U.S. Cl.
CPC ...
C10L 1/236 (2013.01); C10L 2200/0446 (2013.01); C10L 2230/22 (2013.01); C10L 2270/026 (2013.01);
Abstract
A fuel composition comprising a base fuel and at least one viscosity index (VI) improving additive, wherein the viscosity index (VI) improving additive is a functionalized dispersant olefin copolymer. The viscosity index (VI) improving additive provides improved power output and/or acceleration characteristics.