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. 24, 2025
Filed:
Apr. 21, 2022
Shell Usa, Inc., Houston, TX (US);
Tushar Kanti Bera, Houston, TX (US);
Kimberly Ann Johnson, Houston, TX (US);
Allen Ambwere Aradi, Houston, TX (US);
SHELL USA INC., Houston, TX (US);
Abstract
Fuel composition comprising: (a) a base fuel suitable for use in an internal combustion engine; (b) a tetraalkylethane compound having the formula (I): wherein Ar represents an aryl group and each X is independently selected from a hydrogen atom, substituted or unsubstituted, straight chain or branched C-Calkyl group, (CH)OH or (CH)NH, wherein n is in the range of 1 to 9, provided that at least one of the X groups in each CXgroup is a hydrogen atom. The fuel composition of the present invention provides improved power and acceleration benefits, as well as increased flame speed and burn duration.