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:
Sep. 26, 2006
Filed:
Sep. 14, 2001
Dennis J. Malfer, Glen Allen, VA (US);
Scott D. Schwab, Richmond, VA (US);
Timothy J. Henly, Maidens, VA (US);
Dennis J. Malfer, Glen Allen, VA (US);
Scott D. Schwab, Richmond, VA (US);
Timothy J. Henly, Maidens, VA (US);
Afton Chemical Intangibles LLC, Richmond, VA (US);
Abstract
Injector deposits in a direct injection gasoline engine are reduced by providing as fuel for the operation of said direct injection engine a fuel composition comprising a fuel-soluble compound having the formula (I): wherein Rand Rare independently Calkyl, Ris a radical of the formula CHwherein m is an integer of 2 to 6, Rand Rare each independently (i) hydrogen (ii) Calkyl, wherein Ris selected from the group consisting of hydrogen and Calkyls and Ris selected from the group consisting of hydrogen and Calkyl, (iv) wherein Ris a saturated or unsaturated, linear, branched or cyclic, Chydrocarbyl group or (v) wherein Rand Rtogether with the nitrogen atom to which they are bonded, form a cyclic ring in which further hetero atoms.