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:
May. 16, 2017
Filed:
Oct. 19, 2005
Applicants:
Debra L. Garrett, Cleveland, OH (US);
Mitchell M. Jackson, Chagrin Falls, OH (US);
Inventors:
Debra L. Garrett, Cleveland, OH (US);
Mitchell M. Jackson, Chagrin Falls, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L 1/238 (2006.01); C10L 1/14 (2006.01); C10L 10/06 (2006.01); C10L 1/16 (2006.01); C10L 1/183 (2006.01); C10L 1/188 (2006.01); C10L 1/198 (2006.01); C10L 1/2383 (2006.01); C10L 1/2387 (2006.01); C10L 1/30 (2006.01);
U.S. Cl.
CPC ...
C10L 1/238 (2013.01); C10L 1/143 (2013.01); C10L 10/06 (2013.01); C10L 1/1616 (2013.01); C10L 1/1832 (2013.01); C10L 1/1883 (2013.01); C10L 1/1985 (2013.01); C10L 1/2383 (2013.01); C10L 1/2387 (2013.01); C10L 1/305 (2013.01); C10L 1/306 (2013.01);
Abstract
A fuel additive composition comprises (a) a Mannich reaction product and (b) a polyetheramine where the weight ratio on an actives basis of component (a) to component (b) is 1:4-10. A fuel composition and a method for removing intake valve deposits and combustion chamber deposits in a spark-ignited internal combustion engine comprise the fuel additive composition which is very effective in removing the deposits.