Debra L. Garrett - Cleveland OH, US Mitchell M. Jackson - Chagrin Falls OH, US
Assignee:
The Lubrizol Corporation - Wickliffe OH
International Classification:
C10L 1/22
US Classification:
44415
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.