US Patent 10457884 Mixed detergent composition for intake valve deposit control
Patent 10457884 was granted and assigned to Afton Chemical on October, 2019 by the United States Patent and Trademark Office.
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Patent abstract
A detergent additive package, fuel additive concentrate, fuel composition and method for operating an engine on an unleaded gasoline fuel. The additive package includes a Mannich base detergent mixture, wherein the mixture contains a first Mannich base detergent component derived from a di- or polyamine and a second Mannich base detergent component derived from a monoamine. A weight ratio of the first Mannich base detergent to the second Mannich base detergent in the mixture ranges from about 1:6 to about 3:1.
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Patent Inventor Names
Joseph M. Russo0
William Jay Colucci0
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US Patent 10457884 Mixed detergent composition for intake valve deposit control
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Is a
Current assignee
Patent jurisdiction
Patent number
10457884
Date of patent
October 29, 2019
Patent application number
15035372
Date Filed
November 6, 2014
Patent primary examiner
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