Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Compound of indeterminate structure – prepared by reacting an...
Reexamination Certificate
2011-03-15
2011-03-15
McAvoy, Ellen M (Department: 1771)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Compound of indeterminate structure, prepared by reacting an...
C508S375000, C508S544000, C508S547000, C044S415000
Reexamination Certificate
active
07906470
ABSTRACT:
A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) Mannich reaction product having a tertiary amino group, said Mannich reaction product being prepared from the reaction of a hydrocarbyl-substituted phenol, an aldehyde, and amine; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.
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Corresponding International Publication No. 2008/027881 A3 published May 29, 2008.
Stevenson Paul R.
Thetford Dean
Vilardo Jonathan S.
Hilker Christopher D.
McAvoy Ellen M
Oladapo Taiwo
Shold David M.
The Lubrizol Corporation
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