Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...
Reexamination Certificate
2007-07-03
2007-07-03
Jagannathan, Vasu (Department: 1714)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Heterocyclic ring compound; a heterocyclic ring is one...
C508S506000, C044S331000
Reexamination Certificate
active
10482942
ABSTRACT:
A composition of matter comprising an amine acylated with a hydrocarbyl group substituted carboxylic acylating agent containing an average of from 1.3 to 1.6 groups derived from α,β-unsaturated carboxylic compounds perMnof the hydrocarbyl group, wherein the hydrocarbyl group hasMndetermined by GPC ranging from 1500 to 3000, the amine comprises polyamine bottoms and said acylated amine has total base number (TBN) ranging from 17 to 35. A method for preparing the composition, lubricating oils containing the composition and, in another embodiment, lubricating oil compositions of this invention further comprising a metal overbased sulfonate detergent.
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Calder Raymond M.
Dietz Jeffry G.
Dohner Brent R.
Goodlive Steven A.
Kotzen Wolfie
Esposito Michael F.
Goloboy James
Jagannathan Vasu
Shold David M.
The Lubrizol Corporation
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