Basic ashless additives
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United States of America Patent
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Oct 10, 2017
Grant Date -
Oct 15, 2015
app pub date -
Oct 28, 2013
filing date -
Nov 7, 2012
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Abstract
A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted γ-aminoester or γ-aminothioester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides exhibits basicity and good seal performance.
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