Linear compounds containing phenolic and salicylic units
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United States of America Patent
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Nov 25, 2008
Grant Date -
Sep 23, 2004
app pub date -
Aug 21, 2002
filing date -
Aug 24, 2001
priority date (Note) -
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Abstract
A linear compound and a metal salt or boron-containing metal salt thereof contains one or more carboxyl-containing phenol units or derivatives thereof and one or more on average at least C.sub.18 hydrocarbyl-substituted hydroxyaromatic units or derivatives thereof connected by one or more divalent bridging groups. A concentrate contains the linear compound or metal salt thereof and an organic diluent. A lubricating oil composition contains a minor amount of the linear compound or metal salt thereof and a major amount of a lubricating oil. Additional embodiments of the invention are processes to make the linear compound and the metal salt thereof.
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