Hydroconversion process for making lubricating oil basestockes
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United States of America Patent
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Dec 13, 2005
Grant Date -
Apr 11, 2002
app pub date -
Jun 26, 2001
filing date -
Dec 17, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone, and a lubricating oil basestock produced by said process.
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