Functional fluid lubricant using low Noack volatility base stock fluids
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United States of America Patent
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Mar 22, 2005
Grant Date -
Feb 19, 2004
app pub date -
Aug 16, 2002
filing date -
Aug 16, 2002
priority date (Note) -
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Abstract
The present invention relates to a fully formulated lubicants comprising poly .alpha.-olefins (PAOs), prepared from a mixed .alpha.-olefin feed, which exhibit superior Noack volatility at low pour points, and methods for preparing the fully formulated lubricants. The fully formulated lubricants include PAOs that include mixtures of 1-decene and 1-dodecene. The PAOs may be prepared by polymerization/oligomerization using an alcohol promoted BF.sub.3 in conjunction with a combination of co-catalysts.
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