Aqueous functional fluids with antioxidants
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United States of America Patent
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Dec 11, 2012
Grant Date -
Aug 26, 2010
app pub date -
May 3, 2010
filing date -
Nov 21, 2001
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Abstract
The present invention relates to an aqueous functional fluid comprising an antioxidant of the hindered phenol type and a water-soluble polyalkylene glycol. The aqueous functional fluids are especially suitable for use as hydraulic or metal working fluids. The present invention also relates to the use of the aqueous functional fluid for improving the performance properties of hydraulic or metal working fluids.
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