LUBRICATING COMPOSITIONS BASED ON PERFLUOROPOLYETHERS
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United States of America Patent
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Issued Date -
Sep 2, 2010
app pub date -
Jan 11, 2007
filing date -
Jan 17, 2006
priority date (Note) -
Abandoned
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Abstract
Use as additive to stabilize perfluoropolyether lubricant oils at high temperatures, preferably higher than 200° C., of a solid polymer at room temperature, having a softening or a melting point higher than 150° C., preferably higher than 200° C., and containing in the repeating unit at least one aromatic ring; preferably in the backbone, and lubricating compositions containing said additive.
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