Process for purifying a fluorine compound
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United States of America Patent
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Jul 31, 2012
Grant Date -
Apr 22, 2010
app pub date -
Aug 29, 2008
filing date -
Aug 31, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided is a process for purifying a fluorine compound capable of yielding a highly pure fluorine compound by removing at least oxygen from a fluorine compound containing an oxygen compound as an impurity. In a process according to the present invention for purifying a fluorine compound, the following is brought into contact with the fluorine compound, which contains an oxygen compound as an impurity, thereby removing at least oxygen: carbonyl fluoride in an amount of a 0.1-fold equivalent or more and a 100-fold equivalent or less of oxygen atoms in the fluorine compound.
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