Method of removing water from hydrofluorocarbon manufacturing processes
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United States of America Patent
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Aug 9, 2005
Grant Date -
May 12, 2005
app pub date -
Nov 12, 2003
filing date -
Nov 12, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed are improved fluorination processes and fluorine-containing compositions which involve introducing to one or more fluorination process compositions a water reactive agent in an amount and under conditions effective to decrease the amount of water in that composition. The water reactive agent is preferably introduced to the fluorination reaction process at a location proximate to the site of the fluorination reaction, or upstream of the fluorination reaction, in amounts and under conditions effective to produce a relatively lower concentration of water in the composition, and preferably throughout the fluorination process.
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