Process for production of 1,2,2,2-tetrafluoroethyl difluoromethyl ether
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United States of America Patent
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Jun 25, 1991
Issued Date -
N/A
app pub date -
Jan 4, 1990
filing date -
Mar 14, 1989
priority date (Note) -
Expired
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Abstract
A process is provided for the low temperature preparation of CF.sub.3 CHFOCHF.sub.2 which comprises reacting CF.sub.3 CHClOCHF.sub.2 with hydrogen fluoride in the presence of an antimony pentachloride catalyst or mixture of antimony pentachloride and antimony trichloride.
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