Selective hydrogenolysis of perhalogenated ethane derivatives
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United States of America Patent
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Jun 23, 1992
Grant Date -
N/A
app pub date -
Dec 14, 1990
filing date -
Dec 15, 1989
priority date (Note) -
Expired
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Abstract
The invention relates to the manufacture of chlorofluoroethanes of formula CF.sub.3 --CHF.sub.x Cl.sub.2-x, where x is equal to 0 or 1, by catalytic hydrogenation of a perhaloethane of formula CF.sub.3 --CF.sub.x Cl.sub.3-x. The use of an iridium-based catalyst deposited on a support enables the selectivity to be improved.
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