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US 6,191,326 B1Granted
Process for preparing 1,1,1,2,3,3,3-heptafluoropropane
AssigneeDaikin Industries, Ltd.
InventorsTatsuya Otsuka, Hirokazu Aoyama
Life of this patent
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Abstract
This invention provides a process for preparing 1,1,1,2,3,3,3-heptafluoropropane, which comprises reacting 2-trifluoromethyl-3,3,3-trifluoropropionic acid with fluorine gas. The process according to this invention produces 1,1,1,2,3,3,3-heptafluoropropane with high selectivity and is an industrially efficient and economical method.
Claims8
A process for preparing 1,1,1,2,3,3,3-heptafluoropropane, which comprises reacting 2-trifluoromethyl-3,3,3-trifluoropropionic acid with fluorine gas.
Dependencies are inferred from the claim text.