Method of manufacture of a hydrofluoroalkane
AssigneeSolvay SA
InventorsFrancine Janssens, Veronique Mathieu
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Abstract
Method of manufacture of a hydrofluoroalkane comprising the use of a Lewis base as stabilizer of the hydrofluoroalkane. No drawings.
Claims21
Method of reducing the dehydrofluorination of hydrofluoroalkane during the manufacture of the hydrofluoralkane which comprises adding a Lewis base as stabilizer to the hydrofluoroalkane in which from 1 to 10 000 mg of Lewis base is used per kg of hydrofluoroalkane in which the Lewis base is employed during purification of the hydrofluoroalkane and wherein said Lewis Base comprises an alcohol, amide, nitrile or phosphorus-containing compound and the hydrofluoroalkane contains at least one Lewis Acid.
Stabilized hydrofluoroalkane containing from 1 to 500 mg/kg of a Lewis base and a Lewis acid wherein said Lewis Base comprises amide, nitrile, phosphorus-containing compound or an alcohol.
Stabilized hydrofluoroalkane containing from 1 to 10,000 mg/kg of isopropanol and a Lewis acid.
The hydrofluoralkane as claimed in 19, containing from 1 to 500 mg/kg of the Lewis base.
Stabilized hydrofluoroalkane containing from 1 to 10,000 mg/kg of a stabilizer wherein the stabilizer consists of an amide, a nitrile or a phosphorus-containing compound.
Dependencies are inferred from the claim text.