C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 53/48 (2006.01) C07C 51/58 (2006.01) C07C 51/62 (2006.01)
Patent
CA 2153106
The invention relates to the preparation of trifluoro- acetyl fluoride by reacting trichloroacetyl chloride with anhydrous hydrogen fluoride in the gaseous phase on a catalyst which is obtainable by reacting a water-soluble chromium(III) salt with magnesium hydroxide or magnesium oxide in the presence of water, converting the reaction mixture into a paste, drying the paste and treating it with hydrogen fluoride.
Ebmeyer Frank
Metzenthin Tobias
Siegemund Gunter
Fetherstonhaugh & Co.
Solvay (societe Anonyme)
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