C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/657.2
C07C 17/20 (2006.01) C07C 17/08 (2006.01) C07C 17/21 (2006.01) C07C 21/18 (2006.01)
Patent
CA 1321798
Preparation of polyfluorobutenes A b s t r a c t 1,1,1,2,4,4,4-Heptafluoro-2-butene and 2-chloro- 1,1,1,4,4,4-hexafluoro-2-butene are prepared simultaneously by reacting hexachlorobutadiene with hydrogen fluoride with the addition of catalytic amounts of titanium halide, anti- mony trihalide and/or antimony pentahalide. Le A 24 249
573265
Bielefeldt Dietmar
Marhold Albrecht
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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