C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 17/20 (2006.01) C07C 19/08 (2006.01)
Patent
CA 2179536
L'invention concerne la fabrication du difluorométhane par fluoration catalytique en phase gazeuse du chlorure de méthylène. On opère en présence d'oxygène, à une température comprise entre 330 et 450°C, et avec un catalyseur au chrome massique ou supporté.
Lacroix Eric
Lantz Andre
Requieme Benoit
Elf Atochem S.a.
Robic
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