C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/30 (2006.01) B01J 31/02 (2006.01) C07C 211/62 (2006.01) C07C 211/63 (2006.01) C07D 233/54 (2006.01) C07D 233/58 (2006.01) C07D 521/00 (2006.01) C07F 9/54 (2006.01)
Patent
CA 2482656
The invention relates to a method for producing bis(perfluoroalkyl)phosphinic acids, according to which at least one difluorotris(perfluoroalkyl)phosphorane or at least one trifluorobis(perfluoroalkyl)phosphorane is reacted with hydrogen fluoride in a suitable reaction medium and the obtained reaction mixture is heated. The invention also relates to salts of the bis(perfluoroalkyl)phosphinic acids and the use thereof.
La présente invention concerne un procédé de production d'acides bis(perfluoro-akly)phosphiniques. Ce procédé consiste au moins à faire réagir au moins un difluorotris(perfluoro-alkyl)phosphorane ou au moins un trifluorobis(perfluoro-alkyl)phosphorane avec du fluorure d'hydrogène dans un milieu réactif approprié et à chauffer le mélange réactionnel ainsi obtenu. L'invention concerne également les sels des acides bis(perfluoro-aklyl)phosphiniques et leur utilisation.
Heider Udo
Ignatyev Nikolai
Kucheryna Andriy
Sartori Peter
Weiden Michael
Fetherstonhaugh & Co.
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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