| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 08.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
A catalyst for halogen-fluorine exchange reactions (HALEX reactions) on aromatics, consisting of a mixt of - Amidophosphonium salt of formula [(AB)N][(CD)N][(EF)N][(GH)N]P cation . B anion; where A-H are independently of one another, identical or different & are each 1-12C straight-chain or branched alkyl or alkenyl, 4-8C cycloalkyl, 6-12C aryl, 7-12C aralkyl, or A-H are, inde pendently of one another, identical or different & are in each case connected to one another either directly or via O or N-R to form a ring having 3-7 ring atoms, R = 1-4C alkyl & B is a monovalent acid anion or the equiv. of polyvalent acid anion - Plus at least one compd selected from: Quat. ammonium compd.; Quat. phosphonium compd.; & Crown ether or polyether |
| PATENT PHOTOCOPY | Available on request |
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