PATENT ASSIGNEE'S COUNTRY | Germany |
UPDATE | 08.00 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS |
Catalyst for halogen-F exchange reactions (HALEX) on aromatics, consisting of 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 straight-chain or branched 1-12C alkyl or alke nyl, 4-8C cycloalkyl, 7-12C aralkyl, or A-H are, independen tly of one another, identical or different & are in each case connected to one another either directly or via O or N-I to form a ring having 3-7 ring atoms, I is 1-4C alkyl & B- is a monovalent acid anion or the equivalent of a polyvalent acid anion - Plus at least one compd selected from: Quat. ammonium compd., Quat. phosphonium compd & Crown ether |
PATENT PHOTOCOPY | Available on request |
Want more information ? Interested in the hidden information ? Click here and do your request. |