B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 37/16 (2006.01) B01J 31/16 (2006.01) B01J 31/18 (2006.01) B01J 31/30 (2006.01) C01G 53/09 (2006.01) C07C 253/10 (2006.01) C07F 15/04 (2006.01)
Patent
CA 2468293
A process for preparing a hydrocyanation catalyst comprising contacting a bidentate phosphorous-containing ligand with a nickel chloride in the presence of a nitrile solvent and a reducing metal which is more electropositive than nickel. Preferably, the nickel chloride is dried before use.
La présente invention concerne un procédé permettant de préparer un catalyseur d'hydrocyanation, qui consiste à mettre en contact un ligand bidenté à teneur en phosphore avec un excès molaire de chlorure de nickel en présence d'un solvant nitrile et d'un métal réducteur présentant une électropositivité supérieure à celle du nickel. De préférence, le chlorure de nickel est séché avant d'être utilisé.
Chu Luis A.
Clarkson Lucy M.
Herron Norman
Mckinney Ronald J.
Moloy Kenneth G.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
Invista Technologies S.a.r.l.
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