Organic compounds -- part of the class 532-570 series – Organic compounds – Nitriles
Reexamination Certificate
2006-08-29
2006-08-29
Saeed, Kamal A. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitriles
C558S338000
Reexamination Certificate
active
07098358
ABSTRACT:
The invention concerns a method for hydrocyanation of ethylenically unsaturated organic compounds into compounds comprising at least a nitrile function. More particularly, it concerns a method for hydrocyanation of organic compounds comprising at least a ethylenical bond by reacting hydrogen cyanide, in the presence of a catalytic system comprising a transition metal and an organophosphorus ligand. The organophosphorus ligand is a compound with monophosphanorbornadiene structure. The invention concerns in particular hydrocyanation of butadiene into adiponitrile.
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patent: 2785611 (2000-12-01), None
patent: WO 00/39134 (2000-07-01), None
Burattin Paolo
Chamard Alex
Galland Jean-Christophe
Buchanan Ingersoll P.C.
Chung Susannah L.
Rhodia Polyamides Intermediates
Saeed Kamal A.
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