Catalyst compositions

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B - Operations, Transporting

01

J

252/63.D, 402/7.

B01J 23/00 (2006.01) B01J 23/38 (2006.01) B01J 23/74 (2006.01) B01J 31/18 (2006.01) C08F 4/26 (2006.01) C08G 67/02 (2006.01) C08G 83/00 (2006.01)

Patent

CA 2002748

T 1308 A B S T R A C T CATALYST COMPOSITIONS Catalyst compositions comprising a Group VIII metal and a compound of the general formula Image wherein X1 and x2 are the same or different elements chosen from sulphur and selenium, Y is a bivalent bridging group containing at least one carbon or nitrogen atom in the bridge, and R1, R2, R3 and R4 are the same or different, optionally polar substituted, hydrocarbyl groups, are useful for the preparation of copolymers of carbon monoxide and one or more olefinically unsaturated compounds. CS3/T1308FF

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