Catalyst compositions

Details Catalyst compositions Catalyst compositions

C - Chemistry, Metallurgy

08

F

C08F 4/70 (2006.01) C08G 67/02 (2006.01)

Patent

CA 2055752

T1584 A B S T R A C T CATALYST COMPOSITIONS Novel catalyst compositions which contain a Group VIII metal and a phosphorus bidentate ligand with the general formula (R2)(R4)P-R3-P(R2)(R4) in which R2 and R4 are identical or different optionally polar substituted monovalent aliphatic hydrocarbyl groups and in which R3 is a divalent organic bridging group which in the bridge connecting the two phosphorus atoms contains four atoms, of which at least two are carbon atoms and among which no two atoms are present which together form part of a single cyclic structure. They are particularly suited to the preparation of polymers of carbon monoxide and C3+ .alpha.-olefins. VM2/T1584FF

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