Catalyst compositions

C - Chemistry – Metallurgy – 08 – F

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C08F 4/60 (2006.01) C07F 17/00 (2006.01) C07F 17/02 (2006.01) C08F 10/00 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01)

Patent

CA 2168564

Catalyst compositions for the (co)oligomerisation or (co)polymerisation of olefinically unsaturated hydrocarbons, comprising a heterocyclopentadienyl of the general formula: C4AR4, wherein A is a Group 15 element and each R, which is connected to a carbon of the heterocyclopentadienyl ring, can be the same or different and is chosen from hydrogen or an organic substituent (optionally containing one or more heteroatoms), in complex with a Group 4 or 5 metal, and the process of (co)oligomerisation or (co)polymerisation olefinically unsaturated hydrocarbons in the presence of such catalyst compositions.

Compositions catalytiques destinées à la (co)oligomérisation ou à la (co)polymérisation des hydrocarbures oléfiniquement insaturés, comportant un hétérocyclopentadiényle répondant à la formule générale: C4AR4, dans laquelle A représente un élément du groupe 15 du tableau périodique et les R, dont chacun est relié à un carbone du cycle hétérocyclopentadiényle, sont identiques ou différents et représentent hydrogène ou un substituant organique (renfermant éventuellemnt un ou plusieurs hétéroatomes), et formant un complexe avec un métal des groupes 4 ou 5; et procédé de (co)oligomérisation ou de (co)polymérisation des hydrocarbures oléfiniquement insaturés, en présence de compositions catalytiques de ce type.

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