Hafnium complexes of heterocyclic organic ligands

C - Chemistry – Metallurgy – 08 – F

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C08F 4/645 (2006.01) C07D 233/54 (2006.01)

Patent

CA 2651314

Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed.

La présente invention concerne des complexes d'hafnium et de ligands organiques hétérocycliques ayant une meilleure solubilité dans des solvants hydrocarbonés aliphatiques et leur utilisation en tant que composants de catalyseurs de polymérisation d'oléfine ainsi que de nouvelles synthèses d'un fragment des composants.

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