Metal complexes containing bridged, non-aromatic, anionic, dieny

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

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502117, 502158, 526127, 526160, 526943, 556 12, 556 13, 556 53, C07F 1700, C07F 700, B01J 3100, C08F 464

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active

060340215

ABSTRACT:
Catalytic derivatives of novel Group 4 metal complexes wherein the metal is in the +2, +3, or +4 formal oxidation state containing two ligand groups bound by .pi.-electrons, at least one of which is a cyclic or noncyclic, non-aromatic, anionic, dienyl ligand group and having a bridged ligand structure, and the use thereof as catalysts for polymerizing addition polymerizable monomers are disclosed.

REFERENCES:
patent: 5055438 (1991-10-01), Canich
patent: 5057475 (1991-10-01), Canich et al.
patent: 5098867 (1992-03-01), Canich
patent: 5132380 (1992-07-01), Stevens et al.
patent: 5495036 (1996-02-01), Wilson et al.
patent: 5541349 (1996-07-01), Wilson et al.
patent: 5817849 (1998-10-01), Wilson et al.

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