Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1998-07-10
2000-03-07
Nazario-Gonzalez, Porfirio
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502117, 502158, 526127, 526160, 526943, 556 12, 556 13, 556 53, C07F 1700, C07F 700, B01J 3100, C08F 464
Patent
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.
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patent: 5495036 (1996-02-01), Wilson et al.
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patent: 5817849 (1998-10-01), Wilson et al.
Ernst Richard D.
Neithamer David R.
Nickias Peter N.
Wilson David R.
Nazario-Gonzalez Porfirio
The Dow Chemical Company
The University of Utah
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