Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1992-11-06
1993-08-31
Schofer, Joseph L.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502103, 502117, 502120, 502152, 502155, 526129, C08F 402
Patent
active
052408957
ABSTRACT:
Disclosed is a catalyst system for the homopolymerization and copolymerization of alpha-olefins having 2-8 carbon atoms, said catalyst system comprising a dimeric or tetrameric cyclopentadienyl Group 6b metal compound in which the metal has an oxidation state of +2, said Group 6b metal compound being supported on an inorganic support. The catalyst system may also contain a Group 2 or Group 3 metal alkyl compound cocatalyst.
REFERENCES:
patent: 3849459 (1974-11-01), Maitlis et al.
patent: 4806513 (1989-02-01), McDaniel et al.
Angew. Chem. 1992, 31, No. 8 pp. 1077-1079.
Beach David L.
Carney Michael J.
Chevron Research and Technology Company
DeJonghe T. G.
Schofer Joseph L.
Sheridan R. J.
Wu David
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