Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1994-07-07
1995-11-21
Delmendo, Romulo H.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502111, 502407, 502414, 502439, 526129, 526160, C08F 402, C08F 4648
Patent
active
054687020
ABSTRACT:
This invention is generally directed toward a catalyst system useful for polymerizing olefins. The method for preparing the catalyst of the invention provides for combining a bulky ligand transition metal catalyst with an activator that has been aged, optionally with a support. The catalyst system is useful in any polymerization process.
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Boor, Jr., John, Ziegler-Natta Catalysts and Polymerizations, Academic Press, New York, 1979, pp. 602-609.
C&EN, "Zirconinm Catalysts Polymerize Olefins Faster," Dermot O'Sullivan, 1983, pp. 29, 30.
Delmendo Romulo H.
Exxon Chemical Patents Inc.
Schmidt C. Paige
Sher Jaimes
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