Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1997-05-22
2000-10-24
Wu, David W.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
526161, 526165, 526160, 526127, 526351, 526943, 502152, 502155, B01J 3114, B01J 3118
Patent
active
061367427
ABSTRACT:
This invention relates to metallocene catalyst systems and to methods for their production and use. Specifically, this invention relates to catalyst promoters which increase the activity of the metallocene catalyst systems. The promoters can be, for example, styrene or substituted styrene in one embodiment. The metallocene catalyst systems can be used, for example, to make olefins. The catalyst systems of this invention can be supported.
REFERENCES:
patent: 5346925 (1994-09-01), Sugano et al.
patent: 5444134 (1995-08-01), Matsumoto
patent: 5554704 (1996-09-01), Burkhardt et al.
Exxon Chemical Patents Inc.
Lu Caixia
Reidy Joseph F.
Schmidt C. Paige
Wu David W.
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