Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1996-03-20
1998-10-06
Bell, Mark L.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502121, 502122, 502123, 502124, 502125, 502126, 502127, 502132, 526160, 526943, B01J 3100, B01J 3700, C08F 402, C08F 460
Patent
active
058175903
ABSTRACT:
A catalyst for olefin polymerization is provided which comprises, as the components, a) a metallocene compound, b) an ionizing ionic compound, c) an organoaluminum compound, and d) a Lewis base compound. This catalyst has a stable active species and improves productivity of an olefin polymer without deterioration of the catalytic activity the metallocene is represented by General Formula (1) or (2) where Cp-containing ligands may be Cp, fluorenyl, indenyl or tetrahydroindenyl and where the metal is a group 4 metal of the periodic table.
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patent: 5693836 (1997-12-01), Winter et al.
Hasegawa Saiki
Yano Akihiro
Yasuda Hisami
Bell Mark L.
Pasterczyk J.
Tosoh Corporation
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