Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1991-05-06
1998-12-08
Wood, Elizabeth D.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502103, 502112, B01J 3100
Patent
active
058468960
ABSTRACT:
A catalyst system for polymerization of olefins having increased molecular weight and melting point is disclosed. A chiral, stereorigid metallocene compound having a silicon hydrocarbyl compound as an interannular bridge between two cyclopentadienyl or substituted cyclopentadienyl rings described by the formula (C.sub.5 R'.sub.m) wherein R' is hydrogen or hydrocarbyl radical having from 1-20 carbon atoms, each R' being the same or different, is combined with an organoaluminum compound. The cyclopentadienyl ligands are coordinated with a metal of a group 4b, 5b, or 6b metal as designated in the Periodic Table of Elements. The metal is also bonded to a hydrocarbon radical or a halogen.
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Cheairs M. Norwood
Fina Technology, Inc.
Jackson William D.
Wheelington Jim
Wood Elizabeth D.
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