Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Reexamination Certificate
2007-08-14
2007-08-14
Felton, Aileen (Department: 1755)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
C502S104000, C502S107000, C502S111000, C502S125000, C502S128000, C502S132000, C502S134000, C502S169000, C526S124300, C526S124500, C526S124700, C526S125800, C526S129000, C526S130000, C526S138000, C526S142000, C526S159000
Reexamination Certificate
active
10481217
ABSTRACT:
A process for producing a Gp 2/transition metal olefin polymerisation catalyst component, in which a Gp 2 complex is reacted with a transition metal compound so as to produce an oil-in-oil emulsion, the disperse phase containing the preponderance of the Gp 2 metal being selectively sorbed on a carrier to provide a catalyst component of excellent morphology. Polymerisation of olefins using a catalyst containing such a component is also disclosed.
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International Search Report for PCT/EP02/06717 mailed Oct. 25, 2002.
Denifl Peter
Leinonen Timo
Borealis Polymers Oy
Felton Aileen
McDonnell Boehnen & Hulbert & Berghoff LLP
McDonough J. Eric
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