Spray-dried polymerization catalyst and polymerization...

Details Spray-dried polymerization catalyst and polymerization... Spray-dried polymerization catalyst and polymerization...

2007-01-09

2007-01-09

Choi, Ling-Sui (Department: 1713)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

C502S103000, C502S104000, C502S087000, C502S121000, C502S122000, C502S125000, C526S348000, C526S123100, C526S138000, C526S129000, C526S145000, C526S158000, C526S124300

Reexamination Certificate

active

10889813

ABSTRACT:
A spray-dried composition comprising the reaction product of a magnesium halide, a solvent, an electron donor compound, and a transition metal compound and an inert filler comprising substantially spherical particles having an average particle size ranging from about 1 μm to about 12 μm, and a polymerization process using the same.

REFERENCES:
patent: 4728705 (1988-03-01), Nestlerode et al.
patent: 5290745 (1994-03-01), Jorgensen et al.

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