Catalyst prepared from organomagnesium compound, carbon dioxide

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

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502117, 502120, 526138, C08F 464

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active

045309159

ABSTRACT:
A catalyst for polymerizing olefins is the product resulting from heating in an inert hydrocarbon diluent a mixture of (A) an organomagnesium material, (B) essentially anhydrous carbon dioxide, (C) a reducing halide source and (D) a transition metal compound.

REFERENCES:
patent: 4172050 (1979-10-01), Gessell
patent: 4199473 (1980-04-01), Timms
patent: 4244838 (1981-01-01), Gessell
patent: 4246383 (1981-01-01), Gessell
patent: 4251389 (1981-02-01), Gilbert et al.
patent: 4282341 (1981-08-01), Klaerner et al.

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