Transition metal-magnesium catalyst precursors for the polymeriz

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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Details

502113, 502118, 526116, 526904, 5261243, C08F 464, B01J 3100

Patent

active

059688629

ABSTRACT:
Disclosed is a catalyst precursor, useful to make catalysts useful in the polymerization of olefins, comprising the product obtained by adding a preformed magnesium source to a solution comprising a solvent having dissolved therein a transition metal compound and an alkyl halide.

REFERENCES:
patent: 3801558 (1974-04-01), Fletcher et al.
patent: 3878124 (1975-04-01), Durand et al.
patent: 4004071 (1977-01-01), Aishima et al.
patent: 5077358 (1991-12-01), Durand et al.

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