Ethylene polymerization catalyst and a process for its preparati

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing

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502154, 526124, 526125, C08F 464

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active

044204175

ABSTRACT:
An ethylene polymerization catalyst having the general formula M.sub.n Mg(OR).sub.2+4n-m X.sub.m, wherein R is an alkyl radical containing from 1 to 4 carbon atoms, M is a transition metal of groups IVa to VIa of the Periodic Table, X is a halogen, 0.05.ltoreq.n.ltoreq.0.6 and 0<m<n+1.

REFERENCES:
patent: 3094568 (1963-06-01), Hay et al.
patent: 4115319 (1978-09-01), Scata et al.
patent: 4218339 (1980-08-01), Zucchini et al.
patent: 4311612 (1982-01-01), Boone et al.

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