Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1988-07-11
1989-09-26
Garvin, Patrick P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502125, 502127, 502128, 502134, C08F 464
Patent
active
048700398
ABSTRACT:
A process for polymerizing alpha olefins with a polymerization catalyst containing a solid catalyst component which is prepared by mixing two or more alkyl or aryl magnesium compounds with an aldehyde or a ketone in the presence of a solvent, adding a tetravalent titanium halide to the solution, recovering the resulting precipitate, and contacting the precipitate with a tetravalent titanium halide.
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Garvin Patrick P.
Shell Oil Company
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