Patent · US Expired

Catalyst component for polymerization of olefins

US4552858A · kind A · utility

11Cited by
14References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1984
Grant dateNov 12, 1985
Priority date
Expiry dateAug 20, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F10/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A titanium halide containing catalyst component for polymerization of olefins which is prepared by reacting a magnesium hydrocarbyloxide with a silicon compound having at least one hydrogen-silicon bond, contacting the reaction product with an electron donor compound, contacting the resulting contact product two or more times with a titanium halide and between one of the multiple titanium halide contacts, contacting the titanium halide contacted solid with a halide of an element selected from the group consisting of elements of Groups IIIa, IVa, and Va of the Periodic Table of elements.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.