Patent · US Expired

Catalyst support for polymerization of olefins, process for manufacturing the same, and catalyst obtained from this support

US5188999A · kind A · utility

11Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 1990
Grant dateFeb 23, 1993
Priority date
Expiry dateNov 14, 2010

Classification

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

Abstract

A catalyst support in the form of solid particles consisting essentially of a complex of MgCl.sub.2 and alcohol of the formula MgCl.sub.2, x(n-BuOH) in which 0.1.ltoreq.x.ltoreq.2, and which has a specific surface of 1 to 20 m.sup.2 /g and a particle porosity of 1 to 2 cm.sup.3 /g, and the process of making such support, and catalytic components comprising such support, a transition metal, and optionally, an electron donor.

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