Patent · US Expired

Polymerization catalyst, production and use

US4618596A · kind A · utility

8Cited by
6References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 1985
Grant dateOct 21, 1986
Priority date
Expiry dateJul 26, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S526/943
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Ethylene and alpha-olefins are homopolymerized or copolymerized with another olefin monomer in the presence of a catalyst system comprising an organo metal cocatalyst and a titanium-containing catalyst component, said titanium-containing catalyst component being obtained by reacting in the presence of a porous particulate material, a halogen, an organic magnesium compound, an oxygen-containing compound, titanium tetrachloride and treating the solids with an organometallic compound of a Group IIa, IIb or IIIa metal.

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