The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 1990
Filed:
Sep. 27, 1989
Applicant:
Inventors:
Enrico Albizzati, Arona, IT;
Pier C Barbe, Ferrara, IT;
Luciano Noristi, Ferrara, IT;
Raimondo Scordamaglia, Milan, IT;
Luisa Barino, Novara, IT;
Umberto Giannini, Milan, IT;
Giampiero Morini, Voghera, IT;
Assignee:
Himont Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
502126 ; 502123 ; 502134 ; 526125 ;
Abstract
Solid catalyst components for the polymerization of olefins and modified with electron-donor compounds, comprising a titanium halide supported on a magnesium dihalide in active form and containing as an electron-donor compound a di- or other polyether having specific reactivity characteristics towards MgCl.sub.2 and TiCl.sub.4.