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:
Apr. 29, 2025
Filed:
Aug. 27, 2020
Applicant:
Basell Poliolefine Italia S.r.l., Milan, IT;
Inventors:
Fabrizio Piemontesi, Ferrara, IT;
Alessandro Mignogna, Ferrara, IT;
Dario Liguori, Ferrara, IT;
Giampiero Morini, Ferrara, IT;
Tiziano Dall'Occo, Ferrara, IT;
Gianni Vitale, Ferrara, IT;
Assignee:
Basell Poliolefine Italia S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/76 (2005.12); C08F 4/654 (2005.12); C08F 10/06 (2005.12);
U.S. Cl.
CPC ...
C08F 4/6543 (2012.12); C08F 4/76 (2012.12); C08F 10/06 (2012.12); C08F 2500/12 (2012.12); C08F 2500/15 (2012.12); C08F 2500/17 (2012.12); C08F 2500/27 (2020.12); C08F 2500/30 (2020.12); C08F 2500/31 (2020.12); C08F 2500/35 (2020.12);
Abstract
A solid catalyst component for the polymerization of olefins made from or containing a magnesium halide, a titanium compound having at least a Ti-halogen bond, a first electron donor compound selected from 1,3 diethers (DE), and a second electron donor compound selected from dicarbamates (DC), wherein the first and second electron donor compounds are present in a molar ratio DE:DC ranging from 4.5:1 to 20:1.