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:
Feb. 11, 2020
Filed:
Nov. 02, 2017
Applicant:
Basell Poliolefine Italia S.r.l., Milan, IT;
Inventors:
Pietro Baita, Ferrara, IT;
Massimo Covezzi, Ferrara, IT;
Maria Di Diego, Ferrara, IT;
Lorella Marturano, Ferrara, IT;
Antonio Mazzucco, Ferrara, IT;
Gabriele Mei, Ferrara, IT;
Roberta Pica, Ferrara, IT;
Assignee:
Basell Poliolefine Italia S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/02 (2006.01); C08F 210/02 (2006.01); C08F 2/34 (2006.01); C08F 10/02 (2006.01);
U.S. Cl.
CPC ...
C08F 10/02 (2013.01); C08F 110/02 (2013.01); C08F 2400/02 (2013.01);
Abstract
A gas-phase process for the homopolymerization or copolymerization of olefins carried out in the presence of a catalyst system formed by a contacting, in a liquid hydrocarbon and in the presence of hydrogen, (a) a solid catalyst component comprising Ti, Mg, and Cl, and optionally an internal electron donor compound, (b) an aluminum alkyl compound and optionally (c) an external donor compound.