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:
Mar. 12, 2024
Filed:
Sep. 17, 2019
Applicant:
Basell Poliolefine Italia S.r.l., Milan, IT;
Inventor:
Diego Brita, Ferrara, IT;
Assignee:
Basell Poliolefine Italia S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/02 (2006.01); B01J 27/138 (2006.01); B01J 35/02 (2006.01); C08F 4/654 (2006.01); C08F 10/00 (2006.01);
U.S. Cl.
CPC ...
C08F 4/022 (2013.01); C08F 4/02 (2013.01); C08F 4/6545 (2013.01); C08F 10/00 (2013.01); B01J 27/138 (2013.01); B01J 35/023 (2013.01); C08F 2410/06 (2021.01);
Abstract
A Ziegler-Natta catalyst component precursor made from or containing a mechanical mixture of (a) distinct particles of adducts of formula MgCl(ROH)where R is a C-Calkyl group and n is from 0.2 to 6 having average particle size (P50a) ranging from 5 to 100 μm; and (b) from 0.2 to 5.0% by weight of distinct particles of a solid compound containing more than 50% by weight of Sift units and having average particle size (P50b), wherein the ratio P50b/P50a ranges from 0.4 to 1.5.