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. 25, 2025
Filed:
May. 20, 2020
Applicant:
Borealis Ag, Vienna, AT;
Inventors:
Luigi Maria Cristoforo Resconi, Linz, AT;
Alexander Reznichenko, Porvoo, FI;
Ville Virkkunen, Porvoo, FI;
Assignee:
BOREALIS AG, Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/659 (2006.01); C07F 17/00 (2006.01); C08F 4/649 (2006.01); C08F 4/6592 (2006.01); C08F 10/06 (2006.01); C08F 110/06 (2006.01); C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
C07F 17/00 (2013.01); C08F 4/6492 (2013.01); C08F 4/65908 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 4/65927 (2013.01); C08F 10/06 (2013.01); C08F 110/06 (2013.01); C08F 2420/00 (2013.01); C08F 2420/08 (2021.01); C08F 2500/12 (2013.01); C08F 2500/17 (2013.01); C08F 2500/34 (2021.01); C08F 2500/35 (2021.01); C08F 2800/10 (2013.01);
Abstract
Improved preparation process for supported catalyst systems, which comprise a specific class of metallocene complexes in combination with a boron containing cocatalyst and an aluminoxane cocatalyst and use of the new, improved catalyst system.