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:
Dec. 07, 2021
Filed:
Mar. 28, 2018
Borealis Ag, Vienna, AT;
Anna Fait, Linz, AT;
Noureddine Ajellal, Porvoo, FI;
Luigi Maria Cristoforo Resconi, Linz, AT;
Vyatcheslav V. Izmer, Moscow, RU;
Dmitry S. Kononovich, Moscow, RU;
Oleg Samsonov, Moscow, RU;
Alexander Z. Voskoboynikov, Moscow, RU;
Rafael Sablong, Eindhoven, NL;
Timo Sciarone, Eindoven, NL;
BOREALIS AG, Vienna, AT;
Abstract
Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I), (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R, R, Rare the same or different from each other and can be hydrogen or a saturated linear or branched C-Calkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or Rand Ror Rand Rcan form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, Rand Rare the same or different from each other and can be saturated linear or branched C-Calkyl, C-Caryl, C-Calkylaryl or C-Carylalkyl groups, which can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, n can be 1 to 5, Ar is a C-C-aryl or -heteroarylgroup, which can be unsubstituted or substituted by 1 to 5 linear or branched C-Calkyl group(s), and (ii) a boron containing cocatalyst.