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. 24, 2026
Filed:
Jul. 23, 2021
Borealis Ag, Vienna, AT;
Georgy Kipiani, Kulloo, FI;
Marja Mustonen, Kulloo, FI;
Pascal Castro, Kulloo, FI;
Kalle Kallio, Kulloo, FI;
Irfan Saeed, Kulloo, FI;
Jyrki Kauhanen, Kulloo, FI;
Tiina Hämäläinen, Kulloo, FI;
Esko Saikkonen, Kulloo, FI;
Jarkko Hassinen, Kulloo, FI;
Joana Elvira Kettner, Linz, AT;
Matthias Hoff, Linz, AT;
Alexander Z. Voskoboynikov, Moscow, RU;
Vyatcheslav V. Izmer, Moscow, RU;
Dmitry S. Kononovich, Moscow, RU;
BOREALIS AG, Vienna, AT;
Abstract
A racemic metallocene complex of formula (I') wherein each X is a sigma donor ligand; L is a carbon, silicon or germanium based divalent bridge in which one or two backbone atoms link the ligands; M is Ti, Zr or Hf; each Het is independently a monocyclic or multicyclic heteroaromatic or heterocyclic group containing at least one heteroatom selected from O, N or S; each Ris the same or different and is a linear Calkyl group, or linear Calkoxy, each n is 0 to 3; each Ris the same or different and is a —Si(RaRbRc) group; Ra is Calkyl or phenyl group optionally substituted by 1 to 3 Calkyl groups; Rb is Calkyl or phenyl group optionally substituted by 1 to 3 Calkyl groups; Rc is a phenyl group optionally substituted by 1 to 3 Calkyl groups; and each p is 1 to 3.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile