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. 20, 2024
Filed:
May. 14, 2021
Applicant:
Borealis Ag, Vienna, AT;
Inventors:
Jingbo Wang, Linz, AT;
Markus Gahleitner, Linz, AT;
Klaus Bernreitner, Linz, AT;
Pauli Leskinen, Porvoo, FI;
Peter Niedersuess, Linz, AT;
Stefan Ortner, Linz, AT;
Assignee:
BOREALIS AG, Vienna, AT;
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B29C 48/00 (2019.01); C08L 23/12 (2006.01); C08L 23/16 (2006.01); B32B 27/08 (2006.01); B29K 23/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/327 (2013.01); B29C 48/0018 (2019.02); B32B 27/08 (2013.01); C08L 23/12 (2013.01); C08L 23/16 (2013.01); B29C 48/022 (2019.02); B29K 2023/12 (2013.01); B29K 2023/16 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/242 (2013.01); B32B 2270/00 (2013.01); B32B 2307/54 (2013.01); B32B 2307/558 (2013.01); B32B 2307/5825 (2013.01); B32B 2307/7376 (2023.05); B32B 2323/10 (2013.01); B32B 2439/06 (2013.01); B32B 2439/46 (2013.01); C08L 2203/16 (2013.01); C08L 2205/025 (2013.01); C08L 2205/22 (2013.01); C08L 2205/24 (2013.01); C08L 2207/02 (2013.01); C08L 2314/02 (2013.01); C08L 2314/06 (2013.01);
Abstract
The present invention relates to a multilayer blown film including at least one skin layer (A) including a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) including a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) including either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).