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. 26, 2019
Filed:
Apr. 16, 2014
Applicant:
Borealis Ag, Vienna, AT;
Inventors:
Joachim Fiebig, St. Marien, AT;
Kristin Reichelt, Neuhofen/Krems, AT;
Assignee:
Borealis AG, Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 27/06 (2006.01); B32B 15/08 (2006.01); B32B 27/30 (2006.01); B32B 15/085 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 15/08 (2013.01); B32B 27/06 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/327 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B32B 15/085 (2013.01); B32B 2270/00 (2013.01); B32B 2307/31 (2013.01); B32B 2307/518 (2013.01); B32B 2307/558 (2013.01); B32B 2307/5825 (2013.01); B32B 2439/70 (2013.01);
Abstract
The present invention relates to a multi-layered polymer film, comprising a sealing layer and a base layer, wherein the sealing layer comprises a polypropylene (SL-PP), and wherein the sealing layer polypropylene SL-PP comprises comonomer units derived from ethylene in an amount of from 0.5 wt % to 25 wt % and from at least one C5-12 alpha-olefin in an amount of from 0.5 mol % to 4.0 mol %, and has an amount of xylene solubles XS of at least 20 wt %, and the xylene solubles have an amount of ethylene-derived comonomer units of from 4 wt % to 50 wt %.