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:
Sep. 15, 2026
Filed:
Dec. 14, 2021
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Kaj Backfolk, Villmanstrand, FI;
Isto Heiskanen, Imatra, FI;
Jukka Kankkunen, Imatra, FI;
Anna Nyberg Zetterlund, Karlstad, SE;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 29/00 (2006.01); B32B 29/02 (2006.01); B32B 37/02 (2006.01); B32B 37/12 (2006.01); B32B 38/00 (2006.01);
U.S. Cl.
CPC ...
B32B 7/12 (2013.01); B32B 29/002 (2013.01); B32B 29/02 (2013.01); B32B 37/02 (2013.01); B32B 37/12 (2013.01); B32B 38/004 (2013.01); B32B 2037/1269 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/04 (2013.01); B32B 2305/026 (2013.01); B32B 2307/538 (2013.01); B32B 2307/718 (2013.01); B32B 2317/12 (2013.01);
Abstract
The present invention relates to packaging materials in the form of laminates comprising a paper or paperboard substrate and a barrier film. The barrier film is based on microfibrillated cellulose. The laminate comprises a paper or paperboard substrate, wherein the substrate is in contact with a first adhesive layer, which is in contact with a second adhesive layer, which is in contact with the barrier film. The present invention also relates to methods for manufacturing such laminates.