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:
Aug. 25, 2026
Filed:
Oct. 25, 2022
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Carl-Henrik Ljungqvist, Karlstad, SE;
Kaj Backfolk, Lappeenranta, FI;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/14 (2006.01); B32B 27/10 (2006.01); B32B 27/32 (2006.01); B65D 65/40 (2006.01); B65D 65/42 (2006.01); D21H 11/14 (2006.01); D21H 19/10 (2006.01); D21H 19/84 (2006.01); D21H 27/10 (2006.01);
U.S. Cl.
CPC ...
D21H 21/14 (2013.01); B32B 27/10 (2013.01); B32B 27/32 (2013.01); B65D 65/40 (2013.01); B65D 65/42 (2013.01); D21H 11/14 (2013.01); D21H 19/10 (2013.01); D21H 19/84 (2013.01); D21H 27/10 (2013.01); B32B 2250/40 (2013.01); B32B 2255/12 (2013.01); B32B 2255/26 (2013.01); B32B 2307/718 (2013.01); B32B 2307/7244 (2013.01); B32B 2439/70 (2013.01); B32B 2553/00 (2013.01);
Abstract
The present invention relates to a barrier paper or barrier film for a food or liquid packaging laminate, said barrier paper or barrier film comprising: a substrate layer comprising a highly refined cellulose composition comprising fibers obtained from used beverage cartons (UBC), and a polymeric gas barrier coating disposed on at least one side of the substrate layer.