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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.:

US 12590416 B1

PDFFull Text
Date of Patent:
Mar. 31, 2026

Filed:

Jun. 03, 2022

Biobased barrier film for packaging material

Applicant:

Stora Enso Oyj, Helsinki, FI;

Inventors:

Isto Heiskanen, Imatra, FI;

Kaj Backfolk, Lappeenranta, FI;

Katja Lyytikäinen, Imatra, FI;

Assignee:

Stora Enso OYJ, Helsinki, FI;

Attorney:

Greer Burns & Crain Ltd.

Primary Examiner:

Jose A Fortuna

Int. Cl.
CPC ...
D21H 21/16 (2006.01); B32B 29/00 (2006.01); B65D 65/40 (2006.01); D21H 11/18 (2006.01); D21H 19/12 (2006.01); D21H 19/40 (2006.01); D21H 19/46 (2006.01); D21H 19/54 (2006.01); D21H 23/22 (2006.01); D21H 27/10 (2006.01);
U.S. Cl.
CPC ...
D21H 21/16 (2013.01); B32B 29/005 (2013.01); B65D 65/40 (2013.01); D21H 11/18 (2013.01); D21H 19/12 (2013.01); D21H 19/40 (2013.01); D21H 19/46 (2013.01); D21H 19/54 (2013.01); D21H 23/22 (2013.01); D21H 27/10 (2013.01); B32B 2255/12 (2013.01); B32B 2255/24 (2013.01); B32B 2307/718 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01);
Abstract

The present invention relates to a biobased barrier film for a paper or paperboard-based packaging material, said barrier film comprising: a substrate layer and a coating layer disposed on at least one surface of the substrate layer, wherein said substrate layer has a grammage in the range of 1-60 g/mand comprises at least 50 wt % of highly refined cellulose pulp based on the dry weight of the substrate layer, and wherein said coating layer has a grammage in the range of 1-15 g/mand comprises at least 50 wt % of a film forming modified starch and 0.1-10 wt % of a biobased lubricant, based on the dry weight of the coating layer.

Find Patent Forward Citations

Heiskanen, Isto. (2026). Biobased barrier film for packaging material (U.S. Patent No. 12590416). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12590416

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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