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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 11999132 B1

PDFFull Text
Date of Patent:
Jun. 04, 2024

Filed:

Mar. 28, 2018

Heat sealable packaging material comprising microfibrillated cellulose and products made therefrom

Applicant:

Stora Enso Oyj, Helsinki, FI;

Inventors:

Kaj Backfolk, Villmanstrand, FI;

Isto Heiskanen, Imatra, FI;

Esa Saukkonen, Lappeenranta, FI;

Jukka Kankkunen, Imarta, FI;

Ville Ribu, Lappeenranta, FI;

Kimmo Nevalainen, Kotka, FI;

Assignee:

Stora Enso OYJ, Helsinki, FI;

Attorney:

Greer, Burns & Crain, Ltd.

Primary Examiner:

Michael C Romanowski

Int. Cl.
CPC ...
B32B 15/085 (2006.01); B32B 15/20 (2006.01); B32B 27/10 (2006.01); B65D 65/40 (2006.01); B65D 65/42 (2006.01); C08J 5/18 (2006.01); D21H 11/18 (2006.01); D21H 19/04 (2006.01); D21H 19/08 (2006.01); D21H 19/22 (2006.01); D21H 19/82 (2006.01); D21H 19/84 (2006.01); D21H 27/10 (2006.01);
U.S. Cl.
CPC ...
B32B 15/085 (2013.01); B32B 15/20 (2013.01); B32B 27/10 (2013.01); B65D 65/40 (2013.01); B65D 65/42 (2013.01); C08J 5/18 (2013.01); D21H 11/18 (2013.01); D21H 19/04 (2013.01); D21H 19/08 (2013.01); D21H 19/22 (2013.01); D21H 19/824 (2013.01); D21H 19/84 (2013.01); D21H 27/10 (2013.01); B32B 2307/7244 (2013.01); B32B 2439/70 (2013.01); C08J 2323/06 (2013.01);
Abstract

The present invention is directed to a packaging material comprising a layer of microfibrillated cellulose (MFC) and an aluminum layer having a thickness of 0.1-20 μm, wherein the layer comprising MFC and/or the aluminum layer has been laminated or extrusion coated on at least one side with a thermoplastic polymer and wherein the amount of aluminum is sufficient to make the packaging material heat sealable by induction. The MFC layer contains at least 60% by weight of microfibrillated cellulose.

Find Patent Forward Citations

Backfolk, Kaj. (2024). Heat sealable packaging material comprising microfibrillated cellulose and products made therefrom (U.S. Patent No. 11999132). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11999132

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

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