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:
Jun. 12, 2018
Filed:
Dec. 20, 2010
Applicants:
Lars Axrup, Hammaro, SE;
Isto Heiskanen, Imatra, FI;
Kaj Backfolk, Lappeenranta, FI;
Inventors:
Assignee:
STORA ENSO OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/18 (2006.01); D21H 27/10 (2006.01); D21H 19/34 (2006.01); B65D 65/42 (2006.01); B32B 27/32 (2006.01); B32B 27/10 (2006.01); B32B 29/00 (2006.01);
U.S. Cl.
CPC ...
D21H 11/18 (2013.01); B32B 27/10 (2013.01); B32B 27/32 (2013.01); B32B 29/00 (2013.01); B65D 65/42 (2013.01); D21H 19/34 (2013.01); D21H 27/10 (2013.01); Y10T 156/10 (2015.01); Y10T 428/253 (2015.01);
Abstract
The present invention relates to a paper or paperboard substrate having barrier properties which substrate comprises a first fiber based layer, a second layer comprising micro-fibrillated cellulose, a third layer comprising a heat sealable polymer, and a fourth layer comprising aluminum, aluminum oxide or titanium dioxide. The invention further relates to a process for the production of said substrate and a package formed of said substrate.