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:
May. 31, 2022
Filed:
Dec. 18, 2018
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 27/10 (2006.01); B32B 27/10 (2006.01); B32B 27/32 (2006.01); D21H 11/18 (2006.01); D21H 19/22 (2006.01);
U.S. Cl.
CPC ...
D21H 27/10 (2013.01); B32B 27/10 (2013.01); B32B 27/32 (2013.01); D21H 11/18 (2013.01); D21H 19/22 (2013.01);
Abstract
The present invention relates to a laminate having oxygen barrier properties, which laminate comprises; a porous fiber based layer comprising nanocellulose and cellulosic fibers wherein said fiber based layer has an air resistance of less than 4000 s/100 ml measured according to ISO5636/6 and a polymer layer attached to at least one side of said fiber based layer to form said laminate. The present invention further relates to a method to produce said laminate and a paper or paperboard product comprising the laminate and the use of the laminate.