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:
Aug. 11, 2022
Applicant:
Billerud Aktiebolag (Publ), Solna, SE;
Inventors:
Fredrik Nordstrom, Karlstad, SE;
Johan Magnusson, Frovi, SE;
Assignee:
BILLERUD AKTIEBOLAG (PUBL), Solna, SE;
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/08 (2006.01); D21F 11/04 (2006.01); D21H 11/04 (2006.01); D21H 27/00 (2006.01); D21H 27/30 (2006.01); D21J 1/00 (2006.01);
U.S. Cl.
CPC ...
D21J 1/00 (2013.01); D21F 11/04 (2013.01); D21H 11/04 (2013.01); D21H 11/08 (2013.01); D21H 27/00 (2013.01); D21H 27/30 (2013.01);
Abstract
There is provided a multi-layered paperboard comprising a first outer layer, a second outer layer and at least one middle layer arranged between the first and the second outer layer, wherein the grammage of the first outer layer is at least 2.0 times higher than the grammage of the second outer layer. A method of producing the multi-layered paperboard is also provided.
Quick Actions:
Nordstrom, Fredrik. (2026). Assymetric paperboard (U.S. Patent No. 12716176). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12716176
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile