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:
Feb. 03, 2026
Filed:
Dec. 15, 2020
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Tuomo Hjelt, Helsinki, FI;
Christiane Laine, Espoo, FI;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 21/56 (2006.01); B65D 65/42 (2006.01); D21H 19/42 (2006.01); D21H 19/52 (2006.01);
U.S. Cl.
CPC ...
D21H 21/56 (2013.01); B65D 65/42 (2013.01); D21H 19/42 (2013.01); D21H 19/52 (2013.01);
Abstract
The present invention relates to coated paper or paperboard comprising: a paper or paperboard substrate, and a solid closed cell foam coating layer disposed on a surface of said a paper or paperboard substrate, wherein said solid closed cell foam coating layer comprises a nanocellulose, and a foaming agent. The invention further relates to a food container, preferably a cup, comprising such coated paper or paperboard.