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.

Date of Patent:
Nov. 22, 2022

Filed:

Dec. 21, 2017
Applicant:

Stora Enso Oyj, Helsinki, FI;

Inventors:

Isto Heiskanen, Imatra, FI;

Esa Saukkonen, Lappeenranta, FI;

Assignee:

Stora Enso OYJ, Helsinki, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 5/00 (2006.01); B32B 29/02 (2006.01); D21C 9/18 (2006.01); D21H 11/18 (2006.01); D21H 19/34 (2006.01); D21H 23/26 (2006.01);
U.S. Cl.
CPC ...
B32B 29/02 (2013.01); D21C 9/18 (2013.01); B32B 2307/7242 (2013.01); D21F 5/00 (2013.01); D21H 11/18 (2013.01); D21H 19/34 (2013.01); D21H 23/26 (2013.01);
Abstract

The present invention relates to a method for the production of a coated paper, paperboard or film, wherein the method comprises the steps of; providing a first suspension comprising cellulose fibers, applying the first suspension on a substrate to form a fibrous web, wherein the web has a first and a second side, providing a second suspension comprising micro fibrillated cellulose, applying the second suspension either to the first side of the fibrous web or to a surface of a drying equipment and conducting said fibrous web through the drying equipment whereby the second suspension is added to the first side of the web forming the coated paper, paperboard or film. The invention also relates to a paper, paperboard or film produced according to the method.


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