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. 13, 2019
Filed:
Jun. 28, 2016
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Annki Karlsson, Karlstad, SE;
Raija Badenlid, Karlstad, SE;
Stig Tollnerius, Karlstad, SE;
Susanne Hansson, Vendelso, SE;
Assignee:
STORA ENSO OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 1/00 (2006.01); B05D 3/02 (2006.01); B05D 3/04 (2006.01); D21H 17/11 (2006.01); D21H 17/14 (2006.01); D21H 21/16 (2006.01); D21H 23/22 (2006.01); D21H 23/50 (2006.01); C08B 3/10 (2006.01); B05D 5/08 (2006.01);
U.S. Cl.
CPC ...
D21H 21/16 (2013.01); C08B 3/10 (2013.01); D21H 17/11 (2013.01); D21H 17/14 (2013.01); D21H 23/22 (2013.01); D21H 23/50 (2013.01); B05D 1/60 (2013.01); B05D 3/0227 (2013.01); B05D 3/0493 (2013.01); B05D 5/08 (2013.01); B05D 2203/22 (2013.01); B05D 2252/02 (2013.01);
Abstract
Method for hydrophobing a cellulose substrate (), which comprising a first side and a second side, which faces away from the first side. The method comprising the steps of drying a cellulose substrate () to a dry content above 80%, preferably above 85%, adding a vaporized fatty acid halide, to the first side of the cellulose substrate, and, at the same time perform vacuum sucking at the second side of the cellulose substrate, such that, the vaporized fatty acid penetrates the cellulose substrate () in a predetermined direction through the substrate.