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:
Apr. 21, 2025
Filed:
Jun. 17, 2021
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Mikael Gällstedt, Stockholm, SE;
Fredrik Wernersson Brodin, Kungsbacka, SE;
Åsa Nyflott, Karlstad, SE;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/16 (2005.12); C09D 5/00 (2005.12); C09D 7/61 (2017.12); C09D 7/63 (2017.12); C09D 7/65 (2017.12); C09D 105/14 (2005.12); D21H 17/24 (2005.12); D21H 19/12 (2005.12); D21H 19/40 (2005.12); D21H 19/62 (2005.12);
U.S. Cl.
CPC ...
D21H 21/16 (2012.12); C09D 5/00 (2012.12); C09D 7/61 (2017.12); C09D 7/63 (2017.12); C09D 7/65 (2017.12); C09D 105/14 (2012.12); D21H 17/24 (2012.12); D21H 19/12 (2012.12); D21H 19/40 (2012.12); D21H 19/62 (2012.12);
Abstract
The present invention relates to an aqueous barrier coating composition comprising: 50-99.9% by weight of one or more anionic low molecular weight polysaccharide(s) having a degree of polymerization (DP) in the range of 2-12; 0.1-10% by weight of a polycationic polymer; based on the total dry weight of the aqueous barrier coating composition.