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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.:

US 12612734 B1

PDFFull Text
Date of Patent:
Apr. 28, 2026

Filed:

Jun. 16, 2022

Composition for providing barrier properties, its use and a sheet-like product

Applicant:

Kemira Oyj, Helsinki, FI;

Inventors:

Jaana Laine, Espoo, FI;

Kaisa Karisalmi, Espoo, FI;

Assignee:

KEMIRA OYJ, Helsinki, FI;

Attorney:

Meunier Carlin & Curfman LLC

Primary Examiner:

Sheeba Ahmed

Int. Cl.
CPC ...
D21H 19/52 (2006.01); C09D 7/40 (2018.01); C09D 7/65 (2018.01); C09D 125/14 (2006.01); C09D 133/04 (2006.01); C09D 197/02 (2006.01); D21H 19/42 (2006.01); D21H 19/58 (2006.01); D21H 21/10 (2006.01); D21H 21/16 (2006.01); D21H 27/10 (2006.01);
U.S. Cl.
CPC ...
D21H 19/42 (2013.01); C09D 7/65 (2018.01); C09D 7/69 (2018.01); C09D 7/70 (2018.01); C09D 125/14 (2013.01); C09D 133/04 (2013.01); C09D 197/02 (2013.01); D21H 19/52 (2013.01); D21H 19/58 (2013.01); D21H 21/16 (2013.01); D21H 27/10 (2013.01);
Abstract

The invention relates to a composition for providing barrier properties for a cellulosic fibre web, such as paper, board or the like. The coating composition comprises microfibrillated non-wood biomass, having a particle size D90<250 μm and particle size D50<100 μm, which microfibrillated non-wood biomass comprises at least 5 weight-% of a hemicellulose fraction and/or pectin, calculated from the dry weight of the microfibrillated non-wood biomass; an auxiliary agent comprising at least one cellulose derivative, and/or a synthetic binding agent, such as polyvinyl alcohol or polystyrene acrylate copolymer.

Find Patent Forward Citations

Laine, Jaana. (2026). Composition for providing barrier properties, its use and a sheet-like product (U.S. Patent No. 12612734). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12612734

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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