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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 11525218 B1

PDFFull Text
Date of Patent:
Dec. 13, 2022

Filed:

Jun. 14, 2018

Barrier coating composition, sheet-like product and its use

Applicant:

Kemira Oyj, Helsinki, FI;

Inventors:

Helena Peuranen, Espoo, FI;

Sami Puttonen, Helsinki, FI;

Tarja Turkki, Helsinki, FI;

Mari Ojanen, Espoo, FI;

Erland Hermansson, Helsinki, FI;

Assignee:

Kemira Oyj, Helsinki, FI;

Attorney:

Meunier Carlin & Curfman LLC

Primary Examiner:

Mark Halpern

Int. Cl.
CPC ...
D21H 19/22 (2006.01); D21H 21/16 (2006.01); C09D 7/65 (2018.01); C09D 7/61 (2018.01); C09D 7/43 (2018.01); B65D 65/42 (2006.01); C09D 5/00 (2006.01); C09D 125/14 (2006.01); C09D 129/04 (2006.01); C09D 133/06 (2006.01); D21H 19/58 (2006.01); D21H 19/60 (2006.01); D21H 27/10 (2006.01);
U.S. Cl.
CPC ...
D21H 21/16 (2013.01); B65D 65/42 (2013.01); C09D 5/00 (2013.01); C09D 7/43 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 125/14 (2013.01); C09D 129/04 (2013.01); C09D 133/062 (2013.01); D21H 19/22 (2013.01); D21H 19/58 (2013.01); D21H 19/60 (2013.01); D21H 27/10 (2013.01);
Abstract

A barrier coating composition is disclosed including 30-70 weight-% of a styrene (meth)acrylate copolymer, polymerised in the presence of a stabiliser, and the styrene (meth)acrylate copolymer having a glass transition temperature Tg≤20° C., preferably ≤10° C., 30-70 weight-% of a polyvinyl alcohol, and at most 5.0 weight-% of a cross-linker, reacting with —OH or —COOH groups. Further disclosed is a sheet-like product coated with the coating composition.

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Quick Actions:

Peuranen, Helena. (2022). Barrier coating composition, sheet-like product and its use (U.S. Patent No. 11525218). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11525218

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