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:
Oct. 25, 2022

Filed:

Apr. 01, 2019
Applicant:

Toyo Seikan Group Holdings, Ltd., Tokyo, JP;

Inventors:

Chiho Sugiura, Tokyo, JP;

Yusuke Obu, Tokyo, JP;

Kenji Hayashi, Tokyo, JP;

Yutaka Kawakubo, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/022 (2019.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/34 (2006.01);
U.S. Cl.
CPC ...
B32B 7/022 (2019.01); B32B 27/08 (2013.01); B32B 27/30 (2013.01); B32B 27/34 (2013.01); B32B 2457/12 (2013.01); B32B 2457/206 (2013.01); B32B 2457/208 (2013.01);
Abstract

A barrier film for electronic devices exhibiting and maintaining excellent water barrier property. The barrier film for electronic devices features a water permeability (23° C., RH50%) that is set to be not more than 10g/m/day and a water content that is maintained to be not more than 2000 ppm.


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