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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 11945195 B1

PDFFull Text
Date of Patent:
Apr. 02, 2024

Filed:

Feb. 25, 2020

Water barrier laminate

Applicant:

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

Inventors:

Shunya Nangou, Yokohama, JP;

Shinpei Okuyama, Yokohama, JP;

Misato Kawanishi, Yokohama, JP;

Keisuke Takayama, Yokohama, JP;

Assignee:

TOYO SEIKAN GROUP HOLDINGS, LTD., Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Prashant J Khatri

Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 7/12 (2006.01); B32B 27/36 (2006.01); C09D 7/65 (2018.01); C09D 133/02 (2006.01); C09J 7/29 (2018.01); C09J 7/38 (2018.01); C23C 14/10 (2006.01); C23C 16/40 (2006.01); C23C 16/50 (2006.01); H10K 50/844 (2023.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 7/12 (2013.01); B32B 27/36 (2013.01); C09D 7/65 (2018.01); C09D 133/02 (2013.01); C09J 7/29 (2018.01); C09J 7/38 (2018.01); C23C 14/10 (2013.01); C23C 16/401 (2013.01); C23C 16/50 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/205 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/732 (2013.01); C09J 2203/326 (2013.01); C09J 2301/16 (2020.08); C09J 2400/123 (2013.01); C09J 2433/006 (2013.01); C09J 2467/006 (2013.01); C09J 2475/00 (2013.01); H10K 50/844 (2023.02);
Abstract

A water barrier laminate including inorganic barrier and water-trapping layers alternately arranged in order from the side facing the device to the outer side: a first inorganic barrier layer, a first water-trapping layer, a second inorganic barrier layer, a second water-trapping layer and a third inorganic barrier layer. A water-permeable underlying plastic layer is provided on one side of these inorganic barrier layers; a distance L1a between the first water-trapping layer and the first inorganic barrier layer and a distance L2a between the second water-trapping layer and the second barrier satisfy formulas (1) and (2):L1a<3 μm  (1)L2a<3 μm  (2)and a distance L1b between the second inorganic barrier layer and the first water-trapping layer satisfies formula (3):L1b≤3 μm  (3)by interposing a water-permeable organic layer therebetween.

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