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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 11981785 B1

PDFFull Text
Date of Patent:
May. 14, 2024

Filed:

Nov. 07, 2018

Water-barrier laminated film

Applicant:

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

Inventors:

Shinpei Okuyama, Yokohama, JP;

Keisuke Takayama, Yokohama, JP;

Shunya Nangou, Yokohama, JP;

Misato Yagisawa, Yokohama, JP;

Yoshihiro Ohta, Yokohama, JP;

Assignee:

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

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Ramsey Zacharia

Int. Cl.
CPC ...
C08J 7/04 (2020.01); B32B 7/12 (2006.01); B32B 9/04 (2006.01); B32B 15/09 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01); C08J 5/18 (2006.01); C08J 7/043 (2020.01); C08J 7/056 (2020.01); C09D 5/00 (2006.01); C09D 175/06 (2006.01); C09D 175/14 (2006.01); C09D 183/06 (2006.01); C09J 5/00 (2006.01);
U.S. Cl.
CPC ...
C08J 7/0423 (2020.01); B32B 7/12 (2013.01); B32B 9/045 (2013.01); B32B 15/09 (2013.01); B32B 27/306 (2013.01); B32B 27/36 (2013.01); C08J 5/18 (2013.01); C08J 7/043 (2020.01); C08J 7/056 (2020.01); C09D 5/002 (2013.01); C09D 175/06 (2013.01); C09D 175/14 (2013.01); C09D 183/06 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/726 (2013.01); B32B 2457/00 (2013.01); C08J 2475/06 (2013.01); C08J 2475/14 (2013.01); C08J 2483/06 (2013.01);
Abstract

A water-barrier laminated film () including a plastic film (A) that has an inorganic barrier layer (A) on the surface thereof and a water-trapping layer (B), characterized in that: between the plastic film (A) and the water-trapping layer (B), an isocyanate type coating (C) is provided that contains, as a film-forming component, an isocyanate type polymer obtained by reacting an isocyanate as the reaction component; and the water-trapping layer (B) is formed on the isocyanate type coating (C) that is formed as the underlying layer.

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