logo

For the Inventor, By the Inventor

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 11565508 B1

PDFFull Text
Date of Patent:
Jan. 31, 2023

Filed:

Mar. 29, 2019

Moisture barrier laminate

Applicant:

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

Inventors:

Misato Kawanishi, Yokohama, JP;

Shunya Nangou, Yokohama, JP;

Shinpei Okuyama, Yokohama, JP;

Keisuke Takayama, Yokohama, JP;

Yoshihiro Ohta, 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 7/02 (2019.01); B32B 27/20 (2006.01); B32B 27/30 (2006.01); B32B 27/40 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 7/02 (2013.01); B32B 27/20 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/40 (2013.01); B32B 2250/03 (2013.01); B32B 2250/24 (2013.01); B32B 2264/1021 (2020.08); B32B 2264/1022 (2020.08); B32B 2264/1023 (2020.08); B32B 2264/1024 (2020.08); B32B 2307/302 (2013.01); B32B 2307/412 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/732 (2013.01); B32B 2333/08 (2013.01); B32B 2367/00 (2013.01); B32B 2375/00 (2013.01); B32B 2457/206 (2013.01); B32B 2457/208 (2013.01);
Abstract

An object of the present invention is to provide a moisture barrier laminate including a moisture trapping layer that maximizes its moisture trapping performance and exhibits an excellent moisture barrier property. The moisture barrier laminate of the present invention includes a gas barrier film substrate A having a gas barrier layer aand a moisture trapping layer B formed on the film substrate A as a base. On a surface of the moisture trapping layer B opposite to the film substrate A, a protective resin layer C having a moisture permeability in a range of 4.0×10 to 5.0×10g/m·day at 40° C. and 90% RH is laminated.

Find Patent Forward Citations

Loading…