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.:
Date of Patent:
Feb. 11, 2020
Filed:
Aug. 09, 2016
Toyo Seikan Group Holdings, Ltd., Tokyo, JP;
Shunya Nangou, Yokohama, JP;
Shinpei Okuyama, Yokohama, JP;
Kota Mori, Yokohama, JP;
Naru Kawahara, Yokohama, JP;
Misato Yagisawa, Yokohama, JP;
TOYO SEIKAN GROUP HOLDINGS, LTD., Tokyo, JP;
Abstract
A water barrier laminate () including a plastic base material () that faces the atmosphere of a high water content, as well as a first inorganic barrier layer (), a water-trapping layer () and a second inorganic barrier layer () formed in this order on the plastic base material () on the side that does not face the atmosphere of the high water content, wherein an auxiliary water-trapping layer () is formed on the second inorganic barrier layer () on the side opposite to the water-trapping layer () to trap the water from the side surface, the auxiliary water-trapping layer () being located on the surface that faces the atmosphere of a low water content or being located in a region at a distance of not more than 20 μm from the surface that faces the atmosphere of the low water content.