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:
Jan. 21, 2020
Filed:
Jul. 29, 2015
Applicant:
Toyo Seikan Group Holdings, Ltd., Tokyo, JP;
Inventors:
Naru Kawahara, Yokohama, JP;
Shunya Nangou, Yokohama, JP;
Kota Mori, Yokohama, JP;
Shinpei Okuyama, Yokohama, JP;
Assignee:
TOYO SEIKAN GROUP HOLDINGS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 7/04 (2006.01); C23C 14/24 (2006.01); B32B 27/18 (2006.01); C23C 16/455 (2006.01); C23C 16/50 (2006.01);
U.S. Cl.
CPC ...
C23C 14/24 (2013.01); B32B 27/18 (2013.01); C08J 7/045 (2013.01); C23C 16/45525 (2013.01); C23C 16/50 (2013.01); B32B 2307/7246 (2013.01);
Abstract
A water-barrier laminate having a water-trapping layer () in which a hygroscopic agent is dispersed, wherein a hygroscopic agent has such a hygroscopic property that the ratio (Ax/Ay) of a hygroscopic amount Ax at a relative humidity of 80% and a hygroscopic amount Ay at a relative humidity of 30% is not less than 3, and the water-trapping layer is positioned between the two inorganic barrier layers () and (). The water-barrier laminate exhibits barrier property against the water over extended periods of time.