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:
Apr. 17, 2012
Filed:
Mar. 24, 2006
Tatsuya Oshita, Kurashiki, JP;
Goki Uehara, Kurashiki, JP;
Manabu Shibata, Kurashiki, JP;
Kuraray Co., Ltd., Kurashiki-shi, JP;
Abstract
Provided is a paper container having a window and being formed of a laminate that includes at least a paper layer and a gas barrier laminate, the paper layer having a cutout part for the window, the cutout part being covered with the gas barrier laminate, and the gas barrier laminate including a substrate and a gas barrier layer laminated on at least one surface of the substrate, wherein the gas barrier layer is formed of a composition containing a polymer having at least one functional group selected from a carboxyl group and a carboxylic anhydride group, and wherein —COO— groups contained in the at least one functional group are neutralized at least partly with a metal ion having a valence of two or more.