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:
May. 28, 2013
Filed:
Jul. 25, 2012
Takashi Arai, Shiga, JP;
Yasushi Tateishi, Shizuoka, JP;
Saori Sumi, Shiga, JP;
Kusato Hirota, Shiga, JP;
Takashi Arai, Shiga, JP;
Yasushi Tateishi, Shizuoka, JP;
Saori Sumi, Shiga, JP;
Kusato Hirota, Shiga, JP;
Toray Industries, Inc., Tokyo, JP;
Abstract
The present invention relates to a gas barrier film where a polyurethane resin layer and an inorganic layer are disposed in this order from a polyester resin film side on at least one surface of a polyester resin film, wherein the polyurethane resin constituting said polyurethane resin layer is a resin containing a skeleton represented by the following formula (1) and/or the following formula (2). The present invention provides a gas barrier film having excellent oxygen insulation and water vapor insulation.