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:
Jun. 24, 2008
Filed:
May. 12, 2004
Yoshihiro Kitano, Yokohama, JP;
Atsushi Kikuchi, Yokohama, JP;
Toshiki Yamada, Yokohama, JP;
Misa Hanita, Yokohama, JP;
Yoshihiro Kitano, Yokohama, JP;
Atsushi Kikuchi, Yokohama, JP;
Toshiki Yamada, Yokohama, JP;
Misa Hanita, Yokohama, JP;
Toyo Seikan Kaisha, Ltd., Tokyo, JP;
Abstract
A multi-layer structure for packaging formed by at least an inner layer, an outer layer and an intermediate layer, the intermediate layer having an islands-in-a-sea structure comprising a resin A constituting sea portions and a functional resin B constituting island portions, the sea portions occupying not more than 80% of the area of the intermediate layer in cross section, and the inner layer and the outer layer being resins having adhesiveness to said resin A. The adhesion among the layers is improved without providing any particular adhesive layers among the intermediate layer having a function such as gas barrier property and the inner and outer layers, and, besides, transparency is improved.