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. 08, 2004
Filed:
Jun. 21, 2002
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
There is disclosed an oxygen-absorbing multi-layer film which comprises an outer layer comprising a thermoplastic resin; an adhesive layer comprising an epoxy resin; an oxygen-absorbing layer comprising a thermoplastic resin and an iron based oxygen-absorbing agent incorporated therein; and a heat sealing layer comprising an oxygen-permeable thermoplastic resin, wherein the adhesive layer comprises a gas barrier epoxy resin composition containing at least 30% by weight, preferably 40 to 90% by weight of a xylylenediamine unit (N—CH —C H —CH —N). The multi-layer film preferably having an overall thickness of at most 120 micron is excellent in oxygen-absorbing function, gas barrier properties, impact resistance, film rigidity and economical efficiency, and is well suited for use as packaging materials for food, pharmaceutical and the like.