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:
Oct. 13, 1998
Filed:
Jun. 23, 1995
Hidetoshi Hatakeyama, Tokyo, JP;
Yoshiki Ito, Tokyo, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
A multi-layer structural body for absorbing oxygen and preserving packaged goods adversely affected by oxygen, such as food, includes a first layer resistant to gas permeation; a second layer laminated on the first layer and having a deoxidizing property; and a third layer laminated on the second layer and permeable to air, wherein the first layer has an oxygen permeability of less than 100 cc/m.sup.2 .multidot.day.multidot.atm (23.degree. C., 100% RH); the second layer includes a resin having an oxygen permeability coefficient of at least 200 cc.multidot.0.1 mm/m.sup.2 .multidot.day.multidot.atm (23.degree. C., 100% RH), a granular oxygen absorber composition dispersed in the resin and including a deoxidation material undergoing a deoxidation reaction when exposed to moisture, and a moisture absorber dispersed in the resin, wherein the third layer has an oxygen permeability of at least 100 cc/m.sup.2 .multidot.day.multidot.atm (23.degree. C., 100% RH)