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:
Dec. 20, 1983
Filed:
Oct. 21, 1981
Applicant:
Inventor:
Takehiko Moriya, Tokyo, JP;
Assignee:
Mitsubishi Gas Chemical Co. Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; A61B / ;
U.S. Cl.
CPC ...
2065242 ; 206439 ; 2064841 ; 215228 ; 426124 ; 426398 ; 428 35 ;
Abstract
A bag in which an oxygen absorbent is sealed, is characterized in that at least part of the material constituting the bag is composed of a film having a plurality of fine openings, and being gas-permeable, but water-impermeable at one atmospheric pressure, and a container sealing member in which the bag is in a space inside the member are disclosed. The bag is used for preserving an aqueous liquid or semi-liquid material, such as foodstuffs and other materials.