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:
Jan. 26, 2021
Filed:
Dec. 25, 2015
Kobayashi Pharmaceutical Co., Ltd., Osaka, JP;
Yuki Sakurai, Osaka, JP;
Tsuyoshi Igaue, Osaka, JP;
KOBAYASHI PHARMACEUTICAL CO., LTD., Osaka, JP;
Abstract
An outer bag for disposable body warmer packaging and a disposable body warmer are provided that are excellent in a gas barrier property that inhibits permeation of oxygen gas, water vapor and the like, which can allow swelling due to hydrogen gas generated during a storage period to be prevented. Provided is an outer bag for disposable body warmer packaging having an accommodating portion accommodating a disposable body warmer accommodated in an air-permeable inner bag and generating heat through contact with air, the outer bag comprising a low air-permeability portion having an oxygen permeability of 1.5 to 20 cc/m·day·atm measured at 20° C. and 90% RH and a water vapor permeability of 0.05 to 10 g/m·day measured at 40° C. and 90% RH; and an air-impermeable portion having an oxygen permeability of 1.3 cc/m·day·atm or lower measured at 20° C. and 90% RH and a water vapor permeability of 2.0 g/m·day or lower measured at 40° C. and 90% RH,