Title:
タイムインジケーター用包装体
Document Type and Number:
Japanese Patent JP7400323
Kind Code:
B2
Abstract:
To provide a package suitably used for a time indicator changed in color tone in accordance with the time history of absorbing carbon dioxide.SOLUTION: A time indicator package 1A used for a time indicator reacting to carbon dioxide and water and changed in color tone in accordance with the time history of absorbing the carbon dioxide has gas barrier characteristics and comprises at least a hygroscopic laminate film 10. The hygroscopic laminate film includes a sealant layer 4 and a gas barrier layer 3 in order from an inner layer side, and further includes a hygroscopic layer 5 on the inner layer side of the gas barrier layer.SELECTED DRAWING: Figure 1
Inventors:
Kiyoshi Nakata
Masanao Watanabe
Masanao Watanabe
Application Number:
JP2019187884A
Publication Date:
December 19, 2023
Filing Date:
October 11, 2019
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B65D81/26; B32B27/00; B65D75/26
Domestic Patent References:
| JP2019044175A | ||||
| JP2015091721A | ||||
| JP2014237121A | ||||
| JP8053163A | ||||
| JP2057583A | ||||
| JP2005003413A | ||||
| JP2018203365A |
Attorney, Agent or Firm:
Akihiko Yamashita
Tatsuto Kishimoto
Tatsuto Kishimoto