Packaging system with oxygen sensor

Details Packaging system with oxygen sensor Packaging system with oxygen sensor

2007-05-22

2007-05-22

Yu, Mickey (Department: 3728)

Special receptacle or package

With indicator

C206S807000

Reexamination Certificate

active

10748452

ABSTRACT:
A packaging system or storage arrangement that includes provision to indicate the presence of oxygen. An oxygen-sensitive material is placed inside a sealable container. Air is evacuated from the sealable container and the sealable container is sealed to isolate the oxygen-sensitive material from oxygen. The sealable container is then irradiated with an effective amount of radiation to activate the oxygen-sensitive material such that the oxygen-sensitive material will undergo a visual change in the presence of oxygen after the oxygen-sensitive material has been irradiated. The visual change provides an indication of the presence of oxygen inside the sealable container.

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Material Data Sheet for Dow Calibre 2081 polycarbonate revealing the color stability for which the material was created.

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