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US 2013/0075655 A1Published application
Methods of making oxygen scavenging articles containing moisture
AssigneeMultisorb Technologies, Inc.
InventorChieh-Chun CHAU
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Abstract
An extruded or molded article containing iron based oxygen scavenger, electrolytes, activated carbon, silica gel, or other water absorbing media, and optionally pore formers, is subjected to deformation to create voids or porosity, and subjected to water spraying or dipping to obtain a water activity of 0.4 or higher. The article is placed in a container or package containing oxygen sensitive articles.
Claims25
A method of making an oxygen scavenging material comprising:
- wetting an oxygen scavenging material with a liquid such that pores disposed in the material retain a portion of the liquid.
A system for manufacturing oxygen scavenging material comprising:
- a supply of oxygen scavenging material;
- a directional orientation tool for stretching the supply of oxygen scavenging material in at least one axial direction;
- and
- a water supply for wetting the stretched oxygen scavenging material.
1 more element
An oxygen scavenger comprising:
- a stretched oxygen scavenging film having a plurality of pores therein;
- and
- a liquid retained in the pores.
Dependencies are inferred from the claim text.