Oxygen absorber
AssigneeMultiform Desiccants, Inc.
InventorGeorge E. McKedy
Life of this patent
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Abstract
An oxygen-absorbing composition containing particulate annealed electrolytically reduced iron of between about 100 mesh and 325 mesh in an amount of about up to 99.6% by weight, a salt such as sodium chloride in an amount by weight of about up to 3.5%, and optionally a water-attracting and supplying component such as silica gel of a mesh size of between about 30 mesh and 325 mesh in an amount by weight of up to about 80%. A packet for absorbing oxygen including a stain and grease resistant envelope containing the oxygen-absorbing composition. A grease and stain resistant laminate consisting of plies of various plastics and grease and stain resisting paper.
Claims14
An oxygen-absorbing composition comprising in relatively sufficient proportions particulate annealed electrolytically reduced iron, and salt for combining with water to produce an electrolyte which combines with said iron to cause it to absorb oxygen.
An oxygen-absorbing composition comprising by weight particulate annealed electrolytically reduced iron in an amount up to 99.6%, a salt for combining with water to produce an electrolyte in an amount up to about 3.5%, and a water-attracting and supplying component for attracting and supplying water to said salt in an amount of up to about 80%.
Dependencies are inferred from the claim text.