Compositions – Reductive bleachant – deoxidant – reductant – or generative – Deoxidant or oxygen scavenging
Reexamination Certificate
2005-09-13
2005-09-13
Anthony, Joseph D. (Department: 1714)
Compositions
Reductive bleachant, deoxidant, reductant, or generative
Deoxidant or oxygen scavenging
C252S184000, C252S399000, C053S400000, C210S757000, C210S750000
Reexamination Certificate
active
06942821
ABSTRACT:
A method includes triggering an oxygen scavenger; and storing the scavenger in a container configured such that the oxygen scavenger exhibits no substantial oxygen scavenging activity while inside the container. The triggered oxygen scavenger can later be removed from the container, and used in packaging oxygen sensitive products. A stored oxygen scavenger, triggered, is also disclosed. A method of distributing an oxygen scavenger film includes providing a tubular film at a first location, the film having oxygen barrier and oxygen scavenger layers; triggering the oxygen scavenger; collapsing the film; rolling up the film; transporting the film to a second location; and triggering the oxygen scavenger. Another method of distributing an oxygen scavenger film includes providing an oxygen scavenger film at a first location; transporting the film to a second location; triggering the oxygen scavenger; storing the oxygen scavenger film in a container; and transporting the film to a third location.
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Beckwith Scott W.
Butler Brian L.
Cotterman Ronald L.
Dayrit Richard
Kennedy Thomas D.
Anthony Joseph D.
Cryovac Inc.
Quatt Mark B.
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