Closure with oxygen scavenger

Details Closure with oxygen scavenger Closure with oxygen scavenger

2008-07-15

2008-07-15

Eashoo, Mark (Department: 1796)

Compositions

Reductive bleachant, deoxidant, reductant, or generative

Sulfur containing reductant, bleachant, deoxidant, or...

C252S188280

Reexamination Certificate

active

10991183

ABSTRACT:
A closure that is able to prevent oxygen from entering the container upon which the closure is attached. Preferably, the closure is comprised of one piece wholly molded of plastic, oxygen scavenging or anti-oxidant compounds, and catalysts homogenously mixed therein. More preferably, the closure is a composition of polypropylene or high-density polyethylene with an oxygen scavenger and catalyst intergrated within the polypropylene or high-density polyethylene.

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