Oxygen-scavenging containers

Details Oxygen-scavenging containers Oxygen-scavenging containers

2002-07-16

2010-06-22

Yoon, Tae H (Department: 1796)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S035800, C428S035900, C523S200000, C524S439000, C524S440000, C524S441000

Reexamination Certificate

active

07740926

ABSTRACT:
A container providing effective oxygen-scavenging functionality, while having high L* color or low darkness. The container has at least one wall, wherein the wall comprises a populated area, and wherein the populated area comprises a film-forming polymer; and a population of particles comprising an effective amount of oxygen-scavenging particles, wherein the number of oxygen scavenging particles does not exceed a concentration of about (1×107particles÷T) per cubic centimeter of polymer wherein T is the thickness of the populated area in mils; and wherein the change in the transmission Hunter L* of said wall is less than about 0.4 per mil of the container wall when compared to a control that does not contain oxygen-scavenging particles.

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