Stock material or miscellaneous articles – Hollow or container type article – Shrinkable or shrunk
Reexamination Certificate
2006-08-01
2006-08-01
Pyon, Harold (Department: 1772)
Stock material or miscellaneous articles
Hollow or container type article
Shrinkable or shrunk
C428S035900, C428S339000, C428S500000, C428S515000, C428S516000, C428S520000, C428S521000
Reexamination Certificate
active
07083838
ABSTRACT:
A packaging film having enhanced optical and mechanical properties so that a product surrounded by the film is clearly visible through the film and the film is sufficiently durable to be useful as packaging film. The packaging film including a first layer of elastomer; a second layer of polyolefin having a first surface abuttingly contacting a first surface of the elastomer; and a third layer of elastomer abuttingly contacting a second surface of the polyolefin. The second layer of polyolefin is positioned between the first and third layers of elastomer. The packaging film can also include oxygen barrier properties useful in applications requiring relatively high protection from oxygen and moisture.
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Jan H. Schut, Polystyrene Blown Film Starts to Get Some Respect,Plastics Technology, Nov. 2002, available at Online, www.plasticstechnology.com/articles/200011fa1.html.
Exopack, L.L.C.
Hon Sow-Fun
Pyon Harold
Stoel Rives LLP
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