Envelopes – wrappers – and paperboard boxes – Paperboard box – Thermally insulated
Reexamination Certificate
2005-06-29
2009-12-01
Elkins, Gary E (Department: 3782)
Envelopes, wrappers, and paperboard boxes
Paperboard box
Thermally insulated
C229S122320, C229S939000
Reexamination Certificate
active
07624911
ABSTRACT:
An insulating container to replace expanded polystyrene includes a freestanding, cellulose-based substrate encapsulated with a polymeric film. The encapsulated cellulose-based substrate may be provided with an insulating value to match that of expanded polystyrene. Additionally, the encapsulated cellulose-based substrate may be recycled in the OCC recycle stream.
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Smith Michael J
Spurrell Robert M
Elkins Gary E
Eslami Matthew M.
International Paper Co.
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