B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 23/02 (2006.01) B65D 81/38 (2006.01)
Patent
CA 2570585
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of crosslinked fibers and processed cellulosic fibers. The paperboard provides sufficient insulation to provide a .DELTA.T across the paperboard of at least 3.6°C at 0.5 mm. A hot cup may be produced from the insulating paperboard.
Smart & Biggar
Weyerhaeuser Company
LandOfFree
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