B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 29/00 (2006.01) D21H 19/00 (2006.01)
Patent
CA 2519720
A bio-degradable paper board includes a paper board and a bio-degradable layer is coated to the paper board by extrusion-coating machine. The bio-degradable layer is a layer of Polylactic Acid (PLA), Polyethylene Terephthalate (PET) or corn starch.
Chang Hsi-Ching
R. William Wray & Associates
LandOfFree
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