Waterproof article and method of, making a waterproof article

B - Operations – Transporting – 32 – B

Patent

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154/135, 28/8, 2

B32B 27/12 (2006.01) A41D 31/00 (2006.01) A41D 31/02 (2006.01) B01D 67/00 (2006.01) B01D 69/14 (2006.01) B32B 5/18 (2006.01) B32B 33/00 (2006.01) C08J 9/26 (2006.01) C08J 9/42 (2006.01) D06N 3/00 (2006.01) D06N 7/00 (2006.01)

Patent

CA 1281625

Abstract An article which is rendered waterproof by a microporous membrane of a hydrophobic material, the pores of the membrane in a layer-like region on or towards a surface thereof being plugged with a hydrophilic material, leaving hydrophobic material exposed on the said surface between the pores.

545106

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