A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 15/24 (2006.01) A61F 13/02 (2006.01) A61L 15/58 (2006.01) B32B 27/08 (2006.01) A61F 13/00 (2006.01)
Patent
CA 2092704
2092704 9204923 PCTABS00011 A skin covering material, e.g. for covering wounds, burns and the like, to protect them during the healing process, includes a tacky polymer complex layer (24) for adhesively contacting the skin, and a water vapour-permeable backing layer (22, 26) carrying the polymer. The polymer complex is produced by mixing together solutions of two hydrophilic polymers which are coprecipitatable, when mixed together, to form a water-insoluble complex. An example of a pair of such polymers is polyacrylic acid and polyethylene oxide. The assembly is suitably packaged in a sealed pouch (13) with high barrier properties towards water vapour and containing an atmosphere of high humidity.
Guillet James E.
Murray D. Gary
Medipro Sciences Limited
Ridout & Maybee Llp
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