B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/195, 167/335
B32B 25/08 (2006.01) A61F 2/06 (2006.01) A61F 6/04 (2006.01) A61L 27/18 (2006.01) A61L 27/34 (2006.01) A61L 29/08 (2006.01) A61L 33/06 (2006.01) A61M 25/00 (2006.01) B05D 5/08 (2006.01) C08G 18/62 (2006.01) C08J 7/04 (2006.01)
Patent
CA 1109344
ABSTRACT OF THE DISCLOSURE A substrate is coated with a polyvinylpyrollidone- polyurethane interpolymer. In the method, a polyisocyanate and a polyurethane in a solvent such as methyl ethyl ketone are applied to a substrate and the solvent evaporated. If the substrate is a polyurethane, only the polyisocyanate need be employed. Polyvinylpyrollidone in a solvent is then applied to the treated substrate and the solvent evaporated The invention is applied, for example, to a tube such as a catheter, a condom and a peristaltic pump tube.
303351
Micklus Michael J.
Ou-Yang David T.
Biosearch Medical Products Inc.
Gowling Lafleur Henderson Llp
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