A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 15/44 (2006.01) A61L 15/40 (2006.01) A61Q 1/06 (2006.01) A61Q 5/00 (2006.01) A61Q 19/00 (2006.01)
Patent
CA 2523365
The invention relates to materials that are to be applied to the skin, preferred materials being polymers, cosmetics, cleaning preparations, and cloths, pads, or dressings. Polyurethanes which are preferably provided with self-adhesive properties and have an antimicrobial effect are preferred as polymers. The combination of materials, especially polymeric materials such as polyurethane, and specific silver-containing glasses provides for moist wound healing while ensuring high product stability and high stability against discoloration of the wound dressing. The antimicrobial silver-containing glasses comprise 40 to 75 mole percent of P2O5, 35 to 55 mole percent of CaO, MgO, 0 to 5 mole percent of Na2O, K2O, 5 to 20 mole percent of SiO2, Al2O5, and 0.1 to 5 mole percent of Ag2O, the percentages being relative to the glass composition.
L'invention concerne des matières à appliquer ou à administrer sur la peau. Les matières utilisées de préférence sont les polymères, cosmétiques, préparations de nettoyage et toiles, tampons ou bandages. Les polymères utilisés de préférence sont les polyuréthanes idéalement à action autocollante et antimicrobienne. L'association de matières, notamment de matières polymères, par exemple de polyuréthane, et de certains verres argentifères procure une guérison humide de la plaie et garantit simultanément une grande stabilité du produit et une grande stabilité du pansement à la décoloration. Les verres argentifères d'action antimicrobienne ont la composition suivante : 40 - 75 % en mole de P205 ; 35 - 55 % en mole de CaO, MgO; 0- 5 % en mole de Na2o, K20, 5 -20 % en mole de Si02, Al205 et 0,1-5 % en mole de Ag20 par rapport à la composition de verre.
Berg Thorsten
Bogdahn Michael
Gaede Christian
Hartkopf Carsten
Jaenichen Jan
Beiersdorf Ag
Gowling Lafleur Henderson Llp
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