B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/26 (2006.01) A61F 13/02 (2006.01) B32B 7/12 (2006.01)
Patent
CA 2626268
Medical dressings are disclosed that include multiple exposed pressure sensitive adhesives. One of the pressure sensitive adhesives includes a bioactive agent and is substantially contact transparent. In some embodiments, all of the adhesives are substantially contact transparent. Also provided are methods of manufacturing the medical dressings. By providing multiple exposed pressure sensitive adhesives, the pressure sensitive adhesive formulations can be varied to provide desired properties in different areas of the dressing. A pressure sensitive adhesive that exhibits relatively high tack to skin may be provided around the periphery of the dressing while a pressure sensitive adhesive incorporating a bioactive agent is provided in the center of the dressing.
Blatchford Todd A.
Heinecke Steven B.
Lucast Donald H.
Peterson Donald G.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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