1
Hans P Merkle, Klaus Nagels, Dietrich Schacht, Hans Michael Wolff: Active ingredient patch for low-melting and/or volatile active ingredients. Schwarz Pharma, Marshall O Toole Gerstein Murray & Borun, June 18, 1996: US05527536 (14 worldwide citation)

The invention concerns a patch for the controlled release of readily available volatile active substances to the skin, the patch comprising a back layer and, bonded to it, a water-insoluble adhesive film consisting of a pressure-sensitive fusion adhesive, plus a detachable film covering the adhesive ...


2
Hans P Merkle, Klaus Nagels, Dietrich Schacht, Hans Michael Wolff: Active ingredient patch for low-melting and/or volatile active ingredients. Schwarz Pharma, Marshall O Toole Gerstein Murray & Borun, February 18, 1997: US05603948 (2 worldwide citation)

A method of preparing a patch for the controlled release of readily available volatile active substances to the skin is disclosed. The patch comprises a back layer, and, bonded to the back layer, a water-insoluble adhesive film consisting of a pressure-sensitive fusion adhesive, plus a detachable fi ...