Details for Patent: 5,032,207
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| Title: | One-step method for forming a pressure-sensitive adhesive transdermal drug device |
| Abstract: | A one step method and apparatus for forming a pressure sensitive adhesive transdermal drug device having a scored release liner which comprises positioning a web containing the release liner using a cutting die having a first cutting element designed to completely cut through the web to form the device and a second cutting element designed to cut only the release liner. |
| Inventor(s): | Sablotsky; Steven (Miami, FL), LaPrade; Ronald E. (Miami, FL) |
| Assignee: | Noven Pharmaceuticals, Inc. (Miami, FL) |
| Filing Date: | Sep 15, 1989 |
| Application Number: | 07/407,874 |
| Claims: | 1. A method of forming a transdermal drug delivery device having a drug-containing layer, having a scored release liner of one side thereof and having a backing on the other side thereof, said release liner being releasably adherable to said drug-containing layer, said method comprising the steps of: positioning a web containing said release liner, said drug-containing layer and said backing on a rigid support surface; and cutting said web with a cutting die, said cutting die having a first cutting element with a two-dimensional shape, to cut completely through said web to form a shaped device and having a second linear cutting element interior to the first cutting element, said second cutting element having a one-dimensional shape, and sized to cut only the release liner layer. |
