Matrix-Controlled Transdermal Therapeutic System Based on an Adhesive for Administering Norelgestromin or the Combination Thereof with an Estrogen
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United States of America Patent
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Issued Date -
Nov 13, 2008
app pub date -
Jun 9, 2005
filing date -
Jun 11, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to a transdermal therapeutic system comprising an active-ingredient-impermeable top layer, an active-ingredient-containing matrix and a removable protective layer, the matrix comprising or consisting of norelgestromin and an optional oestrogen as active ingredients as well as also a pressure-sensitive hot-melt adhesive and optional auxiliaries.
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