Drug dispensing device for transdermal delivery of medicaments
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United States of America Patent
Stats
-
Jun 23, 1987
Issued Date -
N/A
app pub date -
Mar 31, 1986
filing date -
Nov 7, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible, liquid-absorbing, adhesive skin reservoir includes a backing element and a substrate attached to the backing element. The substrate comprises a homogeneous, hydrophilic, stable matrix including a solid phase formed of a synthetic polymer and/or a long chain natural or synthetic polysaccharide, or a combination thereof. The liquid phase of the matrix consists of water, hydric alcohol, carbohydrates and/or proteins in an aqueous solution, and/or a combination thereof. The matrix contains a medicament therein for release to the affected areas for local and/or systemic medicinal effect.
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