Claims
- 1. A therapeutic system for the transdermal administration of norethistereone-17-acetate of about 5 to 25 cm.sup.2 consisting of:
- (1) a closed outer layer which is impermeable to the active ingredient formulation,
- (2) a reservoir containing essential constituents of the active ingredient formulation and a control membrane,
- (3) an adhesive layer and
- (4) a peel-off protective layer on the adhesive layer,
- characterized in that the therapeutic system contains norethistereone-17-acetate and ethanol as the agent that enhances percutaneous absorption.
Priority Claims (1)
Number |
Date |
Country |
Kind |
1259/87 |
Apr 1987 |
CHX |
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Parent Case Info
This application is a continuation of application Ser. No. 467,090, filed Jan. 18, 1990, now abandoned, which is a continuation of application Ser. No. 172,883 filed Mar. 25, 1988, now U.S. Pat. No. 4,913,905.
US Referenced Citations (12)
Foreign Referenced Citations (2)
Number |
Date |
Country |
136011 |
Apr 1985 |
EPX |
196769 |
Oct 1986 |
EPX |
Continuations (2)
|
Number |
Date |
Country |
Parent |
467090 |
Jan 1990 |
|
Parent |
172883 |
Mar 1988 |
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