CA2172401A1 - Transdermal therapeutic system with acetylsalicylic acid as active substance - Google Patents
Transdermal therapeutic system with acetylsalicylic acid as active substanceInfo
- Publication number
- CA2172401A1 CA2172401A1 CA002172401A CA2172401A CA2172401A1 CA 2172401 A1 CA2172401 A1 CA 2172401A1 CA 002172401 A CA002172401 A CA 002172401A CA 2172401 A CA2172401 A CA 2172401A CA 2172401 A1 CA2172401 A1 CA 2172401A1
- Authority
- CA
- Canada
- Prior art keywords
- active substance
- acetylsalicylic acid
- therapeutic system
- transdermal therapeutic
- matrix layers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Abstract
Transdermal therapeutic system comprising the active substance acetylsalicylic acid, having a layered structure consisting of a backing layer which is substantially impermeable to active substances and moisture and one or several active substance-containing matrix layers, which is characterized in that at least one of said matrix layers comprises acetylsalicylic acid in mainly crystalline form.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4332093.7 | 1993-09-22 | ||
DE4332093A DE4332093C2 (en) | 1993-09-22 | 1993-09-22 | Transdermal therapeutic system with the active ingredient acetylsalicylic acid and process for its preparation |
PCT/EP1994/003106 WO1995008330A1 (en) | 1993-09-22 | 1994-09-16 | Transdermal therapeutic system with acetylsalicylic acid as active substance |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2172401A1 true CA2172401A1 (en) | 1995-03-30 |
CA2172401C CA2172401C (en) | 2005-11-15 |
Family
ID=35520907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002172401A Expired - Fee Related CA2172401C (en) | 1993-09-22 | 1994-09-16 | Transdermal therapeutic system with acetylsalicylic acid as active substance |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2172401C (en) |
-
1994
- 1994-09-16 CA CA002172401A patent/CA2172401C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2172401C (en) | 2005-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20130917 |