Title:
TRANSDERMAL THERAPEUTIC SYSTEMS COMPRISING PHOTOSENSITIVE ACTIVE SUBSTANCES
Document Type and Number:
WIPO Patent Application WO2002034200
Kind Code:
A3
Abstract:
The invention relates to transdermal therapeutic systems (TTS) whose structure consists of a polymer matrix, which contains active substances, and of a backing layer. The inventive systems comprise a content of at least one photosensitive active substance and are characterized in that said TTS contain at least one colorless substance. The colorless substance absorbs light in the UV region, does not have any inherent pharmacological action, is dispersed or dissolved in the polymer matrix of the TTS, and/or is homogeneously distributed in the backing layer of the TTS.
More Like This:
| JP2001031563 | MEDICAMENT-CONTAINING TAPING TAPE |
| JPS5462314 | POULTICE |
| JP7096591 | Percutaneous permeate administration device |
Inventors:
DEGEN ANJA (DE)
THEOBALD FRANK (DE)
THEOBALD FRANK (DE)
Application Number:
PCT/EP2001/012068
Publication Date:
January 30, 2003
Filing Date:
October 18, 2001
Export Citation:
Assignee:
LOHMANN THERAPIE SYST LTS (DE)
DEGEN ANJA (DE)
THEOBALD FRANK (DE)
DEGEN ANJA (DE)
THEOBALD FRANK (DE)
International Classes:
A61K9/70; A61K31/57; A61K47/08; A61K47/30; A61K47/32; A61K47/46; A61P5/34; (IPC1-7): A61K9/70
Domestic Patent References:
| WO1991009731A1 | 1991-07-11 | |||
| WO2001066077A1 | 2001-09-13 |
Foreign References:
| DE19912623A1 | 2000-09-28 | |||
| DE19753983A1 | 1999-06-10 | |||
| EP1129696A2 | 2001-09-05 |
Other References:
DATABASE WPI Section Ch Week 199540, Derwent World Patents Index; Class B02, AN 1995-307213, XP002212205
Download PDF: