SISTEMA TERAPEUTICO TRANSDERMICO SOLIDO CON ABSORBEDOR UV

• Main Authors: THOMAS LANGGUTH, STEFAN BRACHT
• Format: Patent
• Language: Spanish
• Published: 21.01.2008
• Subjects: HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

La invencion se refiere a un nuevo sistema terapeutico transdermico solido con absorbedor uv disenado especialmente para sustancias activas farmaceuticas sensible a la luz. El sitema terapeutico transdermico ( STT) estable a los rayos UV comprende una capa de base , al menos una matriz que contiene sustancia activa y una pelicula protectora desprendible donde opcionalmente se puede intercalar una capa adhesiva y una capa separadora entre la capa base y la matriz que contiene sustancia activa. A solid transdermal therapeutic system with UV absorber comprises at least three layers comprising a backing layer, at least one active ingredient-containing matrix, and a detachable protective film. Optionally an adhesive layer and a separating layer are present between the backing layer and the at least one active ingredient-containing matrix. The UV absorber comprises at least one hydroxyphenyltriazine compound and is embedded in the backing layer with minimum concentration, in the at least one active ingredient-containing matrix, or in the adhesive layer. ACTIVITY : Antiinfertility. No biological data given. MECHANISM OF ACTION : None given.