Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Reexamination Certificate
2007-05-22
2011-12-13
Richter, Johann (Department: 1616)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Web, sheet or filament bases; compositions of bandages; or...
C424S484000, C424S640000, C514S282000
Reexamination Certificate
active
08075912
ABSTRACT:
The invention relates to a transdermal therapeutic system (TTS), preferably in the form of a transdermal plaster, that contains an active substance and an agent which can destroy the active substance. The TTS further includes a means of bringing the active substance, e.g. buprenorphine, and the agent, e.g. potassium permanganate, into contact when the TTS is removed from the skin of the patient, thereby causing the active substance to be destroyed.
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S. Kandavilli et al., “Polymers in Transdermal Drug Delivery Systems”, Pharmaceutical Technology, May 2002, pp. 62-80.
Hille Thomas
Hoffmann Hans-Rainer
Fisher Abigail
LTS Lohmann Therapie-Systeme AG
ProPat L.L.C.
Richter Johann
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