Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Reexamination Certificate
2004-07-20
2010-12-28
Vu, Jake M. (Department: 1618)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Web, sheet or filament bases; compositions of bandages; or...
C424S447000
Reexamination Certificate
active
07858113
ABSTRACT:
The invention relates to a method for improving the permeability of the human skin in order to transdermally supply active substances, permeability being improved by means of a plaster that is transparent in at least some areas, contains active substance, and is flexible in at least some areas, and at least one external light source. According to said method, light that is emitted at least for a short period of time by an external light source and normally impinges at least some areas of the plaster is focused onto the stratum corneum of the skin with the aid of a plurality of individual focusing lenses which are integrated into the plaster so as to bring about changes in the stratum corneum, said changes improving the permeability of the skin. The inventive method for improving the permeability of the human skin allows for reproducible permeability for specific active substances.
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Frommer & Lawrence & Haug LLP
LTS Lohmann Therapie-Systeme AG
Vu Jake M.
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