A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01) A61L 15/44 (2006.01) B01J 13/00 (2006.01)
Patent
CA 2555974
The present invention relates to dry delivery system comprising a xerogel or film with applied active ingredients for topical active ingredient delivery or other purposes. Said delivery system are obtainable by a method according to the invention. The present invention also provides for methods for achieving defined localization of stable or unstable active substances on dry xerogels or films, which can be reconstituted into hydrogels. From the obtained delivery systems, the active substances are released with advantageous release kinetics.
L'invention porte sur un système d'administration à sec comportant un xérogel ou un film contenant des principes actifs en vue de leur administration topique ou d'autres usages, ledit système étant obtenu par le procédé de l'invention. L'invention porte également sur des méthodes permettant la mise en place définie de substances actives stables ou instables sur des xérogels ou des films secs qui peuvent se reconstituer en hydrogels. De tels systèmes d'administration permettent de libérer les principes actifs selon une cinétique avantageuse.
Schmidt Roland
Stabenau Anke
Winter Gerhard
Bayer Innovation Gmbh
G. Ronald Bell & Associates
Ludwig-Maximilian-Universitaet
Switch Biotech Ag
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