At least partially degradable films containing an active ingredient and method for the production of composition comprising an active compound
AssigneeAgfaPhoto GmbH
InventorGunter Helling
Life of this patent
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Abstract
A film which comprises at least one active compound and is at least partly degraded under the conditions of the site of action is suitable as a new presentation form of active compounds, in particular those having a pharmacological or biocidal action.
Claims23
Process for the production of a film which comprises at least one active compound and is at least partly degraded under the conditions of the site of action, the film comprising various layers which comprise at least one active compound in various concentrations, characterized in that the coating is carried out with a cascade or curtain coater.
Film which comprises an active compound and is at least partly degraded under the conditions of the site of action, the film comprising various layers which comprise at least one active compound in various concentrations, characterized in that the material forming the film is cured by application of a curing agent solution and/or the film is provided with non-degradable protective layers on both sides and/or the active compound is introduced in the form of a loaded latex and/or the film comprises a wetting agent in at least one of the layers.
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Dependencies are inferred from the claim text.