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US 2010/0166816 A1Published application
Tablet and device for the evaporation of volatile substances
AssigneeZobele Holding SPA
InventorAndrea Pedrotti
Life of this patent
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Abstract
The present invention refers to a tablet (1) for retaining a volatile substance in a liquid or solid state, such as a perfume and/or an insecticide. The tablet comprises at least a first and a second layers (2,4) of volatile substance retaining material, said first and second layers being spaced apart from each other at a selected distance, and wherein it further comprises a layer of impermeable material (3) joined to said layers and located in between said first and second layers.
Claims7
Tablet for evaporation of volatile substances comprising:
- at least a first and a second layer of volatile substance retaining material, said first and second layers being spaced apart from each other at a selected distance, and
- a layer of impermeable material joined to said layers and located in between said first and second layers.
Dependencies are inferred from the claim text.