Product for the Targeted Release of Active Substances
OwnerMichael Roregerinventor
Life of this patent
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Abstract
The invention relates to a product for the targeted release of active substances, especially detergents and/or cosmetic active substances. The inventive product has a layer structure, one layer being impermeable to the active substance and another layer being permeable to the active substance. The two layers define a compartment between them which contains the active substance and optionally a gas-releasing component. The product is preferably suitable for single use and can be used as a cosmetic agent and/or as a cleaning agent.
Claims23
1-21. (canceled)
A product for the controlled release of at least one active substance, comprising a layer (1) that is essentially impermeable to the active substance, a compartment (A) containing at least one active substance, and a layer (2) that is permeable to the active substance, characterized in that layer (2) comprises a nonwoven laminate which has a hydrophilicity gradient.
A method for controlling the release of at least one active substance as cosmetic agent which comprises adding the product of claim to the at least one active substance.
A method for controlling the release of at least one active substance as cleaning agent which comprises adding the product of claim to the at least one active substance.
Dependencies are inferred from the claim text.