Patent ID: 8178114

Claim:
A patch device for emitting one or more fragrance(s), comprising: a backing layer which is a barrier at least to the fragrance(s) carried by the patch device, a reservoir layer which is attached to the backing layer for absorbing and retaining a volume of one or more fragrances, and a cover layer for covering the reservoir layer when filled with the one or more fragrance(s), wherein the cover layer (a) is permeable to vapour from at least one fragrance, (b) is at least partly laterally offset or dislocated from the reservoir layer in a first position of the patch device in a location where the reservoir layer is free of fragrance, and (c) covers the reservoir layer in a second position, in which the volume of one or more fragrances has been delivered to the reservoir layer, wherein the cover layer is movable between the first and the second positions.