Abstract: A cartridge for a volatile composition dispenser includes (a) a first chamber including a first chamber opening and containing a first volatile composition; (b) a second chamber including a second chamber opening and containing a second volatile composition, where the second chamber is fluidly isolated from the first chamber; (c) a first breathable membrane covering the first chamber opening and having a first evaporation region through which the first volatile composition can evaporate; and (d) a second breathable membrane covering the second chamber opening and having a second evaporation region through which the second volatile composition can evaporate. A ratio between a surface area of the first evaporation region to a surface area of the second evaporation region is in a range of 1:1.3 to 1:6.

Abstract: An apparatus for delivering a volatile material includes a delivery engine. The delivery engine includes a reservoir containing a volatile material; and a microporous membrane enclosing said reservoir. The microporous membrane has a volume average pore diameter of from 0.065 ?m to 0.15 ?m.

Abstract: A volatile composition dispenser includes a housing having a first end and an opposing second end, the housing comprising a front frame and a rear frame that are capable of moving away from or toward each other for opening and closing the housing. The rear frame comprises one or more rib elements; and a cartridge configured to be positioned inside the housing. The cartridge includes a reservoir containing at least one liquid volatile composition and a sealing substrate for enclosing the reservoir. The rupture or removal of the sealing substrate enables evaporation of the at least one liquid volatile composition from the cartridge; and the rib elements are configured to apply a compressive force on the cartridge when the housing is in a closed state and the cartridge is positioned within the housing.

Abstract: A housing for volatile composition dispenser includes a front frame and a rear frame that are capable of moving away from or toward each other for opening and closing the housing. The front frame comprises a window configured to receive a part of the cartridge; at least a part of a perimeter of the window is bordered by a wall portion protruding from the window towards an interior of the housing, the wall portion configured to support the cartridge within the housing without adhesion; the rear frame comprises one or more apertures configured to allow an airflow into the housing; and the housing is configured to hold the cartridge between the front and rear frames so as to allow the volatile composition to evaporate from the cartridge.

Abstract: A consumer product includes an outer packaging; one or more cartridges containing a volatile composition; and instructions for using the one or more cartridges with a reusable housing. The one or more cartridges are packaged within the outer packaging, and each include: a reservoir for interfacing with the reusable housing, the reservoir containing a volatile composition in liquid form and having an opening; a membrane enclosing the opening of the reservoir, the membrane configured to allow evaporation of the volatile composition; and a sealing substrate enclosing the opening of the reservoir. The one or more cartridges are single-use cartridges for placing into the reusable housing; and the one or more cartridges are configured to be placed into the reusable housing without adhesion or attachment to the reusable housing.

Abstract: There is a volatile composition dispenser comprising a cartridge, a housing and an activation lever configured to be pivotable in relation to the housing. The activation lever is configurated to be pivotable between a first position and a second position to pierce a rupturable substrate of the cartridge to release at least one liquid volatile composition therefrom.

Abstract: A volatile dispensing device having a housing having opposing first and second walls that are joined along their peripheries to one another. Each of the first and second walls has at least one aperture and define a cavity for receiving a solid article having a volatile composition. A dispenser mount is located at a center of one of the first wall and the second wall and extending from an exterior surface of the one of the first wall and the second wall, wherein the dispenser mount has a planar mount surface and is characterized by a height greater than a thickness of the one of the first wall and the second wall.

Abstract: A hook for a volatile composition dispenser. The hook has a mounting portion for mounting the hook to a support in an interior space, and a body portion extending from the mounting portion. The body portion has a gripping portion and an aperture engaging portion adapted for releasably engaging at least one aperture in a housing of the dispenser. The body portion is characterized by a first width W1 at the gripping portion and a second width W2 at the aperture engaging portion, wherein a ratio of the first width W1 to the second width W2 is greater than 1.5:1.