Patent attributes
A method of storing a product that contains a volatile component within a fluid storage reservoir formed with enclosing walls having a permeability that permits limited passage of the volatile component from the storage reservoir to the atmosphere, preferably with the method increasing the shelf life of the product stored, and a fluid storage reservoir with a first container containing the fluid product to be dispensed including the volatile component and a second container containing a sacrifice material including the same volatile component with an intermediate transfer wall shared by both the first container and the second container for transfer of the volatile component between the first container and the second container. The product preferably is a surface cleaner or a hand sanitizer including 30 to 95% ethanol.
