| 摘要 |
<p>The invention provides an apparatus for storing and dispensing a water dispersible substance, the apparatus comprising an outer container (2) and an inner container (10); wherein the outer container has an inlet and an outlet (8); the inner container has one or more openings through which water may pass and containing one or more dosage units comprising a water-swellable or water- soluble bioipolymer, which biopolymer has encapsulated therein a water dispersible substance; and the outer and inner containers are configured such that in use, when the inner container is disposed inside the outer container, water may be passed through the outer and inner containers to elute the water dispersible substance from the polymer thereby to provide a solution of the substance.</p> |
