US Patent 7543707 Water soluble container

A filled water-soluble injection moulded container (1) containing a first composition (6) held in a first compartment (2) and a second composition (8) held in a second compartment (3), said first compartment (2) and said second compartment (3) being separated by a water-soluble barrier (4) having an opening (5) plugged by a plug (7) arranged such that when said container (1) is filled with said first composition (6) and said second composition (8), said first compartment (2) is filled through said opening (5) in said barrier (4), said barrier (4) is plugged with said plug (7), and subsequently said second compartment (3) is filled with said second composition (8) and said second compartment is sealed with a closure part (9).