The present invention relates to a containerization system comprising at least one inner water soluble bag located within an outer water insoluble bag. The inner water soluble bag contains an agrichemical that does not substantially dissolve the bag. The outer water insoluble bag is flexible and collapsible...http://www.google.es/patents/US5330047?utm_source=gb-gplus-sharePatente US5330047 - Packaging for agrichemicals
