ogyMicrocapsules of polysaccharide core and ionically interacting skin, polysaccharide-degrading enzymeUS4942129 *12 Jul 198817 Jul 1990Queen's University At KingstonCore of living tissue such as hybridoma or insect cells, a double polymer membranes to make a microcapsuleUS4950600 *13 Ene 198821 Ago 1990Kabushiki Kaisha KibunGelling with barium or strontium saltsUS4954443 *18 Nov 19884 Sep 1990The