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| Number | Title | Issue Date |
| 5110605 | Calcium polycarbophil-alginate controlled release composition and method A polymeric complex composition comprising a reaction complex formed by the interaction of a polycarbophil component with alginic acid or a salt thereof, said interaction being performed in the presence of a divalent cation and in the presence of an activ... | 05/05/1992 |
| 5102666 | Calcium polycarbophil controlled release composition and method Controlled release compositions comprising calcium polycarbophil and an active agent selected from the group consisting of medicinal agents, breath fresheners, and flavors, and a method of controlled release of such an active agent.... | 04/07/1992 |
