Patent References 3207824 3845770 3865108 3916899 Diester crosslinked polyglucan hydrogels and reticulated sponges thereof Apparatus for tracking moving workpiece by a laser beam Process for forming outlet passageways in pills using a laser Polymer emulsification process Osmotic system with distribution zone for dispensing beneficial agent Device using hydrophilic polymer for delivering drug to biological environment InventorsApplicationNo. 184478 filed on 04/21/1988US Classes:424/473With porous, perforated, apertured, or sieved layer (e.g., dialyzing layer, microporous layer, etc.)ExaminersPrimary: Cashion, Merrell C. Jr.Assistant: Horne, J. R. Attorney, Agent or FirmInternational ClassA61K 009/24AbstractA dosage form is disclosed comprising a cured emulsion that coat that surrounds a drug. The emulsion comprises a lower alkyl acrylate-lower alkyl methacrylate copolymer and ethyl cellulose. The emulsion optionally comprises a hydrophilic polymer. | |