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Dongkook Pharmaceutical Co., Ltd.

Dongkook Pharmaceutical Co., Ltd. Patent applications
Patent application numberTitlePublished
20110200679METHOD FOR MANUFACTURING SUSTAINED RELEASE MICROSPHERE BY SOLVENT FLOW EVAPORATION METHOD - The present invention relates to a method for preparing a sustained-release microsphere which can control the long-term release of a drug. More particularly, as the preparation of a microsphere in which a drug is loaded in a carrier comprising a biodegradable polymer, the present invention relates to a method for preparing a sustained-release microsphere wherein a solvent intra-exchange evaporation method by means of co-solvent is used for suppressing the initial burst release of physiologically active substance, to release the physiologically active substance in the body continuously and uniformly.08-18-2011
20100272820Preparation Method of Sustained-Release Microcapsules Having Good Initial Burst Inhibiting Property and the Microcapsules Thereby - Disclosed is a method for preparing a longer sustained-release formulation containing bioactive substances. More particularly, the present invention provides a method for preparing longer sustained-release microcapsules comprising: adding an emulsion including bioactive substances, biocompatible polymer and polyvinylpyrrolidone to an aqueous solution.10-28-2010