Yong Youn
Yong Youn Hwang, Gyeongge-Do KR
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20120123162 | TRANSDERMAL COMPOSITION COMPRISING TOLTERODINE - A transdermal composition comprising tolterodine having improved storage stability is disclosed. The transdermal composition comprising tolterodine contains an antioxidant to stabilize tolterodine and can be stored for a long period of time. | 05-17-2012 |
Yong Youn Hwang, Suwon KR
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20130224257 | METHOD FOR PREPARING MICROSPHERES AND MICROSPHERES PRODUCED THEREBY - The present invention relates to a method for preparing microsphere and microspheres produced thereby. The method comprises: mixing a water-insoluble organic solvent with a dispersion solvent; mixing a polymer compound, a drug and a water-insoluble organic solvent to prepare a dispersed phase; mixing the dispersed phase with the dispersion solvent mixed with the water-insoluble organic solvent to prepare an emulsion; and adding a base or an acid to the prepared emulsion. With the method, it is possible to prepare a drug-containing polymeric microsphere cost-effectively and conveniently. | 08-29-2013 |
Yong Youn Lee, Seoul KR
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20110187743 | TERMINAL AND METHOD FOR PROVIDING AUGMENTED REALITY - A first terminal shares a digital marker edited in a digital marker editing mode and an object corresponding to the edited digital marker with a second terminal using a wireless communication technology. If a digital marker is displayed on an image display unit of the first terminal, the second terminal photographs the digital marker using a camera, and synthesizes an object corresponding to the photographed digital marker with a real-time video image obtained through the camera to display a merged image as augmented reality. Then, the second terminal receives input information for changing the digital marker from a user, and transmits the received input information to the first terminal. The first terminal changes a digital marker using the input information received from the second terminal. The second terminal photographs the changed digital marker, and displays an object corresponding to the changed digital marker. | 08-04-2011 |