Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9102555 | Method for removing phosphorus and nitrogen contained in sewage or wastewater using iron ore wastewater | Myung Eun Ju, Dae Sup Kil, Hee Dong Jang | 2015-08-11 |
| 8940179 | Method for preparing magnetite nanoparticles from low-grade iron ore using solvent extraction and magnetite nanoparticles prepared by the same | Dae Sup Kil, Hee Dong Jang | 2015-01-27 |
| 8815267 | Hybrid powder of halloysite nanotube and light-scattering nanoparticle, method for preparing the same, and UV-screening cosmetic composition containing the same as active ingredient | Myung Eun Ju, Dae Sup Kil, Sung Wook Cho | 2014-08-26 |
| 8540957 | Method for preparing microtubular halloysite nanopowders | Young Mi Heo, Dae Sup Kil, Sung Wook Cho | 2013-09-24 |
| 8512672 | Fabrication method of ZnO nano-particle and fabrication method of ZnO nano-fluid using thereof | Hyo-sook Lee, Dae Sup Kil, Kuk Cho | 2013-08-20 |
| 8337805 | Method for preparing magnetite nanoparticles from low-grade iron ore and magnetite nanoparticles prepared by the same | Myung Eun Ju, Dae Sup Kil, Hee Dong Jang | 2012-12-25 |
| 7550618 | Preparation of iron(II) acetate powder from a low grade magnetite | Hee Dong Jang, Dae Sup Kil, Kee Kahb Koo, Jae Kyeong Kim, Han-sang Oh | 2009-06-23 |