Cho; Chul Woong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cho; Chul Woong.The latest application filed is for "surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same".
- Cho; Chul Woong - Jeonju Jeonbuk KR
| Patent | Date |
|---|---|
| Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same Grant 8,906,132 - Yun , et al. December 9, 2 | 2014-12-09 |
| Surface-modified Biomass, Preparation Method Thereof, And Method For Recovering Valuable Metals Using The Same App 20120036962 - Yun; Yeoung Sang ; et al. | 2012-02-16 |
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