Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12194431 | Chitosan-biochar composite fiber for effective removal of phosphorus from aqueous solutions, manufacturing method therefor, and phosphorus adbsorbent composition comprising same | Yong Sik OK, Yoo Ra Cho, Yoon E Choi, Palansooriya Kumuduni | 2025-01-14 |
| 8906132 | Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same | Yeoung-Sang Yun, Sung-Wook Won, Sun Beom Choi, Juan Mao, In-Seob Kwak +7 more | 2014-12-09 |