Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790339 | Crosslinked speek cation exchange membrane having improved chemical stability by radiation and method of preparing the same | Junhwa Shin, Joon Yong Sohn, Sun-Young Lee, Hyun Su Woo | 2017-10-17 |
| 4661468 | Catalyst for treatment and cleaning of exhaust fumes | Byong-Gon Lee, Chi S. Kim | 1987-04-28 |