Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415873 | Method for preparing liquid rubber and liquid rubber prepared therefrom | Ji Hyun Choi, Gyeong Shin Choi, Won Hee Kim, Jong Yeol Baek | 2025-09-16 |
| 12325763 | Catalyst composition and method for preparing polyisobutene using the same | Dong Hyun Jo, Seong Beom Heo, Won Hee Kim, Jin Woo Lee, Gyeong Shin Choi | 2025-06-10 |
| 12319771 | Catalyst composition and method for preparing isobutene-isoprene copolymer using the same | Jeong Sik Kim, Gyeong Shin Choi, Won Hee Kim | 2025-06-03 |