Issued Patents 2025
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415873 | Method for preparing liquid rubber and liquid rubber prepared therefrom | Ji Hyun Choi, Gyeong Shin Choi, Jong Yeol Baek, Hee Jeong Kim | 2025-09-16 |
| 12344699 | Method for halogenating isobutene-isoprene copolymer | Jong Yeol Baek, Moon Gon Jeong, Gyeong Shin Choi | 2025-07-01 |
| 12325763 | Catalyst composition and method for preparing polyisobutene using the same | Dong Hyun Jo, Seong Beom Heo, Jin Woo Lee, Gyeong Shin Choi, Hee Jeong Kim | 2025-06-10 |
| 12319771 | Catalyst composition and method for preparing isobutene-isoprene copolymer using the same | Jeong Sik Kim, Hee Jeong Kim, Gyeong Shin Choi | 2025-06-03 |
| 12221458 | Organic borate-based catalyst, method for preparing isobutene oligomer using the same and isobutene oligomer prepared thereby | Gyeong Shin Choi, Ji Hyun Choi, Jin Woo Lee, Dong Hyun Jo, Jeong Sik Kim | 2025-02-11 |
| 12202924 | Method for separating polybutene | Woo Sung Hwang, Jeong-Seok Lee, Hye Mi Kim, Gyeong Shin Choi, Dong Hyun Jo | 2025-01-21 |