Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325763 | Catalyst composition and method for preparing polyisobutene using the same | Seong Beom Heo, Won Hee Kim, Jin Woo Lee, Gyeong Shin Choi, Hee Jeong Kim | 2025-06-10 |
| 12221458 | Organic borate-based catalyst, method for preparing isobutene oligomer using the same and isobutene oligomer prepared thereby | Gyeong Shin Choi, Ji Hyun Choi, Won Hee Kim, Jin Woo Lee, Jeong Sik Kim | 2025-02-11 |
| 12202924 | Method for separating polybutene | Woo Sung Hwang, Jeong-Seok Lee, Won Hee Kim, Hye Mi Kim, Gyeong Shin Choi | 2025-01-21 |