Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535957 | Method for producing polyacrylonitrile-based fiber and polyacrylonitrile-based copolymer used therein | Jeong Kyu Lee, Chang Hun Kim, In Young Song, Jeong Hun Cho, Jong Soo DO +1 more | 2022-12-27 |
| 11427659 | Method of preparing acrylonitrile-based polymer for producing carbon fiber | Chang Hun Kim, Hyun Min Kim, Jeong Hun Cho | 2022-08-30 |
| 11286580 | Method for producing acrylonitrile-based fiber | Sang Jin Kim, Chang Hong Bak, Hye Jin Han, Ki Yeon Jo, Jeong Hun Cho | 2022-03-29 |