Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11707697 | Dividing wall distillation column and method for refining vinylidene dichloride by using same | Shin Beom Lee | 2023-07-25 |
| 11219840 | Dividing wall distillation column and method for refining vinylidene dichloride by using same | Shin Beom Lee | 2022-01-11 |
| 10981081 | Distillation apparatus | Hyelim Yang, Geunsik Lim, Sungup Choi, Jaekyu Jang | 2021-04-20 |