Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10202321 | Method of simultaneously preparing 1,1,1-trifluoro-2-chloropropene and 1,1,1,2-tetrafluoropropene using gas phase catalyst | Bong Seok Kim, Dong Hyuk Park, Su Jin Park, Jin An JUNG, Dae-Woo Kim | 2019-02-12 |
| 8952209 | Method and apparatus for continuously producing 1,1,1,2,3-pentafluoropropane with high yield | Jae Kug Ryu, Bong Seok Kim, Donghyun Kim, Byounghun Park, Su Jin Park +2 more | 2015-02-10 |
| 7504547 | Method of preparing perfluoroalkadiene | Hae-Seok Ji, Jae-Gug Ryu, Young Hoon Ahn, Bong Suk Kim, Dong Hyun Kim | 2009-03-17 |
| 7319174 | Dry-etching gas for semiconductor process and preparation method thereof | Hae-Seok Ji, Jae-Gug Ryu, Jong Yeol Yang, Young Hoon Ahn, Bong Suk Kim +1 more | 2008-01-15 |
| 6841705 | Method of producing difluoromethane | Iikubo Yuichi, Hae-Seok Ji | 2005-01-11 |
| 6162955 | Manufacturing method for perfluoroethane | Doo-Chan Na, Jae-Gug Ryu | 2000-12-19 |