Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231781 | Refrigerant mixture comprising difluoromethane and 1,1,1-trifluoroethane | Byung Gwon Lee, Jong-Sung Lim, Young Soo Kwon, Dong Joo Mun | 2001-05-15 |
| 5981801 | Hydrogenation of aromatic diamines | Hoon Kim, Hyunjoo Lee, Sang-Hyun Seo, Dong Ju Moon | 1999-11-09 |
| 5723702 | Method for removing moisture from chlorodifluoro-methane | Young Soo Kwon, Kun You Park, Sang Deuk Lee | 1998-03-03 |
| 5723700 | Method for concurrently producing 1,1,1,2-tetrafluoroethane and pentafluoroethane | Byung Gwon Lee, Hoon Kim, Sang Deuk Lee, Moon Jo Chung | 1998-03-03 |
| 5672789 | Catalyst for fluorination of 1,1-dichloro-1-fluoroethane and process for the preparation of 1,1,1-trifluoroethane using the same | Hoon Kim, Byung Gwon Lee, Hyunjoo Lee | 1997-09-30 |
| 5659094 | Process for co-producing 1,1,1,2-tetrafluoroethane pentafluoroethane and 1,1,1-trifluoroethane | Hoon Kim, Byung Gwon Lee, Moon Jo Chung | 1997-08-19 |
| 5500400 | Catalyst for producing 1,1,1,2-tetrafluoroethane and method for preparing the same | Hoon Kim, Byung Gwon Lee, Kun You Park | 1996-03-19 |