Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355740 | Silicone-modified epoxy resin and its preparing method and silicone-modified epoxy resin composition | Jin YU, Deuk Sung Bac | 2002-03-12 |
| 5611932 | Method for the purification of reclaimed aqueous N-methylmorpholine N-oxide solution | Wha Seop Lee, Seong Mu Jo, Yong-Kil Hong | 1997-03-18 |
| 5584919 | Pelletized pre-dope granules of cellulose and tertiary amine oxide, spinning solution, of cellulose and process for making them | Wha Seop Lee, Seong Mu Jo, Ho Jae Kang, Dong-Bok Kim | 1996-12-17 |