Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479701 | Method of preparing N,N′-disubstituted-3,3′-dithiodipropionamide and method of preparing substituted 3-isothiazolone by using the same | Seung Hwan Kim, Jin-Man Kim, Soon-Jong Hahn, Ki-Seung Choi, Myung-Ho Cho | 2002-11-12 |
| 6383379 | Method of preparing a microbial culture for wastewater treatment | Ki-Seung Choi, Jin-Man Kim, Myung-Ho Cho, Seung Hwan Kim | 2002-05-07 |