Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198001 | Manufacturing method for 4-nitrosoaniline from urea and nitrobenzene | Young J. Joo, Jin-Eok Kim, Jeong-Im Won | 2001-03-06 |
| 6156932 | Preparation of 4,4'-dinitrodiphenylamine from urea and nitrobenzene | Young J. Joo, Jin-Eok Kim, Jeong-Im Won | 2000-12-05 |
| 6137010 | Method for preparing 4-nitrodiphenylamine and 4-nitrosodiphenylamine from carbanilide | Young J. Joo, Jin-Eok Kim, Jeong-Im Won | 2000-10-24 |
| 5770774 | Method for preparing 2-methyl-1,4-naphthoquinone (vitamin K.sub.3) | Young J. Joo, Jin-Eok Kim, Jeong-Im Won | 1998-06-23 |
| 5723675 | Method for preparing anthraquinones | Young J. Joo, Jin-Eok Kim, Jeong-Im Won | 1998-03-03 |