Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034032 | Catalyst for dehydrogenating aromatic hydrocarbons with carbon dioxide | Jong-San Chang, Yong Ki Park, Min Seok Park, Chul Wee Lee, Jermim Noh | 2000-03-07 |
| 6028232 | Para-chlorination of aromatic compound | Jung Whan Yoo, Poong Man Lee | 2000-02-22 |
| 5972305 | Direct manufacturing method of hydrogen peroxide | Jung Whan Yoo, Woo Jin Lee, Jong-San Chang, Yong Ki Park, Chul Wee Lee | 1999-10-26 |
| 5879645 | Method for removing nitrogen oxides in exhaust gas by selective catalytic reduction and catalyst for reduction of nitrogen oxides | Gyung-Mi Kim, Yun Jo Lee, Jong-San Chang, Seong-Hee Han | 1999-03-09 |
| 5855815 | Process for producing a synthesis gas from carbon dioxide | Jong-San Chang, Kyu Wan Lee | 1999-01-05 |
| 4966970 | Process for manufacturing pyrazines | Young Kil Lee, Young Seog KWON | 1990-10-30 |