Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6566300 | Titania photocatalyst and its preparing method | Jin-Soo Hwang, Jong-San Chang, Ji-man Kim, Dae Sung Kim, Hee Seok Chai | 2003-05-20 |
| 6528031 | Method for preparing noble metal-supported zeolite catalyst for catalytic reduction of nitrogen oxide | Yong Ki Park, Jin Woo Lee, Chul Wee Lee, Jong-San Chang, Jung Kuk Cho | 2003-03-04 |