JA

Jun-Seong Ahn

SC Sk Holdings Co.: 3 patents #1 of 32Top 4%
Overall (2004): #26,368 of 270,089Top 10%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6803340 Catalyst for removing dioxin and preparation method thereof Sang Ho Lee, Jong Hyun Kim, Bong-Jea Kim 2004-10-12
6800585 Catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same Kyung II Choi, Sang Ho Lee, Choul Woo SHIN, Bong-Jea Kim 2004-10-05
6673740 Method for preparing a catalyst for reduction of nitrogen oxides Kyung Il Choi, Sang Ho Lee, Choul Woo SHIN, Jong Hyun Kim, Bong-Jea Kim 2004-01-06