Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653953 | Process for recovering elemental sulfur by selective oxidation of hydrogen sulfide | Kuo-Tseng Li, Wen-da Cheng | 1997-08-05 |
| 5597546 | Selective oxidation of hydrogen sulfide in the presence of bismuth-based catalysts | Kuo-Tseng Li, Wen-da Cheng | 1997-01-28 |