Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399838 | Process for preparing 2,6-dimethylphenol | Pang Yih Liu | 2002-06-04 |
| 6299851 | Method for oxidizing hydrogen sulfide to elemental sulfur | Ren-Hai Chi | 2001-10-09 |
| 6251359 | Method for oxidizing hydrogen sulfide to elemental sulfur | Ren-Hai Chi | 2001-06-26 |
| 5948382 | Selective oxidation of hydrogen sulfide in the presence of mixed-oxide catalyst containing iron, molybdenum and antimony | Chun-Hsiung Huang | 1999-09-07 |
| 5700440 | Selective oxidation of hydrogen sulfide in the presence of iron-based catalysts | Yen-Chun Ker | 1997-12-23 |
| 5653953 | Process for recovering elemental sulfur by selective oxidation of hydrogen sulfide | Min HUANG, Wen-da Cheng | 1997-08-05 |
| 5597546 | Selective oxidation of hydrogen sulfide in the presence of bismuth-based catalysts | Min HUANG, Wen-da Cheng | 1997-01-28 |