Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761863 | Process for the removal of impurities from gas streams | Shuen-Cheng Hwang, Neeraj Saxena, Naresh J. Suchak, Lev Davydov, James K. Tseng +1 more | 2004-07-13 |
| 6649132 | Process for the removal of impurities from gas streams | Shuen-Cheng Hwang, Neeraj Saxena, Naresh J. Suchak | 2003-11-18 |
| 6387348 | Method for treating spent caustic streams | Thulasidas Chellppannair, James K. Tseng | 2002-05-14 |
| 6197091 | Ozone purification process | Wenchang Ji, Piotr J. Sadkowski | 2001-03-06 |
| 6197268 | Reduction of toxic substances in waste gas emissions | Shuen-Cheng Hwang, Neeraj Saxena, Mark H. Anderson | 2001-03-06 |
| 6190436 | Ozone purification process | Wenchang Ji, Arthur I. Shirley | 2001-02-20 |