Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9458392 | Hydrocarbon treatment process | Tiejun Zhang, K. Michael Hardy, Ignacio C. Bincaz, Tom Varadi | 2016-10-04 |
| 8900446 | Hydrocarbon treatment process | Tiejun Zhang, K. Michael Hardy, Ignacio C. Bincaz, Tom Varadi | 2014-12-02 |
| 8454824 | Single vertical tower for treating a stream of rich caustic containing mercaptan compounds | Tiejun Zhang | 2013-06-04 |
| 8308957 | Process for separating mercaptans from caustic | Tiejun Zhang | 2012-11-13 |