Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762897 | Method for manufacturing hydroxylamine | Chin-Hsiung Chang, Albert Santo Stella, Wende M. Fisher, Mike Poole | 1998-06-09 |
| 5597545 | Recovery of HF from aqueous streams | Chin-Hsiung Chang | 1997-01-28 |