Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500972 | Synthesis of TMBQ with transition metal-containing molecular sieve as catalysts | Soofin Cheng, Chia-Lung Tsai, Debasish Das | 2002-12-31 |
| 6180836 | Preparation of phenol via one-step hydroxylation of benzene catalyzed by copper-containing molecular sieve | Soofin Cheng | 2001-01-30 |