Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861110 | Silica having high specific surface area and a narrow pore distribution | Paul C. Chieng, Alexander H. T. Chu | 1999-01-19 |
| 5158758 | Production of silica having high specific surface area | Paul C. Chieng, Alexander H. T. Chu | 1992-10-27 |