Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656568 | Highly purified biogenic silica product | Jerome C. Shiuh, Scott K. Palm, Timothy R. Smith, George A. Nyamekye, Jeffrey D. Taniguchi | 1997-08-12 |
| 5611916 | Aqueous composition useful in ore flotation containing aliphatic amine | Janusz S. Laskowski | 1997-03-18 |