Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667697 | Colloidal silica/polyelectrolyte blends for natural water clarification | Kristine S. Salmen, Pek L. Choo, David Picco | 1997-09-16 |
| 5627228 | Flame-retardant resin composition | — | 1997-05-06 |
| 5620629 | Colloidal silica/polyelectrolyte blends for natural water clarification | Kristine S. Salmen, Pek L. Choo, David Picco | 1997-04-15 |