Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346627 | Method for removing metals from a fluid stream | Kristine S. Siefert, Pek L. Choo, John H. Collins | 1994-09-13 |
| 5338816 | Hydrophobic polyelectrolytes used in removing color | Manian Ramesh, Martha R. Finck, Kristine S. Siefert, Chandrashekar S. Shetty | 1994-08-16 |
| 5283306 | Hydrophobic polyelectrolytes used in removing color | Manian Ramesh, Martha R. Finck, Kristine S. Siefert, Chandrashekar S. Shetty | 1994-02-01 |