Issued Patents 1994
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338816 | Hydrophobic polyelectrolytes used in removing color | John W. Sparapany, Martha R. Finck, Kristine S. Siefert, Chandrashekar S. Shetty | 1994-08-16 |
| 5332507 | Recovery of oil from waste oil fluids | Michael L. Braden, Wayne M. Carlson, Ananthasubramanian Sivakumar | 1994-07-26 |
| 5330546 | Hydrophobic polyelectrolyte coagulants for concentrating coal tailings | Ram A. Venkatadri, Lawerence J. Connelly, Jeffrey R. Cramm | 1994-07-19 |
| 5330650 | Dispersion polymers for oil field water clarification | Norman Edward Byrne, Robert A. Marble | 1994-07-19 |
| 5314627 | Hydrophobic polyelectrolytes used in color removal | Chandrashekar S. Shetty, Martha R. Finck | 1994-05-24 |
| 5292793 | Hydrophobic polyelectrolytes used in color removal | Chandrashekar S. Shetty, Martha R. Finck | 1994-03-08 |
| 5283306 | Hydrophobic polyelectrolytes used in removing color | John W. Sparapany, Martha R. Finck, Kristine S. Siefert, Chandrashekar S. Shetty | 1994-02-01 |