Issued Patents 1997
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679261 | Use of silicon containing polyelectrolytes in wastewater treatment | Ananthasubramanian Sivakumar | 1997-10-21 |
| 5643460 | Method for separating oil from water in petroleum production | Robert A. Marble, Norman Edward Byrne | 1997-07-01 |
| 5635112 | Hydrophobically-modified demulsifiers for oil-in-water systems | Ananthasubramanian Sivakumar | 1997-06-03 |
| 5624569 | Clarification of deinking process water | Daniel K. Chung, Karen R. Tubergen | 1997-04-29 |
| 5622647 | Dadmac/vinyl trialkoxysilane copolymers for dewatering in the mining industry | E. Michael Kerr | 1997-04-22 |
| 5601725 | Hydrophobically modified polymers for sludge dewatering | Daniel K. Chung, Chandrashekar S. Shetty | 1997-02-11 |
| 5597475 | DADMAC/vinyl trialkoxysilane copolymers for dewatering copper and taconite slurries in the mining industry | E. Michael Kerr | 1997-01-28 |
| 5597859 | Seed process for salt dispersion polymer | John R. Hurlock | 1997-01-28 |
| 5597858 | Hydrophobically associating dispersants used in forming polymer dispersions | Jeffrey R. Cramm, Darrell L. Werges, Christopher P. Howland | 1997-01-28 |
| 5597490 | DADMAC/vinyl trialkoxysilane copolymers for treatment of food processing wastes | Daniel K. Chung | 1997-01-28 |