Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733673 | Method of dewatering sludge using enzymes | Jitendra Shah, Manian Ramesh | 2004-05-11 |
| 6733674 | Method of dewatering sludge using enzymes | Jitendra Shah, Manian Ramesh | 2004-05-11 |
| 5507914 | Process for enhancing the freeness of papermaking pulp | Hanuman P. Didwania | 1996-04-16 |
| 5501770 | Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking | Hanuman P. Didwania | 1996-03-26 |
| 5423946 | Cationic anionic polyelectrolytes for enhancing the freeness of paper pulp | David R. Cosper | 1995-06-13 |
| 5326479 | Treatment of pulp and paper wastewater with reducing agent and a polymer for color removal | Amy M. Tseng, John H. Collins | 1994-07-05 |
| 5256252 | Method for controlling pitch deposits using lipase and cationic polymer | Martha R. Finck | 1993-10-26 |
| 5169497 | Application of enzymes and flocculants for enhancing the freeness of paper making pulp | David R. Cosper | 1992-12-08 |