Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769155 | Turbidity reduction | — | 1988-09-06 |
| 4750919 | Paint removal using oil-in-water emulsions | Robert R. Patzelt, Edwin C. Zuerner | 1988-06-14 |
| 4715962 | Ampholytic diallyldimethyl ammonium chloride (DADMAC) copolymers and terpolymers for water clarification | Bhupati R. Bhattacharyya, Sanjay R. Srivatsa | 1987-12-29 |