Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858180 | Process for inhibiting scale | Sridevi Narayan-Sarathy, Laurence G. Dammann | 2005-02-22 |
| 6620328 | Control of barium sulfate scaling | — | 2003-09-16 |
| 5562830 | Calcium carbonate scale controlling method | Preetha M. Prabhu | 1996-10-08 |
| 5468393 | Methods of controlling scale formation in the presence of metal ions in aqueous systems | Alexander D. Fisher | 1995-11-21 |
| 5368740 | Methods of controlling scale formation in the presence of metal ions in aqueous systems | Alexander D. Fisher | 1994-11-29 |
| 5320757 | Method of inhibiting calcium oxalate scale deposition | Alexander D. Fisher | 1994-06-14 |
| 5256253 | Methods for inhibiting barium sulfate deposition using a poly(amine)compound or its salts in papermaking systems | Alexander D. Fisher, David D. Dreisbach | 1993-10-26 |