Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368830 | Scale control in gold and silver mining heap leach and mill water circuits using polyether polyamino methylene phosphonates | Nicholas J. Alfano | 1994-11-29 |
| 5232629 | Synergistic combination of sodium silicate and ortho-phosphate for controlling carbon steel corrosion | — | 1993-08-03 |
| 5182028 | Monofluorophosphate for calcium carbonate scale control and iron and manganese stabilization | Ann M. Sherbondy | 1993-01-26 |
| 5137657 | Synergistic combination of sodium silicate and orthophosphate for controlling carbon steel corrosion | — | 1992-08-11 |
| 5076941 | Monofluorophosphate solubility inhibitor for lead in potable water sources | Ann M. Sherbondy | 1991-12-31 |
| 4936987 | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers | Leonard J. Persinski, Jerry L. Walker | 1990-06-26 |
| 4798683 | Method for controlling corrosion using molybdate compositions | Susan P. Rey | 1989-01-17 |
| 4783267 | Method for stabilizing metal ions | Susan P. Rey | 1988-11-08 |
| 4693829 | Use of carboxylic acid/sulfonic acid copolymers as aluminum ion stabilizers | — | 1987-09-15 |
| 4640793 | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers | Leonard J. Persinski, Jerry L. Walker | 1987-02-03 |
| 4575425 | Process for controlling calcium oxalate scale over a wide pH range | John P. Farkas, Monica A. Yorke | 1986-03-11 |
| 4401587 | Aminomethylphosphonic acid and polymaleic anhydride combinations for treating corrosion | — | 1983-08-30 |
| 4297237 | Polyphosphate and polymaleic anhydride combination for treating corrosion | — | 1981-10-27 |
| 4206075 | Corrosion inhibitor | — | 1980-06-03 |