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| Number | Title | Issue Date |
| 7122148 | Cooling water scale and corrosion inhibition A methods of the present invention for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica residuals (SiO2) are maintained in excess of 200 mg/L, and source water silica deposition is inhibited with silica accumulations... | 10/17/2006 |
| 6998092 | Cooling water scale and corrosion inhibition A methods for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica (SiO2) can be maintained at residuals below 200 mg/L, but more preferably maintained at greater than 200 mg/L as SiO2, without silica scale an... | 02/14/2006 |
