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Patent applications and USPTO patent grants for Colombo; Gerald.The latest application filed is for "sulfate-selective anion exchange resins for use in combination with trss resins in feed water treatment".
Patent | Date |
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Method of making thermally regenerable salt sorbent resins Grant 7,294,654 - Johnson , et al. November 13, 2 | 2007-11-13 |
Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment Grant 7,235,180 - Johnson , et al. June 26, 2 | 2007-06-26 |
Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment App 20060054561 - Johnson; Roger E. ;   et al. | 2006-03-16 |
Thermally regenerable salt sorbents App 20050234200 - Johnson, Roger E. ;   et al. | 2005-10-20 |
Method of making thermally regenerable salt sorbent resins App 20050234141 - Johnson, Roger E. ;   et al. | 2005-10-20 |
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