| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | NTEC Solutions (Mt. Prospect; Ill) |
| PATENT CLAIMS |
- Providing vessel contg water-insoluble polymeric adsor ption medium having adsorption sites that are pyridyl-contg groups present as polymerized N-Me pyridinium groups - Introducing influent aq soln having As(V) (> 2 ppb) to vessel - Maintaining soln in contact with adsorber - Discharging aq compn contg As(V) (< 2 ppb) |
| PATENT PHOTOCOPY | Available on request |
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