Lehto; Timo Kalevi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lehto; Timo Kalevi.The latest application filed is for "removing nitrates with an organic amine salt and ion exchange".
- Lehto; Timo Kalevi - Oulu SF
| Patent | Date |
|---|---|
| Removing nitrates with an organic amine salt and ion exchange Grant 3,983,222 - Lehto September 28, 1 | 1976-09-28 |
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