Metso Chemical Pulping Oy
Patent Applications and Registrations
Patent applications and USPTO patent grants for Metso Chemical Pulping Oy.The latest application filed is for "batch process for producing chemical pulp by removing and reintroducing calcium-containing spent liquor in the digester".
- Metso Chemical Pulping Oy - FI FI
| Patent | Date |
|---|---|
| Batch process for producing chemical pulp by removing and reintroducing calcium-containing spent liquor in the digester Grant 6,939,439 - Paakki , et al. September 6, 2 | 2005-09-06 |
| Method for avoiding mechanical damage of pulp Grant 6,719,878 - Svedman April 13, 2 | 2004-04-13 |
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