Xu; Eric Chao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Xu; Eric Chao.The latest application filed is for "multi-stage ap mechanical pulping with refiner blow line treatment".
- Xu; Eric Chao - Miamisburg OH
| Patent | Date |
|---|---|
| Multi-stage AP mechanical pulping with refiner blow line treatment Grant 8,216,423 - Xu July 10, 2 | 2012-07-10 |
| Four stage alkaline peroxide mechanical pulpings Grant 8,048,263 - Herkel , et al. November 1, 2 | 2011-11-01 |
| Multi-stage AP mechanical pulping with refiner blow line treatment App 20100263815 - Xu; Eric Chao | 2010-10-21 |
| Four stage alkaline peroxide mechanical pulpings App 20100186910 - Herkel; Martin ; et al. | 2010-07-29 |
| Multi-stage AP mechanical pulping with refiner blow line treatment App 20040069427 - Xu, Eric Chao | 2004-04-15 |
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