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Patent applications and USPTO patent grants for Piechuta; Peter A..The latest application filed is for "short oxygen delignification method".
Patent | Date |
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Short oxygen delignification method Grant 9,512,560 - Piechuta , et al. December 6, 2 | 2016-12-06 |
Dynamic Mixing Assembly With Improved Baffle Design App 20160121276 - Piechuta; Peter A. ;   et al. | 2016-05-05 |
Short Oxygen Delignification Method App 20160122945 - Piechuta; Peter A. ;   et al. | 2016-05-05 |
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