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Patent applications and USPTO patent grants for Yano; Akito.The latest application filed is for "method for production of shaped hydrogel of absorbent resin".
Patent | Date |
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Method for production of shaped hydrogel of absorbent resin Grant 6,241,928 - Hatsuda , et al. June 5, 2 | 2001-06-05 |
Method of producing hydrophilic resin Grant 6,140,395 - Hatsuda , et al. October 31, 2 | 2000-10-31 |
Water-absorbent resin and method for production thereof Grant 6,107,358 - Harada , et al. August 22, 2 | 2000-08-22 |
Water absorbing agent, manufacturing method thereof, and manufacturing machine thereof Grant 6,071,976 - Dairoku , et al. June 6, 2 | 2000-06-06 |
Method of treating the surface of an absorbent resin Grant 5,140,076 - Hatsuda , et al. August 18, 1 | 1992-08-18 |
Method for production of absorbent polymer Grant 5,124,416 - Haruna , et al. June 23, 1 | 1992-06-23 |
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