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Patent applications and USPTO patent grants for Sumida; Yuzo.The latest application filed is for "process for antistatic treatment of resin and antistatic resin composition".
Patent | Date |
---|---|
Process for antistatic treatment of resin and antistatic resin composition Grant 5,879,589 - Miyanaga , et al. March 9, 1 | 1999-03-09 |
Process for preparing highly reactive, water-absorptive resin Grant 4,727,097 - Kobayashi , et al. February 23, 1 | 1988-02-23 |
Absorptive material Grant 4,666,975 - Yamasaki , et al. May 19, 1 | 1987-05-19 |
Process for producing water-absorbent materials having excellent water absorption properties Grant 4,459,396 - Yamasaki , et al. July 10, 1 | 1984-07-10 |
Resin composition having resistance to hydrolysis Grant 4,081,493 - Kazama , et al. March 28, 1 | 1978-03-28 |
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