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Patent applications and USPTO patent grants for Tomoyose; Tetsu.The latest application filed is for "powdered polycarboxylic acid-based cement dispersant and dispersant composition containing the dispersant".
Patent | Date |
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Cement dispersant and concrete composition containing the dispersant Grant 7,393,886 - Bandoh , et al. July 1, 2 | 2008-07-01 |
Powdered Polycarboxylic Acid-Based Cement Dispersant and Dispersant Composition Containing the Dispersant App 20080139701 - Danzinger; Wernher M ;   et al. | 2008-06-12 |
Cement dispersant and concrete composition contain the dispersant App 20070039515 - Bandoh; Hirofumi ;   et al. | 2007-02-22 |
Cement dispersant and concrete composition containing the dispersant Grant 6,680,348 - Amaya , et al. January 20, 2 | 2004-01-20 |
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