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Patent applications and USPTO patent grants for See-Toh; Yoong Hsiang.The latest application filed is for "asymmetric membranes for use in nanofiltration".
Patent | Date |
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Asymmetric membranes for use in nanofiltration Grant 8,894,859 - Livingston , et al. November 25, 2 | 2014-11-25 |
Asymmetric Membranes For Use In Nanofiltration App 20100038306 - Livingston; Andrew Guy ;   et al. | 2010-02-18 |
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