loadpatents
Patent applications and USPTO patent grants for Zheng; Yongchang.The latest application filed is for "multi-stage bipolar electrodialysis system for high concentration acid or base production".
Patent | Date |
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Bipolar electrodialysis methods and systems Grant 10,946,341 - Zheng , et al. March 16, 2 | 2021-03-16 |
Multi-stage Bipolar Electrodialysis System For High Concentration Acid Or Base Production App 20210069645 - ZHANG; Chengqian ;   et al. | 2021-03-11 |
Spiral Wound Bipolar Electrodialysis Cell App 20200070093 - XIA; Zijun ;   et al. | 2020-03-05 |
Electrodialysis Stack App 20200070095 - BARBER; John H. ;   et al. | 2020-03-05 |
Cation-exchange Polymer And Methods Of Production App 20200048421 - ZHANG; Kai ;   et al. | 2020-02-13 |
Ion Conductive Spacer, Preparing Process Thereof And Electrodialysis Reversal Stack App 20190358589 - LU; Wei ;   et al. | 2019-11-28 |
Ion-exchange membrane with multi-layered support substrate Grant 10,486,151 - Barber , et al. Nov | 2019-11-26 |
Ion Exchange Membranes Containing Inorganic Particles App 20190153176 - ZHANG; Kai ;   et al. | 2019-05-23 |
Ion exchange membranes prepared from crosslinked ion exchange polymer compositions Grant 10,273,338 - Zhang , et al. | 2019-04-30 |
Ion exchange membranes containing inorganic particles Grant 10,221,289 - Zhang , et al. | 2019-03-05 |
Bipolar Electrodialysis Methods And Systems App 20180154312 - ZHENG; Yongchang ;   et al. | 2018-06-07 |
Ion-exchange Membrane With Multi-layered Support Substrate App 20180043345 - BARBER; John H. ;   et al. | 2018-02-15 |
Ion Exchange Membranes Prepared From Crosslinked Ion Exchange Polymer Compositions App 20170355827 - ZHANG; Kai ;   et al. | 2017-12-14 |
Ion Exchange Membranes Containing Inorganic Particles App 20170266627 - ZHANG; Kai ;   et al. | 2017-09-21 |
Ion exchange membranes containing inorganic particles Grant 9,700,850 - Zhang , et al. July 11, 2 | 2017-07-11 |
Ion Exchange Membranes Containing Inorganic Particles App 20160067654 - ZHANG; Kai ;   et al. | 2016-03-10 |
Acid block anion membrane Grant 8,470,896 - Zheng , et al. June 25, 2 | 2013-06-25 |
Acid Block Anion Membrane App 20120165419 - Zheng; Yongchang ;   et al. | 2012-06-28 |
Production Line Treatment For Organic Product App 20080272001 - Zhang; Li ;   et al. | 2008-11-06 |
Bipolar membrane and method of making same App 20060173084 - Zheng; Yongchang ;   et al. | 2006-08-03 |
Production line and treatment for organic product App 20060169586 - Zhang; Li ;   et al. | 2006-08-03 |
Styrene sulfonate cation exchange membrane App 20010009967 - Lin, Juchui Ray ;   et al. | 2001-07-26 |
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