Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11904278 | Electrodialysis stack | John H. Barber, Wojciech Gutowski, Yongchang Zheng | 2024-02-20 |
| 11484839 | Electrodialysis stack | John H. Barber, Wojciech Gutowski, Yongchang Zheng | 2022-11-01 |
| 10576424 | Ion exchange polymers and a method for making ion exchange polymers | Yan Gao, Kai Zhang, Yonghong Zhao | 2020-03-03 |
| 10486151 | Ion-exchange membrane with multi-layered support substrate | John H. Barber, Yongchang Zheng, Kai Zhang, Yonghong Zhao | 2019-11-26 |
| 10328426 | Ion exchange compositions, methods for making and materials prepared therefrom | Chakravarthy S Gudipati, Kai Zhang | 2019-06-25 |
| 10273338 | Ion exchange membranes prepared from crosslinked ion exchange polymer compositions | Kai Zhang, John H. Barber, Yongchang Zheng, Li May GOH, Yan Gao +1 more | 2019-04-30 |
| 10221289 | Ion exchange membranes containing inorganic particles | Kai Zhang, John H. Barber, Yongchang Zheng, Li May GOH, Yan Gao +1 more | 2019-03-05 |
| 9925534 | Ion exchange compositions, methods for making and materials prepared therefrom | Chakravarthy S Gudipati, Kai Zhang | 2018-03-27 |
| 9700850 | Ion exchange membranes containing inorganic particles | Kai Zhang, John H. Barber, Yongchang Zheng, Li May GOH, Yan Gao +1 more | 2017-07-11 |
| 9527757 | Supercapacitor desalination cells, devices and methods | Rihua Xiong, Wei Cai, John H. Barber, Chengqian Zhang, Keith J. Sims | 2016-12-27 |
| 9156933 | Cation exchange materials prepared in aqueous media | Chakravarthy S Gudipati | 2015-10-13 |
| 9073050 | Ion exchange compositions, methods for making and materials prepared therefrom | Chakravarthy S Gudipati, Kai Zhang | 2015-07-07 |
| 9048464 | Vacuum chamber method to form polymer coatings on porous support | John H. Barber, Hai Yang, Su Lu, Zhigang Deng, Xin Gao | 2015-06-02 |
| 8658241 | Simultaneous polymerization of two vinyl monomer mixtures to opposite faces of a flat porous substrate | Liping Zheng, John H. Barber, Hai Yang | 2014-02-25 |
| 8138291 | Anion exchange polymers, methods for making and materials prepared therefrom | Jack Peters | 2012-03-20 |
| 7968663 | Anion exchange polymers, methods for making and materials prepared therefrom | Jack Peters | 2011-06-28 |
| 7662267 | Device and method for electrodialysis | William W. Carson, Keith J. Sims, Oleg Grebenyuk, Thomas J. Susa, Hilda R. Zanapalidou +1 more | 2010-02-16 |
| 7591933 | Spiral electrodeionization device with segregated ionic flows | Vladimir Grebenyuk, Oleg Grebenyuk, Keith J. Sims, William W. Carson, Li Zhang | 2009-09-22 |
| 7306709 | Spiral electrodeionization device with flow distribution profiling | Vladimir Grebenyuk, Oleg Grebenyuk, Keith J. Sims, William W. Carson, Li Zhang | 2007-12-11 |
| 7087654 | Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers | James A. Lech | 2006-08-08 |
| 6410672 | Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers | James A. Lech | 2002-06-25 |
| 6126805 | Electrodialysis including filled cell electrodialysis (electrodeionization) | Bruce Batchelder, Irving D. Elyanow, Arthur L. Goldstein, Wayne A. McRae, Keith J. Sims +1 more | 2000-10-03 |
| 5814197 | Electrodialysis including filled cell electrodialysis (electrodeionization) | Bruce Batchelder, Irving D. Elyanow, Arthur L. Goldstein, Wayne A. McRae, Keith J. Sims +1 more | 1998-09-29 |
| 5503729 | Electrodialysis including filled cell electrodialysis (electrodeionization) | Irving D. Elyanow, Arthur L. Goldstein, Wayne A. McRae, Keith J. Sims, Li Zhang | 1996-04-02 |
| 5354903 | Polymers prepared from concentrated solutions of N',N'methylenebisacrylamide | — | 1994-10-11 |