B01D 61/463
Comprising the membrane sequence ac or ca, where c is a cation
Official title: {comprising the membrane sequence AC or CA, where C is a cation exchange membrane}
B01D61/463 (Comprising the membrane sequence ac or ca, where c is a cation) appears on 146 US grants and 235 published applications in this corpus.
Search patents in B01D- Granted patents
- 146
- Published applications
- 235
- Assignees
- 159
- Inventors
- 493
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 4 |
| 2005 | 0 | 1 |
| 2006 | 3 | 4 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 2 | 4 |
| 2011 | 1 | 2 |
| 2012 | 2 | 15 |
| 2013 | 1 | 2 |
| 2014 | 3 | 3 |
| 2015 | 5 | 8 |
| 2016 | 11 | 10 |
| 2017 | 7 | 11 |
| 2018 | 6 | 15 |
| 2019 | 8 | 16 |
| 2020 | 13 | 16 |
| 2021 | 12 | 17 |
| 2022 | 7 | 19 |
| 2023 | 12 | 23 |
| 2024 | 10 | 19 |
| 2025 | 13 | 23 |
| 2026 | 12 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Hybrid electrodialysis and electrolysis systems and processes23 Jun 2026US 12,662,401 B2Pani Clean, Inc.
- Ion exchange membrane8 Oct 2026US 2026/0307020 A1Khalifa University of Science and Technology
- Methods for carbon capture and metal recovery and related systems24 Sep 2026US 2026/0284595 A1Battelle Energy Alliance, LLC
- Electrodialyzer and Electrodialysis System for CO2 Capture from Ocean Water17 Sep 2026US 2026/0274718 A1California Institute of Technology
- Compositions of il-1r1 antibodies and methods of producing and using the same17 Sep 2026US 2026/0274974 A1Kiniksa Pharmaceuticals, GmbH
- Chemically enhanced electrodialysis (ceed): a universal platform for selective ion removal30 Jul 2026US 2026/0216660 A1Texas Tech University System
Most cited
By later US patents
- Membranes77US 4,217,200 AYeda Research and Development Co. Ltd. · 1980
- Helical electrodeionization apparatus48US 6,190,528 B12001
- CO2 utilization in electrochemical systems36US 8,357,270 B2Calera Corporation · 2013
- Mass-transfer membrane and processes using same30US 4,124,458 AInnova, Inc. · 1978
- Electrodialysis apparatus and process for fractionating protein mixtures28US 4,276,140 AIonics, Incorporated · 1981