B01D 59/28
Separation by chemical exchange
B01D59/28 (Separation by chemical exchange) appears on 109 US grants and 50 published applications in this corpus.
Search patents in B01D- Granted patents
- 109
- Published applications
- 50
- Assignees
- 70
- Inventors
- 239
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 5 |
| 2014 | 1 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 3 | 0 |
| 2020 | 2 | 5 |
| 2021 | 5 | 4 |
| 2022 | 0 | 2 |
| 2023 | 3 | 2 |
| 2024 | 3 | 5 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of producing and refining carrier-free lutetium-177 using chromatography11 Aug 2026US 12,703,897 B2Korea Atomic Energy Research Institute
- Systems, apparatus and methods for separating actinium, radium, and thorium28 Apr 2026US 12,614,645 B2The University of British Columbia
- Method for purifying 226Ra-containing solution, method for producing 226Ra target, and method for producing 225Ac31 Dec 2024US 12,179,149 B2Nihon Medi-Physics Co., Ltd.
- Integrated rapid treatment system for nuclear medical radioactive wastewater and application method thereof24 Dec 2024US 12,176,119 B1Southwest University of Science and Technology
- Hydrogen isotope exchange methods and systems for organic and organosilicon materials14 May 2024US 11,981,613 B2Battelle Savannah River Alliance, LLC
- Lithium isotope separation method and lithium isotope separation device10 Jul 2025US 2025/0222402 A1Kyoto Fusioneering Ltd.
- Method and system for separating a tritiated heavy water stream into a tritium-lean heavy water stream and a tritium-enriched heavy water stream24 Oct 2024US 2024/0350973 A1
- Method of producing and refining carrier-free lutetium-177 using chromatography26 Sep 2024US 2024/0318283 A1Korea Atomic Energy Research Institute
- Deuterium recovery method and deuterium recovery equipment18 Jul 2024US 2024/0239655 A1Taiyo Nippon Sanso Corporation
- Removal of free-unlabeled cationic and anionic solution phase radionuclides from radiopharmaceuticals using solid-phase extraction techniques21 Mar 2024US 2024/0091705 A1Viewpoint Molecular Targeting, Inc.
Most cited
By later US patents
- Method of simultaneous concentration and dilution of isotopes48US 3,953,568 A1976
- Ordered bed packing module28US 4,471,014 AAtomic Energy of Canada Limited · 1984
- Apparatus for removal and recovery of tritium from light and heavy water25US 4,190,515 AAtomic Energy of Canada Limited · 1980
- Continuous displacement chromatographic separation22US 3,971,842 AAtlantic Richfield Company · 1976
- Boron isotope separation using continuous ion exchange chromatography20US 5,443,732 AWestinghouse Electric Corp. · 1995