B01D 59/30
By ion exchange
Official title: by ion exchange
B01D59/30 (By ion exchange) appears on 52 US grants and 25 published applications in this corpus.
Search patents in B01D- Granted patents
- 52
- Published applications
- 25
- Assignees
- 32
- Inventors
- 124
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 4 |
| 2021 | 4 | 3 |
| 2022 | 0 | 2 |
| 2023 | 3 | 2 |
| 2024 | 3 | 3 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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
- 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.
- Systems, apparatus and methods for separating actinium, radium, and thorium14 Dec 2023US 2023/0402200 A1The University of British Columbia
- Hydrogen isotope exchange methods and systems for organic and organosilicon materials20 Jul 2023US 2023/0227380 A1Battelle Savannah River Alliance, LLC
Most cited
By later US patents
- Method of simultaneous concentration and dilution of isotopes48US 3,953,568 A1976
- 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
- Separation of uranium isotopes using anion exchangers14US 4,112,045 AAsahi Kasei Kogyo Kabushiki Kaisha · 1978
- Redox uranium isotope separation using anion exchangers13US 4,118,457 AAsahi Kasei Kogyo Kabushiki Kaisha · 1978