C01F 13/00
Compounds of radium
C01F13/00 (Compounds of radium) appears on 18 US grants and 19 published applications in this corpus.
Search patents in C01F- Granted patents
- 18
- Published applications
- 19
- Assignees
- 20
- Inventors
- 38
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 3 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and processes for the recovery of 226 Ra from phosphogypsum17 Mar 2026US 12,577,637 B2DMT Co., Ltd.
- Systems and methods for generating radionuclides10 Mar 2026US 12,570,539 B2Perspective Therapeutics, Inc.
- 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.
- Systems and methods for producing elements from mixtures, storage/generation vessels, and storage/generation vessel assemblies4 Jun 2024US 11,999,628 B2Battelle Memorial Institute
- Method for producing 225Ac10 Jan 2023US 11,551,826 B2Nihon Medi-Physics Co., Ltd.
- Systems and processes for the recovery of 226ra from phosphogypsum4 Jun 2026US 2026/0152824 A1DMT Co., Ltd.
- Systems and methods for generating radionuclides8 Jan 2026US 2026/0008686 A1Perspective Therapeutics, Inc.
- Systems and processes for the recovery of 226ra from phosphogypsum1 Jan 2026US 2026/0002236 A1DMT Co., Ltd.
- Systems and methods for generating radionuclides4 Dec 2025US 2025/0368525 A1
- Sintered manganese spinel battery electrodes22 Aug 2024US 2024/0282941 A1University of Virginia Patent Foundation
Most cited
By later US patents
- Method for dissolving oilfield scale16US 7,470,330 B2M-1 Production Chemicals UK Limited · 2008
- Removal of radon from hydrocarbon streams15US 3,940,471 APhillips Petroleum Company · 1976
- Process for purifying rare-earth compositions using fractional sulfate precipitation11US 4,265,862 AEastman Kodak Company · 1981
- Processes for extracting radium from uranium mill tailings8US 4,654,200 A1987
- Process for producing a calcium sulfate product containing low amounts of radium7US 4,282,192 AOlin Corporation · 1981