C22B 60/00
Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
C22B60/00 (Obtaining metals of atomic number 87 or higher, i.e. radioactive metals) appears on 707 US grants and 269 published applications in this corpus.
Search patents in C22B- Granted patents
- 707
- Published applications
- 269
- Assignees
- 366
- Inventors
- 1,512
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 18 | 0 |
| 1978 | 15 | 0 |
| 1979 | 8 | 0 |
| 1980 | 29 | 0 |
| 1981 | 54 | 0 |
| 1982 | 42 | 0 |
| 1983 | 44 | 0 |
| 1984 | 52 | 0 |
| 1985 | 18 | 0 |
| 1986 | 27 | 0 |
| 1987 | 23 | 0 |
| 1988 | 19 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 17 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 16 | 0 |
| 1997 | 14 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 0 |
| 2002 | 4 | 3 |
| 2003 | 3 | 7 |
| 2004 | 1 | 5 |
| 2005 | 7 | 2 |
| 2006 | 3 | 6 |
| 2007 | 5 | 6 |
| 2008 | 1 | 3 |
| 2009 | 5 | 6 |
| 2010 | 9 | 5 |
| 2011 | 2 | 3 |
| 2012 | 4 | 15 |
| 2013 | 5 | 14 |
| 2014 | 18 | 22 |
| 2015 | 11 | 20 |
| 2016 | 12 | 16 |
| 2017 | 14 | 11 |
| 2018 | 10 | 20 |
| 2019 | 13 | 11 |
| 2020 | 11 | 16 |
| 2021 | 9 | 15 |
| 2022 | 13 | 11 |
| 2023 | 12 | 13 |
| 2024 | 8 | 13 |
| 2025 | 8 | 14 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Processes for the recovery of uranium23 Jun 2026US 12,662,719 B2Ocp SA
- Recovery method of Ra-226, production method of Ra-226 solution, and Ac-225 solution production method of Ac-225 solution5 May 2026US 12,618,122 B2National Institutes for Quantum Science and Technology
- Systems, apparatus and methods for separating actinium, radium, and thorium28 Apr 2026US 12,614,645 B2The University of British Columbia
- Systems and processes for the recovery of 226 Ra from phosphogypsum17 Mar 2026US 12,577,637 B2DMT Co., Ltd.
- Method for numerical simulation of reactive transport during CO2+O2 in-situ leaching of uranium at sandstone-type uranium deposit24 Feb 2026US 12,559,821 B2Hohai University
- Functionalized resins for lithium capture20 Aug 2026US 2026/0242891 A1Board of Regents, The University of Texas System
- Selective separation of metals from mineral-rich concentrates6 Aug 2026US 2026/0226585 A1US Metals Refining Group, Inc.
- Method for removing the actinium contained in a rare earth solution with an organophosphorus solvent and rare earth compositions obtained by this method30 Jul 2026US 2026/0218335 A1Carester
- Process for liquid-liquid extraction of rare earths or actinides via synergistic combination of a co-solvent hydrotrope with anionic or chelating extractants11 Jun 2026US 2026/0159407 A1Centre National De La Recherche Scientifique
- Systems and processes for the recovery of 226ra from phosphogypsum4 Jun 2026US 2026/0152824 A1DMT Co., Ltd.
Most cited
By later US patents
- Surface-functionalized mesoporous carbon materials255US 9,249,241 B2UT-Battelle, LLC · 2016
- Method for reducing volume of a radioactive composition144US 5,202,100 AMolten Metal Technology, Inc. · 1993
- Method for producing a non-radioactive product from a radioactive waste119US 5,489,734 AMolten Metal Technology, Inc. · 1996
- Process for in-situ leaching of uranium88US 4,258,955 AMobil Oil Corporation · 1981
- Membrane hydro-metallurgical extraction process60US 3,957,504 AAllied Chemical Corporation · 1976