C22B 60/0291
Obtaining thorium
Official title: {obtaining thorium}
C22B60/0291 (Obtaining thorium) appears on 63 US grants and 43 published applications in this corpus.
Search patents in C22B- Granted patents
- 63
- Published applications
- 43
- Assignees
- 60
- Inventors
- 167
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 6 |
| 2017 | 3 | 3 |
| 2018 | 1 | 4 |
| 2019 | 2 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 1 |
| 2023 | 2 | 4 |
| 2024 | 4 | 3 |
| 2025 | 1 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, apparatus and methods for separating actinium, radium, and thorium28 Apr 2026US 12,614,645 B2The University of British Columbia
- Method for selective separation of thorium and cerium from a solid concentrate comprising same and one or more further rare earth metals and acidic rare earth solution thereof24 Feb 2026US 12,559,822 B2REEtec AS
- Dissolution process17 Feb 2026US 12,553,103 B2Watts & Fisher Pty Ltd
- Environmentally friendly polymeric sorbent material for the extraction and determination of rare earth elements, thorium, and uranium3 Feb 2026US 12,539,503 B2The University of Toledo
- Advanced beneficiation process for beneficiation, mobilization, extraction, separation, and concentration of mineralogical resources4 Nov 2025US 12,460,276 B2Advanced Fusion Systems LLC
- Selective separation of metals from mineral-rich concentrates6 Aug 2026US 2026/0226585 A1US Metals Refining Group, Inc.
- Method and system for the concentration of radium and actinium from dilute solutions12 Jun 2025US 2025/0191800 A1
- Processes and methods for recovering rare earth elements and scandium from acidic solutions5 Jun 2025US 2025/0179613 A1Niocorp Developments Ltd.
- Recovering rare earth elements8 May 2025US 2025/0146104 A1The Australian National University
- Advanced Beneficiation Process for Beneficiation, Mobilization, Extraction, Separation, and Concentration of Mineralogical Resources12 Sep 2024US 2024/0301531 A1Advanced Fusion Systems LLC
Most cited
By later US patents
- Method for induction melting reactive metals and alloys54US 4,738,713 AThe Duriron Company, Inc. · 1988
- Deoxidation of titanium and similar metals using a deoxidant in a molten metal carrier51US 4,923,531 ARMI Corporation · 1990
- Metal reduction process37US 4,032,328 AUniversity of Minnesota · 1977
- Deoxidation of a refractory metal35US 5,022,935 ARMI Titanium Company · 1991
- Metal or alloy forming reduction process and apparatus33US 4,687,632 A1987