C22B 60/0278
By chemical methods
Official title: {by chemical methods (C22B60/0256, C22B60/026, C22B60/0265 take precedence)}
C22B60/0278 (By chemical methods) appears on 101 US grants and 31 published applications in this corpus.
Search patents in C22B- Granted patents
- 101
- Published applications
- 31
- Assignees
- 71
- Inventors
- 227
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 12 | 0 |
| 1984 | 14 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 5 |
| 2014 | 4 | 2 |
| 2015 | 3 | 2 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 4 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 3 | 1 |
| 2023 | 0 | 3 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for removing heavy metals in the manufacture of phosphoric acid11 Feb 2025US 12,221,343 B2Jesa Technologies LLC
- Method for recovering uranium from components contaminated with uranium oxide1 Nov 2022US 11,486,023 B2Framatome
- Processing for the extraction of rare earth elements31 May 2022US 11,345,977 B2Rare Element Resources Ltd.
- Method for collecting uranium by treatment process of washing waste liquid generated in uranium hexafluoride cylinder washing process29 Mar 2022US 11,289,233 B2Kepco Nuclear Fuel Co., Ltd.
- System and method for parallel solution extraction of one or more metal values from metal-bearing materials6 Oct 2020US 10,793,958 B2Freeport Minerals Corporation
- Recovering uranium from a uranyl nitrate solution9 Apr 2026US 2026/0098323 A1X-energy, LLC
- Recovering rare earth elements8 May 2025US 2025/0146104 A1The Australian National University
- Recovering uranium from a uranyl nitrate solution1 Feb 2024US 2024/0035119 A1X-energy, LLC
- Method for removing heavy metals in the manufacture of phosphoric acid16 Nov 2023US 2023/0365409 A1Jesa Technologies LLC
- Processing for the extraction of rare earth elements13 Apr 2023US 2023/0115288 A1Rare Element Resources Ltd.
Most cited
By later US patents
- Uranium recovery from wet-process phosphoric acid22US 4,180,545 ATennessee Valley Authority · 1979
- Recovery of fluorine, uranium and rare earth metal values from phosphoric acid by-product brine raffinate21US 3,937,783 AAllied Chemical Corporation · 1976
- Process for recovering niobium and/or tantalum metal compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals16US 4,451,438 AHerman C. Starck Berlin · 1984
- Purification and conversion of phosphoric acid to ammonium phosphates14US 4,236,911 ATennessee Valley Authority · 1980
- Process for selective recovery of uranium from sludge14US 6,010,671 ASiemens Power Corporation · 2000