C22B 60/0221
By leaching
Official title: {by leaching}
C22B60/0221 (By leaching) appears on 167 US grants and 81 published applications in this corpus.
Search patents in C22B- Granted patents
- 167
- Published applications
- 81
- Assignees
- 120
- Inventors
- 390
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 12 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 9 | 0 |
| 1985 | 2 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 4 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 4 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 4 |
| 2014 | 5 | 3 |
| 2015 | 2 | 10 |
| 2016 | 5 | 4 |
| 2017 | 4 | 6 |
| 2018 | 6 | 9 |
| 2019 | 7 | 5 |
| 2020 | 4 | 5 |
| 2021 | 4 | 3 |
| 2022 | 6 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 5 |
| 2025 | 0 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Dissolution process17 Feb 2026US 12,553,103 B2Watts & Fisher Pty Ltd
- Electrokinetic device and method for in-situ leaching of uranium17 Dec 2024US 12,168,813 B2University of South China
- Uranium processing using hydrocyclone beneficiation6 Aug 2024US 12,054,806 B2Uranium Beneficiation Pty Ltd
- System and methods for in situ recovery and processing of recovered solutions11 Jul 2023US 11,697,914 B2Denison Mines Corp.
- Recovering uranium from a uranyl nitrate solution9 Apr 2026US 2026/0098323 A1X-energy, LLC
- Process for selectively capturing chemical elements from a polymetallic sample26 Feb 2026US 2026/0055006 A1Centre National De La Recherche Scientifique
- One-step method for electrokinetic uranium extraction and separation from sandstone-type uranium deposit5 Feb 2026US 2026/0035822 A1Guangzhou Institute of Geochemistry, Chinese Academy of Sciences
- Efficient multiphase-flow graded-separation, concentration, and purification system for argillaceous sandstone uranium ore27 Nov 2025US 2025/0361583 A1Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Method for irrigating a porous substrate using a foam, and the uses thereof28 Aug 2025US 2025/0270669 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Process for in-situ leaching of uranium88US 4,258,955 AMobil Oil Corporation · 1981
- In situ carbonate leaching and recovery of uranium from ore deposits34US 4,155,982 AWyoming Mineral Corporation · 1979
- Recovering mineral values from ores32US 4,880,607 APhillips Petroleum Company · 1989
- Process for recovery of mineral values from underground formations30US 4,105,253 AUnion Oil Company of California · 1978
- Acid preinjection to decrease instantaneous acid consumption in in-situ mining29US 4,043,599 AKennecott Copper Corporation · 1977