C22B 3/16
In organic solutions
Official title: in organic solutions
C22B3/16 (In organic solutions) appears on 234 US grants and 281 published applications in this corpus.
Search patents in C22B- Granted patents
- 234
- Published applications
- 281
- Assignees
- 253
- Inventors
- 873
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 4 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 2 |
| 2006 | 3 | 3 |
| 2007 | 1 | 2 |
| 2008 | 2 | 6 |
| 2009 | 1 | 4 |
| 2010 | 3 | 8 |
| 2011 | 4 | 5 |
| 2012 | 5 | 4 |
| 2013 | 3 | 4 |
| 2014 | 3 | 12 |
| 2015 | 3 | 8 |
| 2016 | 9 | 17 |
| 2017 | 8 | 9 |
| 2018 | 9 | 12 |
| 2019 | 12 | 12 |
| 2020 | 13 | 10 |
| 2021 | 6 | 12 |
| 2022 | 6 | 19 |
| 2023 | 9 | 26 |
| 2024 | 11 | 33 |
| 2025 | 9 | 35 |
| 2026 | 15 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective recovery of Li18 Aug 2026US 12,709,786 B2Gelion Technologies Pty Ltd
- Carbonation and selective leaching for the recovery of metals11 Aug 2026US 12,703,894 B2Phoenix Tailings, Inc.
- Process of extraction of lithium from a material comprising lithium and at least another metal23 Jun 2026US 12,662,718 B2Centre National De La Recherche Scientifique
- Process for extracting a metal of interest from a mineral substrate26 May 2026US 12,637,734 B2Cemvita Factory, Inc.
- Methods and systems for leaching a metal-bearing material26 May 2026US 12,637,735 B2Freeport Minerals Corporation
- Process for the extraction of a by-product metal from a mineral concentrate8 Oct 2026US 2026/0308710 A1
- Process for extracting nickel from gasifier slag24 Sep 2026US 2026/0285702 A1Reliance Industries Limited
- Extraction of radium from phosphogypsum17 Sep 2026US 2026/0275454 A1The Florida State University Research Foundation, Inc.
- Method for leaching rock metal component, method for storing carbon dioxide underground, and method for fixing carbon dioxide17 Sep 2026US 2026/0275851 A1Tohoku University
- Method For Treating Phosphate Ores Containing Heavy Metals By Reverse Flotation13 Aug 2026US 2026/0234747 A1Ocp SA
Most cited
By later US patents
- Process for the reduction of metallic compounds by polyols, and metallic powders obtained by this process101US 4,539,041 AUniversite Paris VII · 1985
- Supercritical fluid extraction80US 5,356,538 AIdaho Research Foundation, Inc. · 1994
- Extraction of metals using supercritical fluid and chelate forming legand71US 5,730,874 AIdaho Research Foundation, Inc. · 1998
- Methods and devices for the separation of radioactive rare earth metal isotopes from their alkaline earth metal precursors59US 5,225,173 AIdaho Research Foundation, Inc. · 1993
- Hydroxamic acid crown ethers58US 5,274,129 AIdaho Research Foundation, Inc. · 1993