C22B 23/0484
In acidic type solutions
Official title: {in acidic type solutions}
C22B23/0484 (In acidic type solutions) appears on 42 US grants and 73 published applications in this corpus.
Search patents in C22B- Granted patents
- 42
- Published applications
- 73
- Assignees
- 63
- Inventors
- 191
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 3 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 0 | 3 |
| 2021 | 1 | 4 |
| 2022 | 2 | 4 |
| 2023 | 1 | 4 |
| 2024 | 6 | 14 |
| 2025 | 9 | 10 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrometallurgical recovery method for nickel sulfate26 May 2026US 12,637,736 B2Ecopro Materials Co., Ltd.
- Solvent extraction method using two-stage extraction for separation and recovery of nickel, cobalt, and manganese28 Apr 2026US 12,612,678 B2Ecopro Materials Co., Ltd.
- Process for preparing a high-purity nickel sulphate solution30 Dec 2025US 12,509,361 B2Umicore AG & Co. KG
- Method for reducing waste by recovering transition metals from lithium secondary battery21 Oct 2025US 12,451,533 B2SK Innovation Co., Ltd.
- Method for recycling lithium batteries9 Sep 2025US 12,412,941 B2Duesenfeld GmbH
- Treatment method of waste battery23 Jul 2026US 2026/0209888 A1Kemco
- Selective Acid Leaching of Mixed Hydroxide Precipitate11 Jun 2026US 2026/0159918 A1Solvay SA
- Recycling Of Nickel And/Or Lithium From Spent Cathodes Forming Battery Grade Material19 Mar 2026US 2026/0078468 A1
- Method for recycling lithium batteries19 Mar 2026US 2026/0081249 A1Duesenfeld GmbH
- Method for recovering metals19 Feb 2026US 2026/0049375 A1Jx Metals Circular Solutions Co., Ltd.
Most cited
By later US patents
- Nickel and cobalt recovery using continuous ion exchange23US 9,068,247 B2Dow Global Technologies LLC · 2015
- Method of ore processing19US 9,447,480 B2The University of Queensland · 2016
- Method for separating radioactive copper using chelating-ion exchange resin15US 8,647,595 B2Japan Atomic Energy Agency · 2014
- Method for producing aqueous solution containing nickel or cobalt4US 11,926,882 B1Kemco · 2024
- Removal of nickel from cobalt and manganese4US 4,228,091 AStandard Oil Company (Indiana) · 1980