C22B 23/0492
In ammoniacal type solutions
Official title: {in ammoniacal type solutions}
C22B23/0492 (In ammoniacal type solutions) appears on 9 US grants and 5 published applications in this corpus.
Search patents in C22B- Granted patents
- 9
- Published applications
- 5
- Assignees
- 10
- Inventors
- 28
- Latest grant
- 17 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the recovery of metals from a Li-containing starting material17 Dec 2024US 12,170,355 B2Umicore AG & Co. KG
- Process for the preparation of precursor compounds for lithium battery cathodes4 Jul 2023US 11,695,169 B2Umicore AG & Co. KG
- Method for production of metallic cobalt from the nickel solvent extraction raffinate9 Dec 2014US 8,906,220 B2
- Process for the separation of cobalt from nickel21 Nov 1995US 5,468,281 ASherritt Gordon Limited
- Process for cobalt recovery from mixed sulfides30 Aug 1983US 4,401,630 AInco Limited
- Novel separation methods10 Sep 2026US 2026/0265865 A1The Trustees of the University of Pennsylvania
- Method for reproducing positive electrode material11 Jun 2026US 2026/0163095 A1Prime Planet Energy & Solutions, Inc.
- Process for the preparation of battery precursors14 Jul 2022US 2022/0223933 A1Umicore AG & Co. KG
- Process for the preparation of precursor compounds for lithium battery cathodes7 Jul 2022US 2022/0216534 A1Umicore AG & Co. KG
- Method for production of metallic cobalt from the nickel solvent extraction raffinate15 Apr 2010US 2010/0089764 A1
Most cited
By later US patents
- Nickel-cobalt separation8US 3,933,976 AAmax Inc. · 1976
- Process for cobalt recovery from mixed sulfides7US 4,401,630 AInco Limited · 1983
- Process for the recovery of cobalt from its impure, aqueous, in particular nickel-bearing, solutions and catalyst therefor6US 4,208,380 AOutokumpu Oy · 1980
- Recovery of nickel and cobalt carbonates from ammoniacal leach solutions5US 4,002,719 AThe Lummus Company · 1977
- Process for the separation of cobalt from nickel4US 5,468,281 ASherritt Gordon Limited · 1995