C22B 23/0469
By chemical substitution
Official title: {by chemical substitution, e.g. by cementation}
C22B23/0469 (By chemical substitution) appears on 39 US grants and 32 published applications in this corpus.
Search patents in C22B- Granted patents
- 39
- Published applications
- 32
- Assignees
- 29
- Inventors
- 119
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 3 | 5 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 4 |
| 2019 | 4 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and its products for spent lithium-ion batteries treatment31 Mar 2026US 12,592,423 B2Tsinghua University
- Method for separating cobalt and nickel17 Mar 2026US 12,577,636 B2Mitsubishi Materials Corporation
- Processes and systems for purifying independent streams of manganese, nickel, and cobalt from lithium-ion battery waste streams3 Jun 2025US 12,322,770 B2Green Li-Ion Pte. Ltd.
- Adaptable processes and systems for purifying co-precipitated or independent streams of manganese, nickel, and cobalt from lithium-ion battery waste streams3 Jun 2025US 12,322,771 B2Green Li-Ion Pte. Ltd.
- Process for the recovery of metals from polymetallic nodules17 Dec 2024US 12,168,812 B2Umicore AG & Co. KG
- Method of recovering metal from battery waste9 Apr 2026US 2026/0100436 A1
- Processes And Systems For Purifying Independent Streams Of Manganese, Nickel, And Cobalt From Lithium-Ion Battery Waste Streams5 Jun 2025US 2025/0183399 A1Green Li-Ion Pte. Ltd.
- Processes and systems for purifying independent streams of manganese, nickel, and cobalt from lithium-ion battery waste streams27 Feb 2025US 2025/0070293 A1Green Li-Ion Pte. Ltd.
- Adaptable processes and systems for purifying co-precipitated or independent streams of manganese, nickel, and cobalt from lithium-ion battery waste streams27 Feb 2025US 2025/0070294 A1Green Li-Ion Pte. Ltd.
- A method for target metal removal via sulphide precipitation2 May 2024US 2024/0145805 A1Li-Cycle Corp.
Most cited
By later US patents
- Method for producing cobalt metal powder24US 4,348,224 AGTE Products Corporation · 1982
- Method for producing cobaltic hexammine compounds and cobalt metal powder23US 4,218,240 AGTE Products Corporation · 1980
- Method of recovering nickel from laterite ores18US 4,548,794 ACalifornia Nickel Corporation · 1985
- Process for recovering cobalt16US 4,278,463 AGTE Products Corporation · 1981
- Method for producing cobalt metal powder13US 4,214,895 AGTE Sylvania Incorporated · 1980