Method of recovering transition metal from lithium secondary battery
US-2024413419-A1 · Dec 12, 2024 · US
Leaching processes
Leaching processes · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B23/0407 |
| Official title | {Leaching processes} |
| Display label | Leaching processes |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 14 |
| 2025 | 8 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of leaching metal-containing materials
US-2024352553-A1 · Oct 24, 2024 · US
Process for recycling lithium ion battery materials
US-2024347801-A1 · Oct 17, 2024 · US
Environmentally-Friendly Compositions and Methods for Extracting Minerals and Metals from Ore
US-2024318278-A1 · Sep 26, 2024 · US
Production method for cobalt sulfate
US-2024228320-A1 · Jul 11, 2024 · US
Leaching agent composition and method of removing metal from catalyst material
US-2024175105-A1 · May 30, 2024 · US
Method for recycling hydrophobic deep eutectic solvent and nickel leaching method
US-2024076548-A1 · Mar 7, 2024 · US
Method for reducing waste by recovering transition metals from lithium secondary battery
US-2024030510-A1 · Jan 25, 2024 · US
Method for producing a catalyst comprising at least one group vib metal, at least one group viiib metal and a carrier based on oxide(s)
US-2024009655-A1 · Jan 11, 2024 · US
Wet process for recovering valuable metals from lithium battery
US-2023331571-A1 · Oct 19, 2023 · US
Method for recovering active metal of lithium secondary battery
US-2023307734-A1 · Sep 28, 2023 · US
Method for leaching nickel from nickel ore and method for producing nickel sulfate
US-2023257282-A1 · Aug 17, 2023 · US
Method for separating copper, and nickel and cobalt
US-11718894-B2 · Aug 8, 2023 · US
Method of separating and recovering cobalt salt and nickel salt
US-2023219040-A1 · Jul 13, 2023 · US
Alkaline Oxidation Process and Device for Treating Refractory Sulfide Ore, in Particular Refractory Gold Ore
US-2023128925-A1 · Apr 27, 2023 · US
Method for treating alloy
US-2023071697-A1 · Mar 9, 2023 · US
Process for the recovery of lithium and other metals from waste lithium ion batteries
US-2022251681-A1 · Aug 11, 2022 · US
Battery recycling by treatment of the leach with metallic nickel
US-2022136084-A1 · May 5, 2022 · US
Battery recycling by hydrogen gas injection in leach
US-2022010407-A1 · Jan 13, 2022 · US
Processes for extracting metals from lithium-ion batteries
US-2021395859-A1 · Dec 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B23/0407?
- CPC C22B23/0407 is the Cooperative Patent Classification code for “Leaching processes.”
- How many patents are filed under CPC C22B23/0407 (Leaching processes)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC C22B23/0407 growing?
- Publication counts under this code: 14 in 2024 vs 8 in 2025 (latest complete years).