Direct electrochemical extraction of lithium from ores
US-2026049409-A1 · Feb 19, 2026 · US
Leaching using electrochemical processes
Leaching using electrochemical 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 | C22B3/045 |
| Official title | {Leaching using electrochemical processes} |
| Display label | Leaching using electrochemical processes |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and electrochemical system for recycling spent lithium-ion battery
US-12553142-B2 · Feb 17, 2026 · US
Method for recovering active metal of lithium secondary battery
US-12545974-B2 · Feb 10, 2026 · US
Methods of recovering active materials from rare earth-containing materials, and related apparatuses
US-2025343291-A1 · Nov 6, 2025 · US
Direct electrochemical extraction of lithium from ores
US-12460309-B2 · Nov 4, 2025 · US
Spent battery materials recycling method
US-2025323335-A1 · Oct 16, 2025 · US
Methods of recovering active materials from rechargeable batteries, and related apparatuses
US-12388123-B2 · Aug 12, 2025 · US
Chemical free extraction of lithium from brine
US-2025230074-A1 · Jul 17, 2025 · US
Short process method for extracting precious metals by integrating thiosulfate electrochemical leaching and recovery
US-2025230520-A1 · Jul 17, 2025 · US
AN ELECTROCHEMICAL PROCESS FOR RECOVERING PLATINUM GROUP METALS (PGMs) FROM SOLID RESIDUES
US-2025188635-A1 · Jun 12, 2025 · US
Metal leaching process and apparatus
US-2025115975-A1 · Apr 10, 2025 · US
Direct electrochemical extraction of lithium from ores
US-2025109517-A1 · Apr 3, 2025 · US
Manufacturing method for battery material
US-2025038289-A1 · Jan 30, 2025 · US
Electrolytic atomic hydrogen decrepitation of rare-earth-containing materials
US-2024368790-A1 · Nov 7, 2024 · US
Method for processing alloy
US-2024318282-A1 · Sep 26, 2024 · US
Method and electrochemical system for recycling spent lithium-ion battery
US-2024279831-A1 · Aug 22, 2024 · US
Lithium ion battery materials recycling method
US-12057559-B2 · Aug 6, 2024 · US
Grade powders and sintered cemented carbide compositions
US-2024207929-A1 · Jun 27, 2024 · US
A process for precipitating particles of platinum group metals
US-2024175156-A1 · May 30, 2024 · US
System of recovering lithium precursor and method of recovering lithium precursor
US-2024167181-A1 · May 23, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B3/045?
- CPC C22B3/045 is the Cooperative Patent Classification code for “Leaching using electrochemical processes.”
- How many patents are filed under CPC C22B3/045 (Leaching using electrochemical processes)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C22B3/045 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).