Method for recycling the critical metals from spent lithium-ion batteries
US-2026035763-A1 · Feb 5, 2026 · US
in organic solutions
in organic solutions · 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 | C22B3/16 |
| Official title | in organic solutions |
| Display label | in organic solutions |
| Total patents | 62 |
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 | 5 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Geopolymer precursor preparation
US-2026015288-A1 · Jan 15, 2026 · US
Method for extracting a metal ion from an earth material
US-2026014493-A1 · Jan 15, 2026 · US
Electrochemical extraction of target cations from complex resources
US-2025361639-A1 · Nov 27, 2025 · US
Method of manufacturing positive electrode active material for rechargeable lithium battery and rechargeable lithium battery
US-2025309391-A1 · Oct 2, 2025 · US
Methods and systems for leaching a metal-bearing material
US-2025305088-A1 · Oct 2, 2025 · US
Battery recycling
US-2025253426-A1 · Aug 7, 2025 · US
Process for the recovery of lithium and other metals from waste lithium ion batteries
US-12312654-B2 · May 27, 2025 · US
Processing of Black Mass
US-2025154626-A1 · May 15, 2025 · US
Apparatus and methods for lithium, calcium, and magnesium extraction
US-2025154624-A1 · May 15, 2025 · US
A green process for the extraction of lanthanide elements
US-2024417826-A1 · Dec 19, 2024 · US
Battery recycling
US-12136713-B2 · Nov 5, 2024 · US
Method for recovering magnesium by using sediment and sulfuric acid generated in electrolytic chlorine generation system using seawater and brackish water
US-2024360536-A1 · Oct 31, 2024 · US
Method of leaching metal-containing materials
US-2024352553-A1 · Oct 24, 2024 · US
Metal recovery apparatus and metal recovery method
US-2024344168-A1 · Oct 17, 2024 · US
Efficient copper leaching using alkanesulfonic acids
US-12077834-B2 · Sep 3, 2024 · US
Methods for recovering metals from metal-containing materials
US-12049683-B2 · Jul 30, 2024 · US
Method for recycling lithium salts from batteries
US-2024186605-A1 · Jun 6, 2024 · US
A process for precipitating particles of platinum group metals
US-2024175156-A1 · May 30, 2024 · US
Separation method for separating constituent material from member and method for processing member
US-2024145802-A1 · May 2, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B3/16?
- CPC C22B3/16 is the Cooperative Patent Classification code for “in organic solutions.”
- How many patents are filed under CPC C22B3/16 (in organic solutions)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC C22B3/16 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).