Recovery of nickel and cobalt from Li-ion batteries or their waste
US-12416065-B2 · Sep 16, 2025 · US
Refining
Refining · 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 | C22B23/06 |
| Official title | Refining |
| Display label | Refining |
| Total patents | 25 |
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 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy-efficient pyrometallurgical process for treating Li-ion batteries
US-12344917-B2 · Jul 1, 2025 · US
Metal recovery apparatus and metal recovery method
US-2024344168-A1 · Oct 17, 2024 · US
Energy-efficient pyrometallurgical process for treating li-ion batteries
US-2024258597-A1 · Aug 1, 2024 · US
Ferronickel alloy direct refining processes and processes for producing nickle sulfate or other nickel products
US-11873539-B2 · Jan 16, 2024 · US
Recovery of nickel and cobalt from Li-ion batteries or their waste
US-2023250511-A1 · Aug 10, 2023 · US
Method for producing mixed metal solution and method for producing mixed metal salt
US-2023193422-A1 · Jun 22, 2023 · US
Ferronickel alloy direct refining processes and processes for producing nickle sulfate or other nickel products
US-2023193423-A1 · Jun 22, 2023 · US
Recovery of nickel and cobalt from Li-ion batteries or their waste
US-11661638-B2 · May 30, 2023 · US
Recovery of nickel and cobalt from Li-ion batteries or their waste
US-2022403483-A1 · Dec 22, 2022 · US
Method for recovering nickel and cobalt from nickel, iron, and cobalt-containing raw material
US-2021130926-A1 · May 6, 2021 · US
Aqueous cobalt chloride solution refinement method
US-10501334-B2 · Dec 10, 2019 · US
Aqueous cobalt chloride solution purification method
US-10239764-B2 · Mar 26, 2019 · US
Process for the production of a PGM-enriched alloy
US-10202669-B2 · Feb 12, 2019 · US
Fluxing method to reverse the adverse effects of aluminum impurities in nickel-based glass-forming alloys
US-10006112-B2 · Jun 26, 2018 · US
Aqueous cobalt chloride solution purification method
US-2018148344-A1 · May 31, 2018 · US
Additive manufacturing process with metal chips produced by machining processes as feedstock
US-2018133804-A1 · May 17, 2018 · US
Aqueous cobalt chloride solution refinement method
US-2018134577-A1 · May 17, 2018 · US
Isotope displacement refining process for producing low alpha materials
US-9708689-B2 · Jul 18, 2017 · US
Alloy refining methods
US-9683273-B2 · Jun 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B23/06?
- CPC C22B23/06 is the Cooperative Patent Classification code for “Refining.”
- How many patents are filed under CPC C22B23/06 (Refining)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C22B23/06 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).