Recovery of nickel and cobalt from Li-ion batteries or their waste
US-12416065-B2 · Sep 16, 2025 · US
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from spent catalysts
from spent catalysts · 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 | C22B23/026 |
| Official title | {from spent catalysts} |
| Display label | from spent catalysts |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
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
Reclamation of metal from coked catalyst
US-2025066201-A1 · Feb 27, 2025 · US
Energy-efficient pyrometallurgical process for treating li-ion batteries
US-2024258597-A1 · Aug 1, 2024 · US
Recovery of nickel and cobalt from Li-ion batteries or their waste
US-2023250511-A1 · Aug 10, 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 valuable metals from spent lithium-ion-batterie
US-2022263147-A1 · Aug 18, 2022 · US
Process for separating and recovering metals
US-9809870-B2 · Nov 7, 2017 · US
Process for recovering metals from a stream rich in hydrocarbons and carbonaceous residues
US-9157033-B2 · Oct 13, 2015 · US