Battery recycling by reduction and carbonylation
US-12412942-B2 · Sep 9, 2025 · US
carbonyl methods · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B23/065 |
| Official title | {carbonyl methods} |
| Display label | carbonyl methods |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12412942-B2 · Sep 9, 2025 · US
US-2024055681-A1 · Feb 15, 2024 · US
US-2023323507-A1 · Oct 12, 2023 · US
US-2023155202-A1 · May 18, 2023 · US