Method for lithium recovery by extraction-stripping separation and purification
US-12480179-B2 · Nov 25, 2025 · US
Oximes
Oximes · 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 | C22B3/30 |
| Official title | Oximes |
| Display label | Oximes |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for recovering valuable metal
US-12319979-B2 · Jun 3, 2025 · US
Processing method of positive electrode active substance waste of lithium ion secondary battery
US-12243993-B2 · Mar 4, 2025 · US
Method for manufacturing battery material
US-2025046900-A1 · Feb 6, 2025 · US
Methods for extracting elements from a solution
US-12180561-B2 · Dec 31, 2024 · US
Method for recovering valuable metal
US-12084742-B2 · Sep 10, 2024 · US
Methods of obtaining water for downstream processes
US-2024010525-A1 · Jan 11, 2024 · US
Recovery of critical elements from end-of-life lithium ion batteries with supported membrane solvent extraction
US-11811035-B2 · Nov 7, 2023 · US
Methods for extracting Li and Ni from a solution
US-11713494-B2 · Aug 1, 2023 · US
Method for recovering valuable metal
US-2022127697-A1 · Apr 28, 2022 · US
Method for recovering valuable metal
US-2022098702-A1 · Mar 31, 2022 · US
Processing method of positive electrode active substance waste of lithium ion secondary battery
US-2022045375-A1 · Feb 10, 2022 · US
Method of pretreatment and bromine recovery of PCB incineration ash
US-11198615-B2 · Dec 14, 2021 · US
Reagent compositions for metal solvent extraction and methods of preparation and use thereof
US-2021381080-A1 · Dec 9, 2021 · US
Recovery of critical elements from end-of-life lithium ion batteries with supported membrane solvent extraction
US-2021376400-A1 · Dec 2, 2021 · US
Methods for extracting li and ni from a solution
US-2021130927-A1 · May 6, 2021 · US
Processing method for lithium ion battery scrap
US-10865462-B2 · Dec 15, 2020 · US
Processing method for lithium ion battery scrap
US-10807879-B2 · Oct 20, 2020 · US
A Method of Pretreatment and Bromine Recovery of PCB Incineration Ash
US-2020262712-A1 · Aug 20, 2020 · US
Renewable isoparaffins as diluent in hydrometallurgical liquid-liquid extraction process
US-10689728-B2 · Jun 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B3/30?
- CPC C22B3/30 is the Cooperative Patent Classification code for “Oximes.”
- How many patents are filed under CPC C22B3/30 (Oximes)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C22B3/30 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).