Method for recovering lithium precursor from waste lithium secondary battery positive electrode material
US-2023416103-A1 · Dec 28, 2023 · US
Obtaining manganese
Obtaining manganese · 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 | C22B47/00 |
| Official title | Obtaining manganese |
| Display label | Obtaining manganese |
| Total patents | 169 |
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 | 5 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 30 |
| 2024 | 36 |
| 2025 | 42 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Streamlined lithium-ion battery waste recycling
US-2023387490-A1 · Nov 30, 2023 · US
Wet process for recovering valuable metals from lithium battery
US-2023331571-A1 · Oct 19, 2023 · US
Method for producing mixed metal salt
US-2023312369-A1 · Oct 5, 2023 · US
Method of recovering cobalt and nickel
US-2023307735-A1 · Sep 28, 2023 · US
A process for recovering cobalt ion, nickel ion and manganese ion from metal-containing residues
US-2023304126-A1 · Sep 28, 2023 · US
Method for recovering active metal of lithium secondary battery
US-2023250507-A1 · Aug 10, 2023 · US
Process for recovering titanium dioxide
US-2023220516-A1 · Jul 13, 2023 · US
Process for the preparation of precursor compounds for lithium battery cathodes
US-11695169-B2 · Jul 4, 2023 · US
Method for recovering rare metal salt
US-2023202854-A1 · Jun 29, 2023 · US
Method for recovering active metal of lithium secondary battery
US-2023048057-A1 · Feb 16, 2023 · US
Method for recycling li-ion batteries
US-2022411896-A1 · Dec 29, 2022 · US
Process for the recovery of cathode materials in the recycling of batteries by removing aluminum and iron
US-11509000-B2 · Nov 22, 2022 · US
Method for preparing a cementing material using smelting industrial waste slag after utilizing the simultaneous removal of S02 and NOx in flue gas and application of the cementing material obtained by the same
US-11440842-B2 · Sep 13, 2022 · US
Lithium recovery method
US-11434545-B2 · Sep 6, 2022 · US
Process for the recovery of lithium and other metals from waste lithium ion batteries
US-2022251681-A1 · Aug 11, 2022 · US
Process for the preparation of battery precursors
US-2022223933-A1 · Jul 14, 2022 · US
Process for the preparation of precursor compounds for lithium battery cathodes
US-2022216534-A1 · Jul 7, 2022 · US
Recovering mixed-metal ions from aqueous solutions
US-2022205064-A1 · Jun 30, 2022 · US
Process for the recovery of cathode materials in the recycling of batteries
US-2022149452-A1 · May 12, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B47/00?
- CPC C22B47/00 is the Cooperative Patent Classification code for “Obtaining manganese.”
- How many patents are filed under CPC C22B47/00 (Obtaining manganese)?
- Our database includes 169 publications tagged with this CPC code.
- Is patent activity under CPC C22B47/00 growing?
- Publication counts under this code: 36 in 2024 vs 42 in 2025 (latest complete years).