Processing method of positive electrode active substance waste of lithium ion secondary battery
US-12243993-B2 · Mar 4, 2025 · US
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Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange
Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange · 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 | C01G45/01 |
| Official title | Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange |
| Display label | Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing mixed metal solution and method for producing mixed metal salt
US-2023193422-A1 · Jun 22, 2023 · US
Method for producing lithium-containing solution
US-2023174385-A1 · Jun 8, 2023 · US
Method for producing lithium hydroxide
US-2023079295-A1 · Mar 16, 2023 · US
Processing method of positive electrode active substance waste of lithium ion secondary battery
US-2022045375-A1 · Feb 10, 2022 · US
Method for producing lithium-containing solution
US-2022024776-A1 · Jan 27, 2022 · US
Processing method for lithium ion battery scrap
US-10807879-B2 · Oct 20, 2020 · US
Method of preparing core-shell structure nanoparticle using structure-guided combustion waves
US-10804043-B2 · Oct 13, 2020 · US
Method of recovering metal compounds from solid oxide fuel cell scrap
US-10651479-B2 · May 12, 2020 · US
Method of recovering metal compounds from solid oxide fuel cell scrap
US-2019245216-A1 · Aug 8, 2019 · US
Method of preparing core-shell structure nanoparticle using structure-guided combustion waves
US-2019198261-A1 · Jun 27, 2019 · US
Processing method for lithium ion battery scrap
US-2019084839-A1 · Mar 21, 2019 · US
Sulfonated aminomethylated chelate resins
US-9950320-B2 · Apr 24, 2018 · US
Sulfonated aminomethylated chelate resins
US-2017216833-A1 · Aug 3, 2017 · US