Process for preparing a high-purity nickel sulphate solution
US-2024417274-A1 · Dec 19, 2024 · US
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Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01G53/003 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 5 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for Regenerated Raw Materials from Waste Cadmium Nickel Battery Based on Solvent Extraction
US-2024274906-A1 · Aug 15, 2024 · US
Nickel-iron wet treatment method and application thereof
US-12006227-B2 · Jun 11, 2024 · US
Method for preparing nickel sulfate from nickel-iron-copper alloy
US-11952289-B2 · Apr 9, 2024 · US
Nickel-iron wet treatment method and application thereof
US-2024034639-A1 · Feb 1, 2024 · US
Method for preparing nickel sulfate from nickel-iron-copper alloy
US-2023399240-A1 · Dec 14, 2023 · US
Method for leaching nickel from nickel ore and method for producing nickel sulfate
US-2023257282-A1 · Aug 17, 2023 · US
Method for producing mixed metal solution and method for producing mixed metal salt
US-2023193422-A1 · Jun 22, 2023 · US
Separation of Radiometals
US-2022118379-A1 · Apr 21, 2022 · US
Processing method for lithium ion battery scrap
US-10807879-B2 · Oct 20, 2020 · US
Method of recovering metal compounds from solid oxide fuel cell scrap
US-10651479-B2 · May 12, 2020 · US
Simple approach for preparing post-treatment-free solution processed non-stoichiometric NiOx nanoparticles as conductive hole transport materials
US-10604419-B2 · Mar 31, 2020 · US
Method for producing solutions containing nickel or cobalt
US-10577255-B2 · Mar 3, 2020 · US
Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
US-2020048736-A1 · Feb 13, 2020 · US
Simple Approach For Preparing Post-Treatment-Free Solution Processed Non-Stoichiometric Niox Nanoparticles As Conductive Hole Transport Materials
US-2019248674-A1 · Aug 15, 2019 · US
Method of recovering metal compounds from solid oxide fuel cell scrap
US-2019245216-A1 · Aug 8, 2019 · US
Method for producing solutions containing nickel or cobalt
US-2019194031-A1 · Jun 27, 2019 · US
Simple approach for preparing post-treatment-free solution processed non-stoichiometric niox nanoparticles as conductive hole transport materials
US-10315929-B2 · Jun 11, 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