Treatment process for crystallizing a metal sulfate
US-2026070803-A1 · Mar 12, 2026 · US
Sulfates
Sulfates · 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 | C01G51/10 |
| Official title | Sulfates |
| Display label | Sulfates |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 13 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing nickel sulfate
US-2026055007-A1 · Feb 26, 2026 · US
Wet process for recovering valuable metals from lithium battery
US-12559379-B2 · Feb 24, 2026 · US
Method for recovering active metal of lithium secondary battery
US-12545974-B2 · Feb 10, 2026 · US
Treatment process for crystallizing a metal sulfate
US-12441621-B2 · Oct 14, 2025 · US
Process for metal sulphidation
US-2025313491-A1 · Oct 9, 2025 · US
Method for recovering active metal of lithium secondary battery
US-12407035-B2 · Sep 2, 2025 · US
Method of separating and recovering cobalt salt and nickel salt
US-12403427-B2 · Sep 2, 2025 · US
Processes for crystallizing metal sulfates and methods for producing crystallized metal sulfates
US-12281027-B2 · Apr 22, 2025 · US
Process and method for producing crystallized metal sulfates
US-2024409432-A1 · Dec 12, 2024 · US
Method for producing lithium sulfate and transition metal sulfate
US-2024286912-A1 · Aug 29, 2024 · US
Process and method for producing crystallized metal sulfates
US-12054401-B2 · Aug 6, 2024 · US
Method of recovering transition metal
US-2024243380-A1 · Jul 18, 2024 · US
Production method for cobalt sulfate
US-2024228320-A1 · Jul 11, 2024 · US
Method for separating copper from nickel and cobalt
US-12000018-B2 · Jun 4, 2024 · US
Method for preparing cobalt sulfate salt
US-2024002251-A1 · Jan 4, 2024 · US
Wet process for recovering valuable metals from lithium battery
US-2023331571-A1 · Oct 19, 2023 · US
Method for manufacturing sulfuric acid solution and electrolyzer used thereof
US-11781228-B2 · Oct 10, 2023 · US
Process for preparing battery grade metal sulphate solutions
US-2023312368-A1 · Oct 5, 2023 · US
Method for recovering active metal of lithium secondary battery
US-2023250507-A1 · Aug 10, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G51/10?
- CPC C01G51/10 is the Cooperative Patent Classification code for “Sulfates.”
- How many patents are filed under CPC C01G51/10 (Sulfates)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C01G51/10 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).