Electrolyte solution and method for producing sulfate salt
US-12555823-B2 · Feb 17, 2026 · US
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Potassium compounds
Potassium compounds · 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 | C07F1/06 |
| Official title | Potassium compounds |
| Display label | Potassium compounds |
| Total patents | 22 |
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 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synthesis of metallocene polymerization catalyst
US-12479874-B2 · Nov 25, 2025 · US
Fuel cell with polymer electrolyte membrane
US-12412916-B2 · Sep 9, 2025 · US
Metal-organic framework composite and preparation method and use thereof
US-2025101044-A1 · Mar 27, 2025 · US
Improved foaming biosurfactants
US-2024425488-A1 · Dec 26, 2024 · US
Double metal cyanide catalyst for the production of polyether polyols and a process thereof
US-11898007-B2 · Feb 13, 2024 · US
Fuel cell with polymer electrolyte membrane
US-2023317998-A1 · Oct 5, 2023 · US
Method of producing a 2-((meth)allyloxymethyl)acrylic acid derivative, and 2-((meth)allyloxymethyl)acrylic acid alkali metal salt powder
US-11661393-B2 · May 30, 2023 · US
Double Metal Cyanide Catalyst for the Production of Polyether Polyols and a Process Thereof
US-2022259374-A1 · Aug 18, 2022 · US
Electrolyte solution and method for producing sulfate salt
US-2022158241-A1 · May 19, 2022 · US
Synthesis of metallocene polymerization catalyst
US-2022153771-A1 · May 19, 2022 · US
Electrolyte solution and method for producing sulfate salt
US-11276883-B2 · Mar 15, 2022 · US
Method of producing a 2-((meth)allyloxymethyl)acrylic acid derivative, and 2-((meth)allyloxymethyl)acrylic acid alkali metal salt powder
US-2021032187-A1 · Feb 4, 2021 · US
Metal-organic hybrid structures built with multi-directional polydentate ligands
US-10556886-B2 · Feb 11, 2020 · US
Electrolyte solution and method for producing sulfate salt
US-2019326638-A1 · Oct 24, 2019 · US
Electrolyte solution and method for producing sulfate salt
US-10374257-B2 · Aug 6, 2019 · US
Metal-organic hybrid structures built with multi-directional polydentate ligands
US-2019077788-A1 · Mar 14, 2019 · US
Sulfonate-based compound and polymer electrolyte membrane using same
US-9782767-B2 · Oct 10, 2017 · US
Electrolyte solution and method for producing sulfate salt
US-2017200974-A1 · Jul 13, 2017 · US
Compound, method for producing compound, and method for purifying compound
US-9233984-B2 · Jan 12, 2016 · US