Positive electrode active material, method for producing positive electrode active material, positive electrode, and secondary battery
US-2020403226-A1 · Dec 24, 2020 · US
Compounds of vanadium
Compounds of vanadium · 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 | C01G31/00 |
| Official title | Compounds of vanadium |
| Display label | Compounds of vanadium |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 12 |
| 2019 | 16 |
| 2020 | 14 |
| 2021 | 11 |
| 2022 | 7 |
| 2023 | 12 |
| 2024 | 11 |
| 2025 | 10 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Green-Emitting Phosphors And Devices Thereof
US-2020287099-A1 · Sep 10, 2020 · US
Vanadium oxide film and process for producing same
US-10745289-B2 · Aug 18, 2020 · US
Green-emitting phosphors and devices thereof
US-10720554-B2 · Jul 21, 2020 · US
Desulfurization catalyst for hydrocarbon oils, its preparation, and use thereof
US-10717939-B2 · Jul 21, 2020 · US
Method of preparing a single-phase oxide for hydrogen storage having a TiO2 crystal phase
US-10696548-B2 · Jun 30, 2020 · US
UV-protective compositions and their use
US-10675229-B2 · Jun 9, 2020 · US
Dielectric, capacitor and semiconductor device including the same, and method of preparing the dielectric
US-2020165142-A1 · May 28, 2020 · US
Uv-protective compositions and their use
US-2020155428-A1 · May 21, 2020 · US
Low firing temperature dielectric materials designed to be co-fired with high bismuth garnet ferrites for miniaturized isolators and circulators
US-2019393579-A1 · Dec 26, 2019 · US
Method of making hydrocarbon soluble metal compositions
US-2019382279-A1 · Dec 19, 2019 · US
Negative thermal expansion material and composite material
US-2019375655-A1 · Dec 12, 2019 · US
Chalcogen-containing compound, its preparation method and thermoelectric element comprising the same
US-2019334071-A1 · Oct 31, 2019 · US
Single-phase oxide for hydrogen storage having tio2 crystal phase and method of preparing the same
US-2019300363-A1 · Oct 3, 2019 · US
Method for producing vanadium compound, method for producing vanadium solution, and method for producing redox flow battery electrolyte
US-10422021-B2 · Sep 24, 2019 · US
Exfoliating layered transition metal dichalcogenides
US-10414668-B1 · Sep 17, 2019 · US
Mixture of visible light-responsive photocatalytic titanium oxide fine particles, dispersion liquid thereof, method for producing dispersion liquid, photocatalyst thin film, and member having photocatalyst thin film on surface
US-2019217282-A1 · Jul 18, 2019 · US
Method for converting and separating vanadium, titanium, and iron from vanadium-titanium-iron concentrate in one step
US-10316392-B2 · Jun 11, 2019 · US
Method for producing dispersions of nanosheets
US-10309027-B2 · Jun 4, 2019 · US
Metal-substituted titanium oxide, and method for producing metal-substituted titanium oxide sintered body
US-2019161359-A1 · May 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G31/00?
- CPC C01G31/00 is the Cooperative Patent Classification code for “Compounds of vanadium.”
- How many patents are filed under CPC C01G31/00 (Compounds of vanadium)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC C01G31/00 growing?
- Publication counts under this code: 11 in 2024 vs 10 in 2025 (latest complete years).