Development of ruthenium-copper nano-sponge electrodes for ambient electrochemical reduction of nitrogen to ammonia
US-2021340683-A1 · Nov 4, 2021 · US
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 | C25B11/0431 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxygen-generating anode
US-10889903-B2 · Jan 12, 2021 · US
Titanium base material, method for producing titanium base material, electrode for water electrolysis, and water electrolysis device
US-2020407858-A1 · Dec 31, 2020 · US
Corrosion resistant aluminum electrode alloy
US-2020332395-A1 · Oct 22, 2020 · US
Corrosion resistant aluminum electrode alloy
US-2020332406-A1 · Oct 22, 2020 · US
Electrode catalyst layer for carbon dioxide electrolysis cell, electrolysis cell and carbon dioxide electrolysis apparatus comprising the same
US-2020270756-A1 · Aug 27, 2020 · US
Electrochemical oxidation of 5-hydroxymethylfurfural using copper-based anodes
US-2020248322-A1 · Aug 6, 2020 · US
Methods and systems for carbon nanofiber production
US-10730751-B2 · Aug 4, 2020 · US
Anode for electrolysis and method of preparing the same
US-2020208281-A1 · Jul 2, 2020 · US
Eletrochemical oxidation of 5-hydroxymethylfurfural using copper-based anodes
US-10669639-B2 · Jun 2, 2020 · US
Cathode for electrolysis and method for producing same, and electrolytic cell for electrolysis
US-10626512-B2 · Apr 21, 2020 · US
Oxide-dispersed metal porous body, electrolysis electrode, and hydrogen generation apparatus
US-2020040471-A1 · Feb 6, 2020 · US
Low Solubility Salts as an Additive in Gas Diffusion Electrodes for Increasing the CO2 Selectivity at High Current Densities
US-2020032406-A1 · Jan 30, 2020 · US
Flow-through reactor for electrocatalytic reactions
US-2019309425-A1 · Oct 10, 2019 · US
Ammonia synthesis using plasma-produced electrons
US-2019292063-A1 · Sep 26, 2019 · US
Electrode for electrolysis and preparation method thereof
US-2019211464-A1 · Jul 11, 2019 · US
Titanium alloy sheet for electrode
US-2019203322-A1 · Jul 4, 2019 · US
Ammonia synthesis methods and systems
US-2019202707-A1 · Jul 4, 2019 · US
Electrochemical oxidation of 5-hydroxymethylfurfural using copper-based anodes
US-2019071787-A1 · Mar 7, 2019 · US
Electrode
US-2018258543-A1 · Sep 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B11/0431?
- CPC C25B11/0431 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C25B11/0431 (Chemistry & Metallurgy)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC C25B11/0431 growing?
- Publication counts under this code: 11 in 2020 vs 2 in 2021 (latest complete years).