Electrode for Electrolysis
US-2022364250-A1 · Nov 17, 2022 · US
Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis · 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 | C25B1/34 |
| Official title | Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis |
| Display label | Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis |
| Total patents | 106 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 11 |
| 2024 | 17 |
| 2025 | 9 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Anode for electrolysis and preparation method thereof
US-11499239-B2 · Nov 15, 2022 · US
Electrode for Electrolysis
US-2022349075-A1 · Nov 3, 2022 · US
Electrode for Electrolysis
US-2022235477-A1 · Jul 28, 2022 · US
Electrode for electrolysis and preparation method thereof
US-11396709-B2 · Jul 26, 2022 · US
Method for producing phosgene
US-2022212936-A1 · Jul 7, 2022 · US
Electrode for Electrolysis
US-2022205120-A1 · Jun 30, 2022 · US
Electrolyzer, method for controlling same, and program
US-2022195613-A1 · Jun 23, 2022 · US
Electrode For Electrolysis
US-2022018032-A1 · Jan 20, 2022 · US
Method for mounting oxygen-consuming electrodes in electrochemical cells and electrochemical cells
US-11136677-B2 · Oct 5, 2021 · US
Ion exchange membrane and electrolyzer
US-11047056-B2 · Jun 29, 2021 · US
Methods and systems for providing improved cement incorporating metal oxides and hydroxides
US-2021188711-A1 · Jun 24, 2021 · US
Reduction electrode for electrolysis and manufacturing method thereof
US-2021140058-A1 · May 13, 2021 · US
Process for the work-up and reuse of salt-containing process water
US-2021101815-A1 · Apr 8, 2021 · US
Pt-N-C Based Electrochemical Catalyst for Chlorine Evolution Reaction and Production Method Thereof
US-2021060535-A1 · Mar 4, 2021 · US
Channel plate structure and electrochemical apparatus with the same
US-10916786-B2 · Feb 9, 2021 · US
Method and apparatus for treatment of effluents from production plants of epoxy compounds
US-10883184-B2 · Jan 5, 2021 · US
Basic electrocatalyst for carbon dioxide reduction and ethylene production, electrode and apparatus each including the same, and method of manufacturing the electrode
US-2020392632-A1 · Dec 17, 2020 · US
Anode for electrolysis and preparation method thereof
US-2020385876-A1 · Dec 10, 2020 · US
Membraneless electrochemical flow-through reactor
US-10844494-B2 · Nov 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B1/34?
- CPC C25B1/34 is the Cooperative Patent Classification code for “Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis.”
- How many patents are filed under CPC C25B1/34 (Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis)?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC C25B1/34 growing?
- Publication counts under this code: 17 in 2024 vs 9 in 2025 (latest complete years).