Hydrochloric acid oxidation catalyst and method for producing chlorine
US-2024359165-A1 · Oct 31, 2024 · 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 | C01B7/04 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 7 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 9 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrochloric acid oxidation catalyst and method for producing chlorine
US-2024351007-A1 · Oct 24, 2024 · US
Process for preparation of chlorine from hydrogen chloride
US-2024228279-A9 · Jul 11, 2024 · US
Process for preparing chlorine
US-2024208814-A1 · Jun 27, 2024 · US
Process for preparation of chlorine from hydrogen chloride
US-2024132350-A1 · Apr 25, 2024 · US
Method for producing chlorine in high yield through hydrogen chloride oxidation reaction
US-2024067521-A1 · Feb 29, 2024 · US
Catalyst for hydrogen chloride oxidation and production thereof
US-2023294988-A1 · Sep 21, 2023 · US
Catalyst for halogen production, package, and method for producing package
US-2023115399-A1 · Apr 13, 2023 · US
Molding catalyst and method for producing halogen
US-2023092065-A1 · Mar 23, 2023 · US
Molding catalyst for hydrogen chloride oxidation reaction, and method for producing same
US-2023072554-A1 · Mar 9, 2023 · US
Molding catalyst for hydrogen chloride oxidation reaction, and method for producing same
US-2023042463-A1 · Feb 9, 2023 · US
Method for isocyanate and polyurethane production with improved sustainability
US-2022389150-A1 · Dec 8, 2022 · US
Method for regenerating a toxified catalyst containing ruthenium or ruthenium compounds
US-11389791-B2 · Jul 19, 2022 · US
Method for cleaning sulfurous corrosive process gases
US-2022203300-A1 · Jun 30, 2022 · US
Hydrogen chloride oxidation reaction catalyst for preparing chlorine, and preparation method terefor
US-2022080395-A1 · Mar 17, 2022 · US
Method for manufacturing ruthenium oxide-supported catalyst for preparing chlorine and catalyst manufactured thereby
US-2022072513-A1 · Mar 10, 2022 · US
Method for producing chlorine by oxidation of hydrogen chloride
US-11072527-B2 · Jul 27, 2021 · US
Production and separation of phosgene by means of a combined co2 and chloride electrolysis
US-2021189572-A1 · Jun 24, 2021 · US
Method for flexibly controlling the use of hydrochloric acid from chemical production
US-11040878-B2 · Jun 22, 2021 · US
Method and device for the continuous neutralization of hydrochloric acid
US-11034581-B2 · Jun 15, 2021 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B7/04?
- CPC C01B7/04 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B7/04 (Chemistry & Metallurgy)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC C01B7/04 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).