Highly active thermally stable nanoporous gold catalyst
US-2019336947-A1 · Nov 7, 2019 · US
Selective oxidation of carbon monoxide
Selective oxidation of carbon monoxide · 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 | C01B2203/044 |
| Official title | Selective oxidation of carbon monoxide |
| Display label | Selective oxidation of carbon monoxide |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 14 |
| 2017 | 11 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for making ammonia
US-10435304-B2 · Oct 8, 2019 · US
Desulfurizer, hydrogen generation device, and fuel cell system
US-2019300548-A1 · Oct 3, 2019 · US
Catalyst for carbon monoxide oxidation and process for the preparation thereof
US-10322407-B2 · Jun 18, 2019 · US
Hydrogen purifiers and hydrogen purification systems
US-2019088964-A1 · Mar 21, 2019 · US
Methods, systems and catalysts for oxidizing carbon monoxide to carbon dioxide
US-10130941-B2 · Nov 20, 2018 · US
Thermochemical regeneration with fuel additions
US-10112860-B1 · Oct 30, 2018 · US
Fuel processor component for a propylene glycol fuel processor and propylene glycol fuel processor
US-2018236431-A1 · Aug 23, 2018 · US
Chemical looping
US-2018207599-A1 · Jul 26, 2018 · US
Hydrogen generating apparatus, fuel cell system, and methods of operating them
US-9979036-B2 · May 22, 2018 · US
Hydrogen production reactor including carbon monoxide removing unit
US-2018134552-A1 · May 17, 2018 · US
Process for making ammonia
US-2018002185-A1 · Jan 4, 2018 · US
Process to synthesize a catalyst performing water-gas shift reaction at a high temperature
US-2017348675-A1 · Dec 7, 2017 · US
Preparation method of catalyst comprising a ruthenium-containing catalyst layer formed on the body surface
US-9795954-B2 · Oct 24, 2017 · US
Fuel processing of feedstocks having components harmful to hydrodesulfurization
US-9745526-B2 · Aug 29, 2017 · US
Catalyst For Carbon Monoxide Oxidation and Process For The Preparation Thereof
US-2017173566-A1 · Jun 22, 2017 · US
Method of operating hydrogen generator and method of operating fuel cell system
US-9685670-B2 · Jun 20, 2017 · US
Hydrogen purifier, hydrogen generation apparatus, and fuel cell system
US-9634344-B2 · Apr 25, 2017 · US
Method for processing a gas mixture
US-2017107102-A1 · Apr 20, 2017 · US
Hydrogen purifiers and hydrogen purification systems
US-2017054170-A1 · Feb 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2203/044?
- CPC C01B2203/044 is the Cooperative Patent Classification code for “Selective oxidation of carbon monoxide.”
- How many patents are filed under CPC C01B2203/044 (Selective oxidation of carbon monoxide)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC C01B2203/044 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).