Catalyst network comprising a noble metal wire made of a dispersion-strengthened noble metal alloy
US-2025325972-A1 · Oct 23, 2025 · US
characterised by the catalyst
characterised by the catalyst · 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 | C01B21/265 |
| Official title | {characterised by the catalyst} |
| Display label | characterised by the catalyst |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 8 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst support system for ammonia oxidation burners
US-2025319450-A1 · Oct 16, 2025 · US
Catalyst system and method for the catalytic combustion of ammonia to form nitrogen oxides in a medium-pressure system
US-12378115-B2 · Aug 5, 2025 · US
Precious metal grid for catalyzing gas phase reactions
US-12350657-B2 · Jul 8, 2025 · US
Catalyst gauze
US-2025010280-A1 · Jan 9, 2025 · US
Catalytic structures with metal oxide substrates, and methods for fabrication and use thereof
US-2024390880-A1 · Nov 28, 2024 · US
Catalyst gauze
US-12128392-B2 · Oct 29, 2024 · US
Catalyst system and method for the catalytic combustion of ammonia to form nitrogen oxides in a medium-pressure system
US-12109553-B2 · Oct 8, 2024 · US
Process for reducing the content of NOx and N2O from a tail gas of a nitric acid process
US-11925900-B2 · Mar 12, 2024 · US
Noble metal net for catalyzing gas phase reactions, production method for same, and use of same in an ammonia oxidation method
US-2023415139-A1 · Dec 28, 2023 · US
Precious metal mesh for catalyzing gas-phase reactions
US-2023398531-A1 · Dec 14, 2023 · US
Catalyst system for a flow reactor and method for catalytic oxidation of ammonia
US-2023381765-A1 · Nov 30, 2023 · US
Method for oxidizing ammonia and system suitable therefor
US-11820653-B2 · Nov 21, 2023 · US
Precious metal grid for catalyzing gas phase reactions
US-2023226534-A1 · Jul 20, 2023 · US
Process for the production of nitric acid
US-2023115002-A1 · Apr 13, 2023 · US
Delivery systems and methods for electric plasma synthesis of nitric oxide
US-11617850-B2 · Apr 4, 2023 · US
Catalyst gauze
US-2022143591-A1 · May 12, 2022 · US
Catalyst system and method for the catalytic combustion of ammonia to form nitrogen oxides in a medium-pressure system
US-2022089439-A1 · Mar 24, 2022 · US
Catalyst system and method for the catalytic combustion of ammonia to form nitrogen oxides in a medium-pressure system
US-2022080396-A1 · Mar 17, 2022 · US
Process for the production of nitric acid with tertiary abatement of N2O and NOx
US-11202992-B2 · Dec 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B21/265?
- CPC C01B21/265 is the Cooperative Patent Classification code for “characterised by the catalyst.”
- How many patents are filed under CPC C01B21/265 (characterised by the catalyst)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC C01B21/265 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).