Catalyst for producing c8 aromatic hydrocarbon having reduced ethylbenzene content and preparation method thereof
US-2025144605-A1 · May 8, 2025 · US
Noble metals
Noble metals · 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 | C07C2529/22 |
| Official title | Noble metals |
| Display label | Noble metals |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalysts and processes for converting aromatics
US-12239964-B2 · Mar 4, 2025 · US
Catalysts and processes for converting aromatics
US-12115521-B2 · Oct 15, 2024 · US
Integrated processes and systems for producing para-xylenes
US-2024309280-A1 · Sep 19, 2024 · US
Catalyst for Producing C8 Aromatic Hydrocarbon Having Reduced Ethylbenzene Content and Preparation Method Therefor
US-2023249166-A1 · Aug 10, 2023 · US
Catalyst for producing C8 aromatic hydrocarbon having reduced ethylbenzene content and preparation method therefor
US-11660588-B2 · May 30, 2023 · US
Catalyst for converting alkylaromatic hydrocarbon and preparation method thereof
US-11648544-B2 · May 16, 2023 · US
Supported catalyst and method for preparing light olefin using direct conversion of syngas
US-11459279-B2 · Oct 4, 2022 · US
Catalyst for Converting Alkylaromatic Hydrocarbon and Preparation Method Thereof
US-2022219153-A1 · Jul 14, 2022 · US
Catalyst for converting alkylaromatic hydrocarbon and preparation method thereof
US-11376574-B2 · Jul 5, 2022 · US
Catalysts and Processes for Converting Aromatics
US-2022126279-A1 · Apr 28, 2022 · US
Catalysts and Processes for Converting Aromatics
US-2022126278-A1 · Apr 28, 2022 · US
Heavy aromatics conversion processes and catalyst compositions used therein
US-11236027-B2 · Feb 1, 2022 · US
Catalyst composition
US-11229899-B2 · Jan 25, 2022 · US
Supported catalyst and method for preparing light olefin using direct conversion of syngas
US-2021347710-A1 · Nov 11, 2021 · US
Oxidation of methyl-substituted biphenyl compounds
US-2021198173-A1 · Jul 1, 2021 · US
Heavy Aromatics Conversion Processes and Catalyst Compositions Used Therein
US-2021198165-A1 · Jul 1, 2021 · US
Catalyst for Converting Alkylaromatic Hydrocarbon and Preparation Method Thereof
US-2021178372-A1 · Jun 17, 2021 · US
Catalyst for Producing C8 Aromatic Hydrocarbon Having Reduced Ethylbenzene Content and Preparation Method Therefor
US-2021129122-A1 · May 6, 2021 · US
Heavy aromatics conversion processes and catalyst compositions used therein
US-10981845-B2 · Apr 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2529/22?
- CPC C07C2529/22 is the Cooperative Patent Classification code for “Noble metals.”
- How many patents are filed under CPC C07C2529/22 (Noble metals)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC C07C2529/22 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).