Chromium-on-alumina catalysts for hydrocarbon dehydrogenation
US-2025196105-A1 · Jun 19, 2025 · US
Chromium
Chromium · 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 | C07C2523/86 |
| Official title | Chromium |
| Display label | Chromium |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 8 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing paraxylene
US-2025066268-A1 · Feb 27, 2025 · US
Catalyst for methane synthesis and method of manufacturing the same
US-2024139719-A1 · May 2, 2024 · US
Hydrocarbon Synthesis Catalyst, Method for Manufacturing Same, and Method for Synthesizing Hydrocarbons
US-2023381754-A1 · Nov 30, 2023 · US
Cuy/MMgOx interfacial catalyst for selective alkyne hydrogenation and its preparation method
US-11691138-B2 · Jul 4, 2023 · US
Catalyst compositions and methods of preparation and use thereof
US-2023149908-A1 · May 18, 2023 · US
Compartmentalized oligomerization reactor
US-11638905-B2 · May 2, 2023 · US
Catalyst for oxidative dehydrogenation reaction, and method for producing same
US-11618012-B2 · Apr 4, 2023 · US
Olefin Production via Dry Reforming and Olefin Synthesis in a Vessel
US-2023057781-A1 · Feb 23, 2023 · US
Olefin production via dry reforming and olefin synthesis in a vessel
US-11578016-B1 · Feb 14, 2023 · US
Hybrid catalyst for selective and stable olefin production
US-11548835-B2 · Jan 10, 2023 · US
Cuy/MMgOx interfacial catalyst for selective alkyne hydrogenation and its preparation method
US-2022234036-A1 · Jul 28, 2022 · US
Hybrid catalyst for selective and stable olefin production
US-2021371355-A1 · Dec 2, 2021 · US
Alkane activation with single and bimetallic catalysts
US-11034627-B2 · Jun 15, 2021 · US
Catalyst composition for conversion of alkanes to alkenes and method of preparation thereof
US-11000843-B2 · May 11, 2021 · US
Catalyst for oxidative dehydrogenation reaction, and method for producing same
US-2021060537-A1 · Mar 4, 2021 · US
Compartmentalized oligomerization reactor
US-2020376460-A1 · Dec 3, 2020 · US
Method for producing indancarbaldehyde
US-10737993-B2 · Aug 11, 2020 · US
Method for preparing 1,3-butadiene from N-butenes by oxidative dehydrogeneation
US-10647639-B2 · May 12, 2020 · US
Method for producing indancarbaldehyde
US-2020140360-A1 · May 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2523/86?
- CPC C07C2523/86 is the Cooperative Patent Classification code for “Chromium.”
- How many patents are filed under CPC C07C2523/86 (Chromium)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C07C2523/86 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).