Olefin isomerization catalysts
US-11684906-B2 · Jun 27, 2023 · US
with metal oxides
with metal oxides · 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 | C07C5/2512 |
| Official title | {with metal oxides} |
| Display label | with metal oxides |
| Total patents | 76 |
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 | 8 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 1 |
| 2020 | 6 |
| 2021 | 12 |
| 2022 | 10 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of producing isomerization catalysts
US-11517892-B2 · Dec 6, 2022 · US
Process for Heterogeneous Isomerization of alpha-Olefins
US-2022380276-A1 · Dec 1, 2022 · US
Acid modified red mud as a catalyst for olefin isomerization
US-11427519-B2 · Aug 30, 2022 · US
Red mud as a catalyst for the isomerization of olefins
US-11420915-B2 · Aug 23, 2022 · US
Process for producing high purity 1-butene
US-11407697-B2 · Aug 9, 2022 · US
Acid modified red mud as a catalyst for olefin isomerization
US-2022213008-A1 · Jul 7, 2022 · US
Methods for reacting chemical streams with catalysts comprising silica, alumina, and tungsten
US-11344874-B2 · May 31, 2022 · US
Process for producing high purity 1-butene
US-2022144728-A1 · May 12, 2022 · US
Methods of producing isomerization catalysts
US-11311869-B2 · Apr 26, 2022 · US
Multiple-stage catalyst system for self-metathesis with controlled isomerization and cracking
US-11242297-B2 · Feb 8, 2022 · US
Red mud as a catalyst for the isomerization of olefins
US-2021387929-A1 · Dec 16, 2021 · US
Process for the isomerization of olefins
US-11174207-B2 · Nov 16, 2021 · US
Conversion of propylene to ethylene
US-11136278-B2 · Oct 5, 2021 · US
Methods for reacting chemical streams with catalysts comprising silica, alumina, and tungsten
US-2021260571-A1 · Aug 26, 2021 · US
Olefin Isomerization Catalysts
US-2021245138-A1 · Aug 12, 2021 · US
Methods for reacting chemical streams with catalysts comprising silica, alumina, and tungsten
US-11033892-B2 · Jun 15, 2021 · US
Methods of producing isomerization catalysts
US-2021162394-A1 · Jun 3, 2021 · US
Methods of producing isomerization catalysts
US-2021162395-A1 · Jun 3, 2021 · US
Conversion of propylene to ethylene
US-2021147319-A1 · May 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C5/2512?
- CPC C07C5/2512 is the Cooperative Patent Classification code for “with metal oxides.”
- How many patents are filed under CPC C07C5/2512 (with metal oxides)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC C07C5/2512 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).