Catalyst for fischer-tropsch synthesis reaction and hydrocarbon production device
US-2025270149-A1 · Aug 28, 2025 · US
with rare earths or actinides
with rare earths or actinides · 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 | C07C2523/83 |
| Official title | with rare earths or actinides |
| Display label | with rare earths or actinides |
| Total patents | 67 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 11 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 10 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ethylbenzene dehydrogenation catalyst, preparation method therefor, and use thereof
US-2024399341-A1 · Dec 5, 2024 · US
Catalyst support structures and methods
US-2024359163-A1 · Oct 31, 2024 · US
Porous catalyst and method of use for the tandem capture and conversion of carbon dioxide to hydrocarbons
US-2024316539-A1 · Sep 26, 2024 · US
Ethylene production apparatus and ethylene production method
US-2024286976-A1 · Aug 29, 2024 · US
Process of producing alkenylaromatic compound using dehydrogenation catalyst
US-2024109823-A1 · Apr 4, 2024 · US
Ni-BASED CATALYST FOR UNSTEADY-STATE TRACE COX METHANATION REACTION, AND PREPARATION METHOD THEREOF
US-2024091747-A1 · Mar 21, 2024 · US
Process to produce ethylene and vinyl acetate monomer and derivatives thereof
US-11891357-B2 · Feb 6, 2024 · US
Redox catalysts for the oxidative cracking of hydrocarbons, methods of making, and methods of use thereof
US-11883800-B2 · Jan 30, 2024 · US
Active and stable copper-based catalyst for CO2 hydrogenation to methanol
US-11878287-B2 · Jan 23, 2024 · US
Catalytic conversion process and system for producing gasoline and propylene
US-11873457-B2 · Jan 16, 2024 · US
Direct catalytic conversion of alcohols to olefins of higher carbon number with reduced ethylene production
US-2023415132-A1 · Dec 28, 2023 · US
Mixed catalytic system for the conversion of co2 and/or of co in a cold plasma-catalysis hybrid process
US-2023390742-A1 · Dec 7, 2023 · US
Single atom metal doped ceria for CO oxidation and HC hydrogenation/oxidation
US-11745169-B1 · Sep 5, 2023 · US
Complex oxides for reactive oxygen separation and related applications
US-2023256422-A1 · Aug 17, 2023 · US
Direct catalytic conversion of alcohols to olefins of higher carbon number with reduced ethylene production
US-11691129-B2 · Jul 4, 2023 · US
Method for the heterogeneous catalysis using a ferromagnetic material heated by magnetic induction and catalyst support used for said method
US-2022370986-A1 · Nov 24, 2022 · US
Processes for catalytic paraffin dehydrogenation and catalyst recovery
US-2022250049-A1 · Aug 11, 2022 · US
JMZ-1S, a CHA-containing molecular sieve and methods of preparation
US-11400439-B2 · Aug 2, 2022 · US
Direct catalytic conversion of alcohols to olefins of higher carbon number with reduced ethylene production
US-2022234031-A1 · Jul 28, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2523/83?
- CPC C07C2523/83 is the Cooperative Patent Classification code for “with rare earths or actinides.”
- How many patents are filed under CPC C07C2523/83 (with rare earths or actinides)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC C07C2523/83 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).