Fibrous silica lanthanum oxide-based catalyst for dry reforming of methane and methods of preparation thereof
US-2025281910-A1 · Sep 11, 2025 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B3/44 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 32 |
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 | 2 |
| 2016 | 4 |
| 2017 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-functional catalytic sorbents for hydrogen and hydrogen-enriched syngas production from carbon containing feedstock
US-2024390873-A1 · Nov 28, 2024 · US
Reactor configuration, system and method for producing carbon material and syngas
US-2024382921-A1 · Nov 21, 2024 · US
Manufacturing Method and Manufacturing Apparatus of Syngas, and Manufacturing Method of Liquid Hydrocarbon Using the Same
US-2024140795-A1 · May 2, 2024 · US
Process to conduct an endothermic steam reforming reaction in a fluidized bed reactor
US-11964868-B2 · Apr 23, 2024 · US
Power generation using hydrogen fuel with economical carbon dioxide capture
US-11738996-B2 · Aug 29, 2023 · US
Process and a system for producing synthesis gas
US-11643609-B2 · May 9, 2023 · US
Dry reforming of methane with carbon dioxide at elevated pressure
US-11639290-B2 · May 2, 2023 · US
Integrated process for producing BTX and hydrogen from shale gas with feeding of carbon dioxide
US-11578018-B1 · Feb 14, 2023 · US
System and method for recycling pressure swing absorber off-gas
US-11535514-B2 · Dec 27, 2022 · US
Conversion of ammonium nitrate into useful products
US-11518685-B2 · Dec 6, 2022 · US
Dry reforming of hydrocarbons
US-2022009774-A1 · Jan 13, 2022 · US
Dry Reforming of Methane with Carbon Dioxide at Elevated Pressure
US-2021380408-A1 · Dec 9, 2021 · US
Power generation using hydrogen fuel with economical carbon dioxide capture
US-2021363006-A1 · Nov 25, 2021 · US
System and method for recycling pressure swing absorber off-gas
US-2021261409-A1 · Aug 26, 2021 · US
Hydrogen turbine compatible fuel source
US-11084720-B2 · Aug 10, 2021 · US
Conversion of Ammonium Nitrate Into Useful Products
US-2021238047-A1 · Aug 5, 2021 · US
Multi-reaction process for forming a product gas from solid carbonaceous material
US-10854903-B2 · Dec 1, 2020 · US
Microwave-assisted catalytic reactions using modified bed particles
US-2020223692-A1 · Jul 16, 2020 · US
Method and plant for chemical looping oxidation-reduction combustion of a gaseous hydrocarbon feedstock with intermediate catalytic steam reforming of the feed
US-10494257-B2 · Dec 3, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/44?
- CPC C01B3/44 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B3/44 (Chemistry & Metallurgy)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/44 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).