Method for catalytically reducing carbon dioxide
US-2026028299-A1 · Jan 29, 2026 · US
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with reducing agents other than hydrogen or hydrogen-containing gases
with reducing agents other than hydrogen or hydrogen-containing gases · 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 | C07C29/159 |
| Official title | with reducing agents other than hydrogen or hydrogen-containing gases |
| Display label | with reducing agents other than hydrogen or hydrogen-containing gases |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photocatalytic reduction of carbon dioxide using Fe2TiO5 nanosheets
US-12221408-B1 · Feb 11, 2025 · US
Haloalkyl alkoxymethyl ether compound, and process for preparing 13,15-dimethylheptacosane therefrom and for preparing synthetic intermediate therefor
US-2024400484-A1 · Dec 5, 2024 · US
Catalyst containing activated carbon adsorbed with ruthenium complex, and method for producing reduction product using same
US-2023285945-A1 · Sep 14, 2023 · US
Process for producing functionalized organic molecules and uses thereof
US-2023159417-A1 · May 25, 2023 · US
Methods and systems for producing calcium oxide and calcium hydroxide from aragonite
US-11136243-B1 · Oct 5, 2021 · US
Supramolecular porphyrin cages assembled at molecular-materials interfaces for electrocatalytic CO reduction
US-11078582-B2 · Aug 3, 2021 · US
Carbon doped tin disulphide and methods for synthesizing the same
US-10967361-B2 · Apr 6, 2021 · US
Methods for the decoration of carbon nanoparticles with hafnium promethium oxide nanowires for energy applications
US-10933403-B1 · Mar 2, 2021 · US
Nickel-based catalysts for C=O reduction and oxygen evolution
US-10654879-B2 · May 19, 2020 · US
Process for modifying bio-oil
US-10633605-B2 · Apr 28, 2020 · US
Hafnium-based metal-organic frameworks as epoxide ring-opening catalysts
US-10479758-B2 · Nov 19, 2019 · US
Hafnium-based metal-organic frameworks as epoxide ring-opening catalysts
US-2019152897-A1 · May 23, 2019 · US
Zirconium- and hafnium-based metal-organic frameworks as epoxide ring-opening catalysts
US-10233145-B2 · Mar 19, 2019 · US
Supramolecular porphyrin cages assembled at molecular-materials interfaces for electrocatalytic CO reduction
US-2019062936-A1 · Feb 28, 2019 · US
Carbon doped tin disulphide and methods for synthesizing the same
US-2018280942-A1 · Oct 4, 2018 · US
Nickel-based catalysts for c=o reduction and oxygen evolution
US-2018094012-A1 · Apr 5, 2018 · US
Catalysts for thermochemical fuel production and method of producing fuel using thermochemical fuel production
US-9873109-B2 · Jan 23, 2018 · US
Zirconium- and hafnium-based metal-organic frameworks as epoxide ring-opening catalysts
US-2017362167-A1 · Dec 21, 2017 · US
Tandem photochemical-thermochemical process for hydrocarbon production from carbon dioxide feedstock
US-2016340593-A1 · Nov 24, 2016 · US