Processes for preparing C2 to C3 hydrocarbons in the presence of a hybrid catalyst
US-12454496-B2 · Oct 28, 2025 · US
Catalysts; their physical properties
Catalysts; their physical properties · 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 | C07C1/0425 |
| Official title | {Catalysts; their physical properties} |
| Display label | Catalysts; their physical properties |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 12 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fischer-tropsch synthesis catalyst, preparation method therefor, and application thereof
US-2025222438-A1 · Jul 10, 2025 · US
Fuel producing system
US-12270113-B2 · Apr 8, 2025 · US
Apparatus for producing lower olefin-containing gas and method for producing lower olefin-containing gas
US-11925930-B2 · Mar 12, 2024 · US
Processes for preparing c2 to c3 hydrocarbons
US-2023256424-A1 · Aug 17, 2023 · US
Processes for preparing c2 to c3 hydrocarbons in the presence of a hybrid catalyst
US-2023234899-A1 · Jul 27, 2023 · US
Fuel producing system
US-2022316077-A1 · Oct 6, 2022 · US
Catalyst containing LF-type B acid and method for preparing ethylene using direct conversion of syngas
US-11420911-B2 · Aug 23, 2022 · US
Methods and systems for converting carbon oxides to olefins
US-2022153657-A1 · May 19, 2022 · US
Ethylene-to-liquids systems and methods
US-11254627-B2 · Feb 22, 2022 · US
Apparatus for producing lower olefin-containing gas and method for producing lower olefin-containing gas
US-2022032252-A1 · Feb 3, 2022 · US
Oxidative coupling of methane implementations for olefin production
US-11208364-B2 · Dec 28, 2021 · US
Ethylene-to-liquids systems and methods
US-2021130261-A1 · May 6, 2021 · US
Oxidative coupling of methane implementations for olefin production
US-2021094893-A1 · Apr 1, 2021 · US
Catalyst and method for direct conversion of syngas to light olefins
US-10960387-B2 · Mar 30, 2021 · US
Efficient oxidative coupling of methane processes and systems
US-2021024438-A1 · Jan 28, 2021 · US
Ethylene-to-liquids systems and methods
US-10894751-B2 · Jan 19, 2021 · US
Oxidative coupling of methane implementations for olefin production
US-10829424-B2 · Nov 10, 2020 · US
Catalyst containing lf-type b acid and method for preparing ethylene using direct conversion of syngas
US-2020346993-A1 · Nov 5, 2020 · US
Efficient oxidative coupling of methane processes and systems
US-10787400-B2 · Sep 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C1/0425?
- CPC C07C1/0425 is the Cooperative Patent Classification code for “Catalysts; their physical properties.”
- How many patents are filed under CPC C07C1/0425 (Catalysts; their physical properties)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC C07C1/0425 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).