Olefin production method
US-2024391852-A1 · Nov 28, 2024 · US
Thermal processes {(C07C4/025 takes precedence)}
Thermal processes {(C07C4/025 takes precedence)} · 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 | C07C4/04 |
| Official title | Thermal processes {(C07C4/025 takes precedence)} |
| Display label | Thermal processes {(C07C4/025 takes precedence)} |
| Total patents | 382 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 29 |
| 2017 | 36 |
| 2018 | 25 |
| 2019 | 21 |
| 2020 | 21 |
| 2021 | 44 |
| 2022 | 55 |
| 2023 | 36 |
| 2024 | 37 |
| 2025 | 36 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and installation for the conversion of crude oil to petrochemicals having an improved propylene yield
US-2016368838-A1 · Dec 22, 2016 · US
Process for manufacturing methyl tertiary-butyl ether (mtbe) and other hydrocarbons
US-2016368848-A1 · Dec 22, 2016 · US
Method and apparatus for managing hydrate formation in the processing of a hydrocarbon stream
US-9522860-B2 · Dec 20, 2016 · US
An integrated hydrocracking process
US-2016362616-A1 · Dec 15, 2016 · US
Method for separating a hydrocarbon mixture containing hydrogen, separating device, and olefin plant
US-2016348964-A1 · Dec 1, 2016 · US
Process for the preparation of an olefinic product comprising ethylene and/or propylene
US-9505669-B2 · Nov 29, 2016 · US
Process to produce aromatics from crude oil
US-9505678-B2 · Nov 29, 2016 · US
Method and apparatus for managing the conversion of hydrocarbons into olefins
US-9505680-B2 · Nov 29, 2016 · US
Process for preparing olefins by thermal steamcracking in cracking furnaces
US-9505679-B2 · Nov 29, 2016 · US
Method and reactor for cracking hydrocarbon
US-9499747-B2 · Nov 22, 2016 · US
Hydrocarbon conversion to ethylene
US-9499457-B2 · Nov 22, 2016 · US
Serpentine fluid reactor components
US-9486775-B2 · Nov 8, 2016 · US
Efficient oxidative coupling of methane processes and systems
US-2016272557-A1 · Sep 22, 2016 · US
Integrated process for converting light paraffins to gasoline and distillate
US-2016264492-A1 · Sep 15, 2016 · US
Petrochemical processes
US-9394492-B2 · Jul 19, 2016 · US
Method for producing hydrocarbon products
US-2016194259-A1 · Jul 7, 2016 · US
Method for producing hydrocarbon products
US-2016194258-A1 · Jul 7, 2016 · US
Excess air control for cracker furnace burners
US-2016176780-A9 · Jun 23, 2016 · US
Hydrocarbon Conversion to Ethylene
US-2016176781-A1 · Jun 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C4/04?
- CPC C07C4/04 is the Cooperative Patent Classification code for “Thermal processes {(C07C4/025 takes precedence)}.”
- How many patents are filed under CPC C07C4/04 (Thermal processes {(C07C4/025 takes precedence)})?
- Our database includes 382 publications tagged with this CPC code.
- Is patent activity under CPC C07C4/04 growing?
- Publication counts under this code: 37 in 2024 vs 36 in 2025 (latest complete years).