Fluidized bed reactor, heat removal water pipe and application thereof in acrylonitrile production
US-12485397-B2 · Dec 2, 2025 · US
with air or molecular oxygen
with air or molecular oxygen · 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 | C07D301/04 |
| Official title | with air or molecular oxygen |
| Display label | with air or molecular oxygen |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing caryophyllene oxide
US-12435053-B2 · Oct 7, 2025 · US
Catalyst for producing ethylene oxide by gas-phase oxidation
US-12121881-B2 · Oct 22, 2024 · US
Method for monitoring a tube sheet of a heat exchanger
US-2024144465-A1 · May 2, 2024 · US
Integrated process for the production of isononanol and stable / lubricating gasoline and diesel blending components
US-11542447-B2 · Jan 3, 2023 · US
Fluidized Bed Reactor, Heat Removal Water Pipe and Application Thereof in Acrylonitrile Production
US-2022410107-A1 · Dec 29, 2022 · US
Recycle content ethylene oxide or alkylene glycols
US-2022380328-A1 · Dec 1, 2022 · US
Integrated process for the production of isononanol and stable / lubricating gasoline and diesel blending components
US-2022290058-A1 · Sep 15, 2022 · US
Integrated process for the production of isononanol and stable / lubricating alcohol gasoline blending components
US-11326108-B1 · May 10, 2022 · US
Integrated process for the production of isononanol and paraffins for producing stable / lubricating gasoline and diesel blending components
US-11306257-B1 · Apr 19, 2022 · US
Process for preparing caryophyllene oxide
US-2021387959-A1 · Dec 16, 2021 · US
Catalyst for producing ethylene oxide by gas-phase oxidation
US-2021379569-A1 · Dec 9, 2021 · US
Multi-lobed porous ceramic body and process for making the same
US-10618041-B2 · Apr 14, 2020 · US
Multi-lobed porous ceramic body and process for making the same
US-2019126261-A1 · May 2, 2019 · US
Multi-lobed porous ceramic body and process for making the same
US-9968923-B2 · May 15, 2018 · US
Multi-lobed porous ceramic body and process for making the same
US-2017297010-A1 · Oct 19, 2017 · US
Multi-lobed porous ceramic body and process for making the same
US-9694355-B2 · Jul 4, 2017 · US
Alkylene oxide synthesis
US-9688647-B2 · Jun 27, 2017 · US
Gas separations with redox-active metal-organic frameworks
US-9675923-B2 · Jun 13, 2017 · US
Epoxidation methods
US-9458121-B2 · Oct 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D301/04?
- CPC C07D301/04 is the Cooperative Patent Classification code for “with air or molecular oxygen.”
- How many patents are filed under CPC C07D301/04 (with air or molecular oxygen)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC C07D301/04 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).