Use of carbon dioxide and oxygen in the regeneration of the acid condensation catalyst
US-2025387785-A1 · Dec 25, 2025 · US
with subsequent reactive gas treating
with subsequent reactive gas treating · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J38/18 |
| Official title | with subsequent reactive gas treating |
| Display label | with subsequent reactive gas treating |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated naphtha reforming and benzyl toluene production process
US-2025188004-A1 · Jun 12, 2025 · US
Regeneration device, device for preparing low-carbon olefins, and use thereof
US-12296324-B2 · May 13, 2025 · US
Integrated process and catalysts for manufacturing hydrogen iodide from hydrogen and iodine
US-2024383751-A1 · Nov 21, 2024 · US
Systems and methods for wet air oxidation regeneration of catalysts with atmospheric switching
US-2024246069-A1 · Jul 25, 2024 · US
Method of reactivating catalyst
US-11986805-B2 · May 21, 2024 · US
Process and apparatus for distributing fuel and air to a catalyst regenerator
US-11931728-B2 · Mar 19, 2024 · US
Nickel-cobalt-based catalysts for CO and NO oxidation; their activation
US-11883799-B2 · Jan 30, 2024 · US
Regeneration device, device for preparing low-carbon olefins, and use thereof
US-2023125888-A1 · Apr 27, 2023 · US
Triple-Layered Active Material with Composite Phase Intermediate Layer, Its Preparation and Regeneration Methods
US-2022401924-A1 · Dec 22, 2022 · US
Process and apparatus for distributing fuel and air to a catalyst regenerator
US-2022288571-A1 · Sep 15, 2022 · US
Method of reactivating catalyst
US-2022143584-A1 · May 12, 2022 · US
Processes for rejuvenating catalysts
US-10994268-B2 · May 4, 2021 · US
Nickel-cobalt-based catalysts for co and no oxidation; their activation
US-2020282382-A1 · Sep 10, 2020 · US
Sulfide-based alkane dehydrogenation catalysts
US-10722871-B2 · Jul 28, 2020 · US
Process for reacting oxygen carrying regenerated catalyst prior to use in a fluidized bed reactor
US-10688477-B2 · Jun 23, 2020 · US
Methods for producing propylene by the dehydrogenation of propane
US-10662129-B2 · May 26, 2020 · US
Catalyst regeneration
US-10654035-B2 · May 19, 2020 · US
Processes for controlling the partial regeneration of spent catalyst from an MTO reaction
US-10589264-B2 · Mar 17, 2020 · US
Processes for controlling the partial regeneration of spent catalyst from an mto reaction
US-2020047174-A1 · Feb 13, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J38/18?
- CPC B01J38/18 is the Cooperative Patent Classification code for “with subsequent reactive gas treating.”
- How many patents are filed under CPC B01J38/18 (with subsequent reactive gas treating)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC B01J38/18 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).