Molding catalyst for hydrogen chloride oxidation reaction, and method for producing same
US-2026034537-A1 · Feb 5, 2026 · US
Removing halogens or halogen compounds
Removing halogens or halogen compounds · 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 | B01D53/8659 |
| Official title | {Removing halogens or halogen compounds} |
| Display label | Removing halogens or halogen compounds |
| Total patents | 37 |
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 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Preparation capable of simultaneously removing NO, SO2 and HCl
US-12521707-B2 · Jan 13, 2026 · US
Processes and apparatuses for regenerating a catalyst
US-12508563-B2 · Dec 30, 2025 · US
Molding catalyst for hydrogen chloride oxidation reaction, and method for producing same
US-12472486-B2 · Nov 18, 2025 · US
Exhaust gas treatment method and exhaust gas treatment device
US-2025325942-A1 · Oct 23, 2025 · US
Chlorine gas decomposition catalyst and exhaust gas treatment apparatus
US-2025312736-A1 · Oct 9, 2025 · US
Catalyst for decomposing perfluorocompounds and method of preparing same
US-2025288975-A1 · Sep 18, 2025 · US
PREPARATION METHOD FOR ACTIVATED COKE CATALYST CAPABLE OF SIMULTANEOUSLY REMOVING NO, SO2 AND HCl
US-2025242341-A1 · Jul 31, 2025 · US
Chlorine gas decomposition catalyst, exhaust gas treatment device, and method for decomposing chlorine gas
US-2024066502-A1 · Feb 29, 2024 · US
Gas treatment system, semiconductor process system including the same, and gas treatment method using the same
US-2024042385-A1 · Feb 8, 2024 · US
Regeneration vessel adsorption zone and process for adsorbing halogen-containing material and sampling catalyst
US-11724240-B2 · Aug 15, 2023 · US
Processes and apparatuses for regenerating a catalyst
US-2023211306-A1 · Jul 6, 2023 · US
Process for preparing a catalyst or a trapping mass from molten salts
US-11660590-B2 · May 30, 2023 · US
Molding catalyst for hydrogen chloride oxidation reaction, and method for producing same
US-2023072554-A1 · Mar 9, 2023 · US
Regeneration vessel adsorption zone and process for adsorbing halogen-containing material and sampling catalyst
US-2022203319-A1 · Jun 30, 2022 · US
Method for cleaning sulfurous corrosive process gases
US-2022203300-A1 · Jun 30, 2022 · US
Metal oxide catalysts for removal of large capacity perfluorinated compounds
US-2021362132-A1 · Nov 25, 2021 · US
Porous carbon material, method for producing same and use of same
US-11090644-B2 · Aug 17, 2021 · US
Vacuum pump with abatement function
US-10641256-B2 · May 5, 2020 · US
Vacuum pump with abatement function
US-10641272-B2 · May 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/8659?
- CPC B01D53/8659 is the Cooperative Patent Classification code for “Removing halogens or halogen compounds.”
- How many patents are filed under CPC B01D53/8659 (Removing halogens or halogen compounds)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/8659 growing?
- Publication counts under this code: 2 in 2024 vs 6 in 2025 (latest complete years).