Catalysts, methods of making, and methods of hydrofluorination
US-2021275998-A1 · Sep 9, 2021 · US
by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation
by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation · 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 | C07C209/74 |
| Official title | by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation |
| Display label | by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
One pot, one step process for the halogenation of aromatics using solid acid catalysts
US-11111207-B2 · Sep 7, 2021 · US
Process of producing cycloalkylcarboxamido-indole compounds
US-2021238158-A1 · Aug 5, 2021 · US
Process for deoxyfluorination of phenols
US-11046628-B2 · Jun 29, 2021 · US
Method of preparing diisocyanate composition
US-2021171449-A1 · Jun 10, 2021 · US
Diisocyanate composition, preparation method thereof and optical material using same
US-2021171448-A1 · Jun 10, 2021 · US
Hole transporting material, method of manufacturing same and organic electroluminescent device
US-2021151690-A1 · May 20, 2021 · US
Hydrogen Bond Directed Photocatalytic Hydrodefluorination and Methods of Use Thereof
US-2020399196-A1 · Dec 24, 2020 · US
Method for preparing an amine hydrochloride suspension
US-2020392074-A1 · Dec 17, 2020 · US
Process for deoxyfluorination of phenols
US-2020369583-A1 · Nov 26, 2020 · US
Arylamine compound and organic light-emitting device including the same
US-2020365806-A1 · Nov 19, 2020 · US
Fluorinating agent
US-10479681-B2 · Nov 19, 2019 · US
Materials for electronic devices
US-2019288206-A1 · Sep 19, 2019 · US
Process of producing cycloalkylcarboxamido-indole compounds
US-2019210991-A1 · Jul 11, 2019 · US
Fluorinating agent
US-2019152779-A1 · May 23, 2019 · US
Fluorination method
US-10287220-B2 · May 14, 2019 · US
An improved one pot, one step process for the halogenation of aromatics using solid acid catalysts
US-2019100487-A1 · Apr 4, 2019 · US
Fluorinating agent
US-10233080-B2 · Mar 19, 2019 · US
Method for preparing 3-trifluoromethyl chalcones
US-10160731-B2 · Dec 25, 2018 · US
Catalytic radiofluorination
US-10098974-B2 · Oct 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C209/74?
- CPC C07C209/74 is the Cooperative Patent Classification code for “by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation.”
- How many patents are filed under CPC C07C209/74 (by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC C07C209/74 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).