Pnictogen-containing heterocyclic compounds and their use
US-12564636-B2 · Mar 3, 2026 · US
Halogen atoms or nitro radicals
Halogen atoms or nitro radicals · 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 | C07D237/12 |
| Official title | Halogen atoms or nitro radicals |
| Display label | Halogen atoms or nitro radicals |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heterocyclyl pyridazine as fungicidal compounds
US-12501900-B2 · Dec 23, 2025 · US
Cyclopropyl-(hetero)aryl-substituted ethylsulphonyl-pyridine derivatives
US-12435083-B2 · Oct 7, 2025 · US
Process for the preparation of diversely substituted cyanocyclopropyl-heterocycles or arenes
US-2025243169-A1 · Jul 31, 2025 · US
Process for preparing 4-amino-pyridazines
US-12162841-B2 · Dec 10, 2024 · US
Cyclopropyl-(hetero)aryl-substituted ethyl-sulfoxime-pyridine derivatives
US-2024336615-A1 · Oct 10, 2024 · US
Covalent Inhibitors As Antiviral Agents
US-2024327334-A1 · Oct 3, 2024 · US
Pnictogen-containing heterocyclic compounds and their use
US-2024285772-A1 · Aug 29, 2024 · US
N-(6-((octahydrocyclopenta[c]pyrrol-5-yi)amino)pyridazin-3-yl)phenyl)carboxamide and (6- ((octahydrocyclopenta[c]pyrrol-5-yl)amino)pyridazin-3-yl)benzamide derivatives as machr m4 antagonists for the treatment of neurodegenerative disorders
US-2024228468-A1 · Jul 11, 2024 · US
Process for the manufacture of 1,4-disubstituted pyridazine compounds
US-2023348420-A1 · Nov 2, 2023 · US
Cyclopropyl-(hetero)aryl-substituted ethylsulphonyl-pyridine derivatives
US-2023234951-A1 · Jul 27, 2023 · US
Heterocyclyl pyridazine as fungicidal compounds
US-2023064576-A1 · Mar 2, 2023 · US
Process for preparing 4-amino-pyridazines
US-2021276959-A1 · Sep 9, 2021 · US
Process for preparing 4-amino-pyridazines
US-11046656-B2 · Jun 29, 2021 · US
Method for producing benzoyl formic acid compound and pyridazine compound
US-2020385328-A1 · Dec 10, 2020 · US
Process for preparing 4-amino-pyridazines
US-2020140396-A1 · May 7, 2020 · US
Process for preparing 4-amino-pyridazines
US-10584102-B2 · Mar 10, 2020 · US
Malononitrile Compounds for Controlling Animal Pests
US-2019104733-A1 · Apr 11, 2019 · US
Malononitrile compounds for controlling animal pests
US-10117430-B2 · Nov 6, 2018 · US
Process for preparing 4-amino-pyridazines
US-2018141917-A1 · May 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D237/12?
- CPC C07D237/12 is the Cooperative Patent Classification code for “Halogen atoms or nitro radicals.”
- How many patents are filed under CPC C07D237/12 (Halogen atoms or nitro radicals)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C07D237/12 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).