Bismuthene as versatile photocatalyst operating under variable conditions for photoredox c-h bond functionalization
US-2025345777-A1 · Nov 13, 2025 · US
Radicals substituted by halogen atoms or nitro or nitroso radicals · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D333/12 |
| Official title | Radicals substituted by halogen atoms or nitro or nitroso radicals |
| Display label | Radicals substituted by halogen atoms or nitro or nitroso radicals |
| Total patents | 47 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025345777-A1 · Nov 13, 2025 · US
US-12018007-B2 · Jun 25, 2024 · US
US-2024076263-A1 · Mar 7, 2024 · US
US-11896574-B2 · Feb 13, 2024 · US
US-11655203-B2 · May 23, 2023 · US
US-2023140631-A1 · May 4, 2023 · US
US-2023121865-A1 · Apr 20, 2023 · US
US-RE49222-E · Sep 27, 2022 · US
US-2022009875-A1 · Jan 13, 2022 · US
US-2021400977-A1 · Dec 30, 2021 · US
US-11168255-B2 · Nov 9, 2021 · US
US-2021198231-A1 · Jul 1, 2021 · US
US-10968187-B2 · Apr 6, 2021 · US
US-10934265-B2 · Mar 2, 2021 · US
US-10927093-B1 · Feb 23, 2021 · US
US-2021040060-A1 · Feb 11, 2021 · US
US-2020369634-A1 · Nov 26, 2020 · US
US-2020197352-A1 · Jun 25, 2020 · US
US-2020157063-A1 · May 21, 2020 · US
US-10617666-B2 · Apr 14, 2020 · US
Answers are generated from the same data shown on this page.