Broad-spectrum antiviral drugs
US-2025057802-A1 · Feb 20, 2025 · US
Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C201/00 |
| Official title | Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton |
| Display label | Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton |
| Total patents | 68 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 13 |
| 2020 | 5 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 7 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025057802-A1 · Feb 20, 2025 · US
US-2025034705-A1 · Jan 30, 2025 · US
US-2024391865-A1 · Nov 28, 2024 · US
US-12077495-B2 · Sep 3, 2024 · US
US-2024279215-A1 · Aug 22, 2024 · US
US-11858879-B2 · Jan 2, 2024 · US
US-11732205-B2 · Aug 22, 2023 · US
US-2023227416-A1 · Jul 20, 2023 · US
US-11691135-B2 · Jul 4, 2023 · US
US-2023174477-A1 · Jun 8, 2023 · US
US-2023172206-A1 · Jun 8, 2023 · US
US-2023159961-A1 · May 25, 2023 · US
US-2022403270-A1 · Dec 22, 2022 · US
US-11413243-B2 · Aug 16, 2022 · US
US-2022233445-A1 · Jul 28, 2022 · US
US-11396634-B2 · Jul 26, 2022 · US
US-2022220085-A1 · Jul 14, 2022 · US
US-11344600-B2 · May 31, 2022 · US
US-2022118435-A1 · Apr 21, 2022 · US
US-2022049351-A1 · Feb 17, 2022 · US
Answers are generated from the same data shown on this page.