Hepatitis B antiviral agents
US-12496282-B2 · Dec 16, 2025 · US
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms · 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 | C07D307/18 |
| Official title | with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms |
| Display label | with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
WDR5-MYC inhibitors
US-12398097-B2 · Aug 26, 2025 · US
Glycosyl donor, preparation method therefor, and use thereof
US-2025154119-A1 · May 15, 2025 · US
Glycosyl donor, preparation method therefor, and use thereof
US-12202812-B2 · Jan 21, 2025 · US
Sulfonylureas and related compounds and use of same
US-2024400502-A1 · Dec 5, 2024 · US
Hepatitis B Antiviral Agents
US-2024366538-A1 · Nov 7, 2024 · US
Conversion of 1,2,5,6-hexanetetrol (HTO) to tetrahydrofuran dicarboxylic acid (THFDCA)
US-12024496-B2 · Jul 2, 2024 · US
Hepatitis B antiviral agents
US-12011425-B2 · Jun 18, 2024 · US
Hepatitis b antiviral agents
US-2023241012-A1 · Aug 3, 2023 · US
Hepatitis B antiviral agents
US-11596611-B2 · Mar 7, 2023 · US
Novel headgroup lipid compounds and compositions for intracellular delivery of therapeutic agents
US-2023000773-A1 · Jan 5, 2023 · US
Wdr5-myc inhibitors
US-2022289673-A1 · Sep 15, 2022 · US
Compounds containing a sulfonic group as kat inhibitors
US-2022267260-A1 · Aug 25, 2022 · US
Hydrofluoroethers and methods of using same
US-11325893-B2 · May 10, 2022 · US
Glycosyl donor, preparation method therefor, and use thereof
US-2022127239-A1 · Apr 28, 2022 · US
Sulfonylureas and related compounds and use of same
US-2022112159-A1 · Apr 14, 2022 · US
Hydrofluoroethers and methods of using same
US-2021395213-A1 · Dec 23, 2021 · US
Sulfonylureas and related compounds and use of same
US-11130731-B2 · Sep 28, 2021 · US
Hepatitis b antiviral agents
US-2021283077-A1 · Sep 16, 2021 · US
Hepatitis B antiviral agents
US-10952978-B2 · Mar 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D307/18?
- CPC C07D307/18 is the Cooperative Patent Classification code for “with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms.”
- How many patents are filed under CPC C07D307/18 (with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC C07D307/18 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).