Lymph directing prodrugs
US-2025352510-A1 · Nov 20, 2025 · US
Normal steroids containing one or more sulfur atoms not belonging to a hetero ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07J31/00 |
| Official title | Normal steroids containing one or more sulfur atoms not belonging to a hetero ring |
| Display label | Normal steroids containing one or more sulfur atoms not belonging to a hetero ring |
| Total patents | 45 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025352510-A1 · Nov 20, 2025 · US
US-2025257092-A1 · Aug 14, 2025 · US
US-2025213522-A1 · Jul 3, 2025 · US
US-2025042934-A1 · Feb 6, 2025 · US
US-12129275-B2 · Oct 29, 2024 · US
US-11945836-B2 · Apr 2, 2024 · US
US-2023365618-A1 · Nov 16, 2023 · US
US-2023357308-A1 · Nov 9, 2023 · US
US-2023279043-A1 · Sep 7, 2023 · US
US-2023192756-A1 · Jun 22, 2023 · US
US-11667667-B2 · Jun 6, 2023 · US
US-2023056273-A1 · Feb 23, 2023 · US
US-2022211664-A1 · Jul 7, 2022 · US
US-11311512-B2 · Apr 26, 2022 · US
US-2021269473-A1 · Sep 2, 2021 · US
US-2021147470-A1 · May 20, 2021 · US
US-2021040140-A1 · Feb 11, 2021 · US
US-2021017218-A1 · Jan 21, 2021 · US
US-10875888-B2 · Dec 29, 2020 · US
US-10774108-B2 · Sep 15, 2020 · US
Answers are generated from the same data shown on this page.