Heterocyclic compound, preparation method therefor, and use thereof
US-2025188042-A1 · Jun 12, 2025 · US
with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil
with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil · 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 | C07D239/553 |
| Official title | with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil |
| Display label | with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 7 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Conjugates and methods of using the same
US-2024398966-A1 · Dec 5, 2024 · US
Conjugates and methods of using the same
US-11998610-B2 · Jun 4, 2024 · US
2,6-dioxo-3,6-dihydropyrimidine compound, agricultural and horticultural bactericide, nematicide, and medical and veterinary antifungal agent
US-2024114908-A1 · Apr 11, 2024 · US
Pyrimidine compound and medical use thereof
US-2022380362-A1 · Dec 1, 2022 · US
Processes for the preparation of uracil derivatives
US-11459305-B2 · Oct 4, 2022 · US
Method for producing orotic acid derivative
US-11453648-B2 · Sep 27, 2022 · US
Enhancing the antiviral efficacy of rna virus inhibition by combination with modulators of pyrimidine metabolism
US-2022280513-A1 · Sep 8, 2022 · US
Improved process for the preparation of elagolix and its intermediates
US-2022242831-A1 · Aug 4, 2022 · US
Prodrugs of anti-cancer and anti-autoimmune diseases therapeutic agents, and methods of making and use thereof
US-2022041627-A1 · Feb 10, 2022 · US
Method for producing orotic acid derivative
US-2022002253-A1 · Jan 6, 2022 · US
Conjugates and methods of using the same
US-2021162057-A1 · Jun 3, 2021 · US
Thymine derivatives and quinazoline-dione derivatives for the inhibition of HSP27
US-10940150-B2 · Mar 9, 2021 · US
Processes for the preparation of uracil derivatives
US-2020255387-A1 · Aug 13, 2020 · US
Prodrugs of Nh-acidic compounds
US-10723728-B2 · Jul 28, 2020 · US
Pyrimidine compound and medical use thereof
US-2020109139-A1 · Apr 9, 2020 · US
Prodrugs of nh-acidic compounds
US-2019367501-A1 · Dec 5, 2019 · US
Processes for the preparation of uracil derivatives
US-10494347-B2 · Dec 3, 2019 · US
Prodrugs of NH-acidic compounds
US-10428058-B2 · Oct 1, 2019 · US
Prodrugs of nh-acidic compounds
US-2019284181-A9 · Sep 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D239/553?
- CPC C07D239/553 is the Cooperative Patent Classification code for “with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil.”
- How many patents are filed under CPC C07D239/553 (with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C07D239/553 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).