Modified cytotoxins and their therapeutic use
US-10023581-B2 · Jul 17, 2018 · US
with only one oxygen atom as ring hetero atom in the oxygen-containing ring
with only one oxygen atom as ring hetero atom in the oxygen-containing ring · 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 | C07D491/044 |
| Official title | with only one oxygen atom as ring hetero atom in the oxygen-containing ring |
| Display label | with only one oxygen atom as ring hetero atom in the oxygen-containing ring |
| Total patents | 208 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 20 |
| 2017 | 20 |
| 2018 | 23 |
| 2019 | 15 |
| 2020 | 13 |
| 2021 | 15 |
| 2022 | 16 |
| 2023 | 20 |
| 2024 | 20 |
| 2025 | 21 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amine-substituted aryl or heteroaryl compounds
US-2017355712-A1 · Dec 14, 2017 · US
Condensed heterocyclic compound
US-2017349605-A1 · Dec 7, 2017 · US
Salinosporamides and methods of use thereof
US-2017319546-A1 · Nov 9, 2017 · US
Factor XIa inhibitors
US-9809545-B2 · Nov 7, 2017 · US
Substituted thiohydantoin derivatives as androgen receptor antagonists
US-2017233401-A1 · Aug 17, 2017 · US
Salinosporamides and methods of use thereof
US-9713607-B2 · Jul 25, 2017 · US
Pyrazolone derivatives as nitroxyl donors
US-9682938-B2 · Jun 20, 2017 · US
Quaternary ammonium salt prodrugs
US-9670200-B2 · Jun 6, 2017 · US
Tetrahydrooxepinopyridine compound
US-9670219-B2 · Jun 6, 2017 · US
Benzoxazepin PI3K inhibitor compounds and methods of use
US-9670228-B2 · Jun 6, 2017 · US
Chemokine receptor antagonists and methods of use
US-9663537-B2 · May 30, 2017 · US
RORγ modulators
US-9663469-B2 · May 30, 2017 · US
Certain kynurenine-3-monooxygenase inhibitors, pharmaceutical compositions, and methods of use thereof
US-9649310-B2 · May 16, 2017 · US
Modified cytotoxins and their therapeutic use
US-2017080094-A1 · Mar 23, 2017 · US
Benzoxazepin pi3k inhibitor compounds and methods of use
US-2017081341-A1 · Mar 23, 2017 · US
Tetrahydrooxepinopyridine compound
US-2017050973-A1 · Feb 23, 2017 · US
Aminoquinazoline derivatives and their salts and methods of use thereof
US-9556191-B2 · Jan 31, 2017 · US
Halogenated Quinazolin-THF-Amines as PDE1 Inhibitors
US-2017022186-A1 · Jan 26, 2017 · US
Benzoxazepin PI3K inhibitor compounds and methods of use
US-9546178-B2 · Jan 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D491/044?
- CPC C07D491/044 is the Cooperative Patent Classification code for “with only one oxygen atom as ring hetero atom in the oxygen-containing ring.”
- How many patents are filed under CPC C07D491/044 (with only one oxygen atom as ring hetero atom in the oxygen-containing ring)?
- Our database includes 208 publications tagged with this CPC code.
- Is patent activity under CPC C07D491/044 growing?
- Publication counts under this code: 20 in 2024 vs 21 in 2025 (latest complete years).