CFTR regulators and methods of use thereof
US-12391654-B2 · Aug 19, 2025 · US
with an oxygen or sulfur atom attached to the third ring carbon atom
with an oxygen or sulfur atom attached to the third ring carbon atom · 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 | C07D251/52 |
| Official title | with an oxygen or sulfur atom attached to the third ring carbon atom |
| Display label | with an oxygen or sulfur atom attached to the third ring carbon atom |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 1 |
| 2017 | 12 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cftr regulators and methods of use thereof
US-2025109113-A1 · Apr 3, 2025 · US
Polyether group-containing compound
US-12071511-B2 · Aug 27, 2024 · US
CFTR regulators and methods of use thereof
US-12065412-B2 · Aug 20, 2024 · US
Cftr regulators and methods of use thereof
US-2023357170-A1 · Nov 9, 2023 · US
Composition, film, lens, solid state imaging element, and compounds
US-11656384-B2 · May 23, 2023 · US
Substituted triazine compounds and uses thereof
US-2023101743-A1 · Mar 30, 2023 · US
Process for preparing a triazine-based precursor, the precursor prepared thereby, a method for producing a micro-particulate complex using the precursor, and the micro-particulate complex produced thereby
US-11299504-B2 · Apr 12, 2022 · US
Cftr regulators and methods of use thereof
US-2022081402-A1 · Mar 17, 2022 · US
CFTR regulators and methods of use thereof
US-11230535-B2 · Jan 25, 2022 · US
Polythiol Composition
US-2021317080-A1 · Oct 14, 2021 · US
Polyether group-containing compound
US-2021284798-A1 · Sep 16, 2021 · US
Process for Preparing a Triazine-Based Precursor, the Precursor Prepared Thereby, a Method for Producing a Micro-Particulate Complex Using the Precursor, and the Micro-Particulate Complex Produced Thereby
US-2020369687-A1 · Nov 26, 2020 · US
Composition, film, and production method of patterned substrate
US-2020348595-A1 · Nov 5, 2020 · US
Methods of treatment of malignancies
US-2020268726-A1 · Aug 27, 2020 · US
Idh1 inhibitors for the treatment of haematological malignancies and solid tumors
US-2020261434-A1 · Aug 20, 2020 · US
Preparation method of polythiol for optical lenses by using metal sulfide
US-10723697-B2 · Jul 28, 2020 · US
Cftr regulators and methods of use thereof
US-2020181097-A1 · Jun 11, 2020 · US
Composition, film, lens, solid state imaging element, and compounds
US-2020116896-A1 · Apr 16, 2020 · US
CFTR regulators and methods of use thereof
US-10604492-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D251/52?
- CPC C07D251/52 is the Cooperative Patent Classification code for “with an oxygen or sulfur atom attached to the third ring carbon atom.”
- How many patents are filed under CPC C07D251/52 (with an oxygen or sulfur atom attached to the third ring carbon atom)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC C07D251/52 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).