Mitofusin activators and methods of use thereof
US-2024082180-A1 · Mar 14, 2024 · US
with a four-membered ring
with a four-membered 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 | C07C2601/04 |
| Official title | with a four-membered ring |
| Display label | with a four-membered ring |
| Total patents | 835 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 92 |
| 2016 | 80 |
| 2017 | 98 |
| 2018 | 85 |
| 2019 | 95 |
| 2020 | 60 |
| 2021 | 70 |
| 2022 | 61 |
| 2023 | 56 |
| 2024 | 76 |
| 2025 | 48 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Paclitaxel enhancer compounds
US-2015344420-A1 · Dec 3, 2015 · US
Thermoplastic polymer composition
US-9193845-B2 · Nov 24, 2015 · US
Alkynyl phenyl derivative compounds for treating ophthalmic diseases and disorders
US-2015329473-A1 · Nov 19, 2015 · US
Bicyclic aryl sphingosine 1-phosphate analogs
US-9186367-B2 · Nov 17, 2015 · US
Aminocyclobutane derivatives, method for preparing same and the use thereof as drugs
US-2015315132-A1 · Nov 5, 2015 · US
Liquid Crystal Compound Containing Cyclobutyl Group and Difluoromethyleneoxy Linking Group, and Preparation Method and Use Thereof
US-2015284632-A1 · Oct 8, 2015 · US
Amine derivative having NPY Y5 receptor antagonistic activity
US-9150507-B2 · Oct 6, 2015 · US
Perfume systems
US-2015275132-A1 · Oct 1, 2015 · US
2-cycloalkyl resorcinol cannabinergic ligands
US-2015274623-A1 · Oct 1, 2015 · US
Process for 2,2,4,4-tetramethylcyclobutane-1,3-diol crystallization
US-9145346-B1 · Sep 29, 2015 · US
Cyclopropanamine compound and use thereof
US-2015266881-A1 · Sep 24, 2015 · US
Inhibitors of the 11-beta-hydroxysteroid dehydrogenase type 1 enzyme
US-2015265613-A1 · Sep 24, 2015 · US
Sulfamoyl-arylamides and the use thereof as medicaments for the treatment of hepatitis b
US-2015266890-A1 · Sep 24, 2015 · US
Amine derivative having NPY Y5 receptor antagonistic activity
US-9139518-B2 · Sep 22, 2015 · US
Hepatitis b antiviral agents
US-2015259324-A1 · Sep 17, 2015 · US
Radiation-sensitive composition and compound
US-9128370-B2 · Sep 8, 2015 · US
Alkoxy compounds for disease treatment
US-2015239836-A1 · Aug 27, 2015 · US
Alkoxy compounds for disease treatment
US-2015239825-A1 · Aug 27, 2015 · US
Squaramide derivatives as CXCR2 antagonist
US-9115087-B2 · Aug 25, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2601/04?
- CPC C07C2601/04 is the Cooperative Patent Classification code for “with a four-membered ring.”
- How many patents are filed under CPC C07C2601/04 (with a four-membered ring)?
- Our database includes 835 publications tagged with this CPC code.
- Is patent activity under CPC C07C2601/04 growing?
- Publication counts under this code: 76 in 2024 vs 48 in 2025 (latest complete years).