Ester compound
US-2024025838-A1 · Jan 25, 2024 · US
Fluorenes; Hydrogenated fluorenes
Fluorenes; Hydrogenated fluorenes · 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 | C07C2603/18 |
| Official title | Fluorenes; Hydrogenated fluorenes |
| Display label | Fluorenes; Hydrogenated fluorenes |
| Total patents | 1,191 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 89 |
| 2016 | 95 |
| 2017 | 97 |
| 2018 | 110 |
| 2019 | 104 |
| 2020 | 111 |
| 2021 | 104 |
| 2022 | 101 |
| 2023 | 150 |
| 2024 | 106 |
| 2025 | 89 |
| 2026 | 35 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Material for organic electroluminescent device and organic electroluminescent device including the same
US-2015376114-A1 · Dec 31, 2015 · US
Anthracene compound, method for preparing the same, use thereof and organic light emitting device
US-2015376085-A1 · Dec 31, 2015 · US
Organic compound and organic light-emitting device
US-2015372238-A1 · Dec 24, 2015 · US
Amine-based compound and organic light-emitting device including the same
US-2015364705-A1 · Dec 17, 2015 · US
Fluorene derivatives and lens using the same
US-9206287-B2 · Dec 8, 2015 · US
Fendiline derivatives and methods of use thereof
US-2015344407-A1 · Dec 3, 2015 · US
Organic compound and organic light-emitting device comprising the same
US-9196838-B2 · Nov 24, 2015 · US
Fluorene compound and pharmaceutical use thereof
US-2015329491-A1 · Nov 19, 2015 · US
Reactive compound, charge transporting film, photoelectric conversion device, electrophotographic photoreceptor and method of producing the same, process cartridge, and image forming apparatus
US-9188885-B2 · Nov 17, 2015 · US
Method for producing aromatic compound
US-2015322199-A1 · Nov 12, 2015 · US
Benzo[c]phenanthrene compound and organic light-emitting device containing same
US-9178161-B2 · Nov 3, 2015 · US
Sulfonic acid group-containing diamine compound and method for producing the same
US-9156780-B2 · Oct 13, 2015 · US
Aromatic amine derivative, organic electroluminescent element and electronic device
US-2015287921-A1 · Oct 8, 2015 · US
Amine derivative having NPY Y5 receptor antagonistic activity
US-9150507-B2 · Oct 6, 2015 · US
Fluorene derivative, light-emitting element, light-emitting device, electronic device, and lighting device
US-2015270484-A1 · Sep 24, 2015 · US
Organic light-emitting material, device and method
US-9142782-B2 · Sep 22, 2015 · US
Amine derivative having NPY Y5 receptor antagonistic activity
US-9139518-B2 · Sep 22, 2015 · US
Bax agonist, compositions, and methods related thereto
US-2015250793-A1 · Sep 10, 2015 · US
Compound and organic light-emitting device including the same
US-2015255721-A1 · Sep 10, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2603/18?
- CPC C07C2603/18 is the Cooperative Patent Classification code for “Fluorenes; Hydrogenated fluorenes.”
- How many patents are filed under CPC C07C2603/18 (Fluorenes; Hydrogenated fluorenes)?
- Our database includes 1,191 publications tagged with this CPC code.
- Is patent activity under CPC C07C2603/18 growing?
- Publication counts under this code: 106 in 2024 vs 89 in 2025 (latest complete years).