Fluorescent metal ion indicators with large stokes shifts
US-9846168-B2 · Dec 19, 2017 · US
[b, e]-condensed with two six-membered rings
[b, e]-condensed with two six-membered rings · 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 | C07D265/38 |
| Official title | [b, e]-condensed with two six-membered rings |
| Display label | [b, e]-condensed with two six-membered rings |
| Total patents | 256 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 20 |
| 2017 | 28 |
| 2018 | 33 |
| 2019 | 26 |
| 2020 | 36 |
| 2021 | 21 |
| 2022 | 26 |
| 2023 | 23 |
| 2024 | 11 |
| 2025 | 16 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Humic acid derivatives and methods of preparation and use
US-9840480-B2 · Dec 12, 2017 · US
Ddr2 inhibitors and methods of using
US-2017334865-A1 · Nov 23, 2017 · US
Compound and organic photoelectric device, image sensor and electronic device including the same
US-2017331050-A1 · Nov 16, 2017 · US
Heterocyclic compounds for use in electronic devices
US-2017324038-A1 · Nov 9, 2017 · US
Condensed-cyclic compound and organic light-emitting device including the same
US-9812651-B2 · Nov 7, 2017 · US
Spirobifluorene compounds for organic electroluminescent devices
US-9812648-B2 · Nov 7, 2017 · US
Phenanthrene compounds for organic electronic devices
US-9799833-B2 · Oct 24, 2017 · US
Organic electroluminescent element, display device, lighting device, pi-conjugated compound, and light-emitting thin film
US-2017271597-A1 · Sep 21, 2017 · US
Organic electroluminescent material and organic optoelectronic device
US-2017263871-A1 · Sep 14, 2017 · US
Organic light-emitting diode materials
US-2017244049-A1 · Aug 24, 2017 · US
Compound, device and method of making same
US-9735370-B2 · Aug 15, 2017 · US
Compounds for electronic devices
US-9735371-B2 · Aug 15, 2017 · US
3-aryl propiolonitrile compounds for thiol labeling
US-2017210700-A1 · Jul 27, 2017 · US
Compounds for electronic devices
US-2017179399-A1 · Jun 22, 2017 · US
Fused (hetero)cyclic compounds as s1p modulators
US-2017174672-A1 · Jun 22, 2017 · US
Organic light-emitting device
US-2017155050-A1 · Jun 1, 2017 · US
3-aryl propiolonitrile compounds for thiol labeling
US-9663454-B2 · May 30, 2017 · US
Mediator for test sensor
US-9656976-B2 · May 23, 2017 · US
Humic acid derivatives and methods of preparation and use
US-2017088528-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D265/38?
- CPC C07D265/38 is the Cooperative Patent Classification code for “[b, e]-condensed with two six-membered rings.”
- How many patents are filed under CPC C07D265/38 ([b, e]-condensed with two six-membered rings)?
- Our database includes 256 publications tagged with this CPC code.
- Is patent activity under CPC C07D265/38 growing?
- Publication counts under this code: 11 in 2024 vs 16 in 2025 (latest complete years).