C07D 517/22
In which the condensed system contains four or more hetero rings
Official title: in which the condensed system contains four or more hetero rings
C07D517/22 (In which the condensed system contains four or more hetero rings) appears on 32 US grants and 50 published applications in this corpus.
Search patents in C07D- Granted patents
- 32
- Published applications
- 50
- Assignees
- 22
- Inventors
- 90
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 5 |
| 2018 | 6 | 6 |
| 2019 | 2 | 3 |
| 2020 | 5 | 6 |
| 2021 | 4 | 4 |
| 2022 | 2 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 6 | 5 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Organic electroluminescent materials and devices25 Nov 2025US 12,479,861 B2Universal Display Corporation
- Composition for photoelectric device, and photoelectric device, image sensor and electronic device including the same21 Oct 2025US 12,448,397 B2Samsung Electronics Co., Ltd.
- Compound and sensor and sensor embedded display panel and electronic device15 Jul 2025US 12,358,930 B2Samsung Electronics Co., Ltd.
- Compound and photoelectric device, image sensor, and electronic device including the same1 Jul 2025US 12,349,592 B2Samsung Electronics Co., Ltd.
- Compound, production method therefor, and organic semiconductor material obtained using said compound17 Jun 2025US 12,331,062 B2Ishihara Sangyo Kaisha, Ltd.
- Resist composition, laminate, and patterning process17 Sep 2026US 2026/0277101 A1Shin-Etsu Chemical Co., Ltd.
- Organic electroluminescent materials and devices5 Mar 2026US 2026/0062424 A1University Display Corporation
- Sensor-embedded display panel and electronic device28 Aug 2025US 2025/0270232 A1Samsung Electronics Co., Ltd.
- Compound and photoelectric device, image sensor, and electronic device including the same14 Aug 2025US 2025/0257066 A1Samsung Electronics Co., Ltd.
- Organic material and organic optoelectronic device using the same7 Aug 2025US 2025/0255180 A1Raynergy Tek Incorporation
Most cited
By later US patents
- Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound, and intermediate thereof3US 10,056,563 B2Samsung Electronics Co., Ltd. · 2018
- Core modified porphyrins3US 6,984,656 B2The Research Foundation of State University of New York · 2006
- Conjugated polymers2US 10,053,542 B2Merck Patent GmbH · 2018
- Macrocyclic porphyrazine-type compounds, metal derivatives thereof and process for their preparation2US 6,337,395 B12002
- Polymer compound and electronic device using the same2US 9,396,831 B2Sumitomo Chemical Company, Limited · 2016