C07C 2603/54
Containing more than five condensed rings
Official title: containing more than five condensed rings
C07C2603/54 (Containing more than five condensed rings) appears on 254 US grants and 315 published applications in this corpus.
Search patents in C07C- Granted patents
- 254
- Published applications
- 315
- Assignees
- 128
- Inventors
- 604
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 3 |
| 2003 | 3 | 8 |
| 2004 | 8 | 11 |
| 2005 | 2 | 5 |
| 2006 | 2 | 6 |
| 2007 | 7 | 2 |
| 2008 | 3 | 9 |
| 2009 | 2 | 13 |
| 2010 | 5 | 6 |
| 2011 | 9 | 23 |
| 2012 | 8 | 12 |
| 2013 | 10 | 24 |
| 2014 | 17 | 29 |
| 2015 | 26 | 19 |
| 2016 | 19 | 21 |
| 2017 | 18 | 12 |
| 2018 | 10 | 12 |
| 2019 | 17 | 23 |
| 2020 | 10 | 22 |
| 2021 | 15 | 15 |
| 2022 | 16 | 12 |
| 2023 | 10 | 9 |
| 2024 | 9 | 8 |
| 2025 | 4 | 3 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circularly polarized OLED emitting layer composition14 Jul 2026US 12,680,018 B2Centre National de la Recherche Scientifique (CNRS)
- Method of preparing triterpenoid compound5 May 2026US 12,617,746 B2National Taiwan University
- Organic electroluminescent compound and organic electroluminescent device comprising the same21 Apr 2026US 12,610,738 B2DuPont Specialty Materials Korea Ltd.
- Composition for forming organic film, patterning process, and compound24 Mar 2026US 12,584,023 B2Shin-Etsu Chemical Co., Ltd.
- Organic compound, organic light emitting diode, and organic light emitting display device including the same10 Feb 2026US 12,545,833 B2LG Display Co., Ltd.
- Fullerene derivative, synthesis reaction of fullerene derivative, production method of fullerene derivative, vapor-deposited product, and production method of vapor-deposited product10 Sep 2026US 2026/0265060 A1Mitsubishi Corporation
- Hole-selective contact material, photoelectric conversion device and polycyclic aromatic hydrocarbon compound20 Aug 2026US 2026/0247781 A1Okinawa Institute of Science and Technology School Corporation
- Photoelectric conversion element, imaging element, photoelectric conversion element material, and compound26 Mar 2026US 2026/0090266 A1Tosoh Corporation
- Novel compound, organic electroluminescence device using the same, and electronic apparatus12 Mar 2026US 2026/0071120 A1Idemitsu Kosan Co., Ltd.
- Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device8 Jan 2026US 2026/0008745 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Materials for organic electroluminescent devices49US 8,852,756 B2Merck Patent GmbH · 2014
- Light-emitting material for organo-electroluminescence device and for organic electroluminescence device which the material is applied37US 6,280,859 B1Toyo Ink Manufacturing Co., Ltd. · 2001
- Diamondoid-containing materials in microelectronics35US 6,783,589 B2Chevron U.S.A.Inc. · 2004
- Organic electroluminescent element31US 6,416,887 B1Kabushiki Kaisha Toyota Chuo Kenkyusho · 2002
- Condensed eight-ring aromatic compound, and organic EL element and organic EL display using the same31US 6,805,977 B2Fujitsu Limited · 2004