C09B 3/78
Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
Official title: Other dyes in which the anthracene nucleus is condensed with one or more carbocyclic rings
C09B3/78 (Dyes with an anthracene nucleus condensed with one or more carbocyclic rings) appears on 47 US grants and 57 published applications in this corpus.
Search patents in C09B- Granted patents
- 47
- Published applications
- 57
- Assignees
- 28
- Inventors
- 139
- Latest grant
- 29 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 9 |
| 2011 | 1 | 5 |
| 2012 | 3 | 3 |
| 2013 | 4 | 7 |
| 2014 | 4 | 3 |
| 2015 | 4 | 4 |
| 2016 | 8 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 3 | 4 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Organic electroluminescent element, light-emitting material therefor, light emitting device, display device, and illumination device29 Aug 2023US 11,744,144 B2UDC Ireland Limited
- Organic compound, organic light-emitting element, display device, imaging device, electronic device, illumination device, and moving object28 Jun 2022US 11,370,733 B2Canon Kabushiki Kaisha
- Aromatic amine derivative and organic electroluminescent device using the same28 Sep 2021US 11,133,478 B2Idemitsu Kosan Co., Ltd.
- Methods of using leuco colorants as bluing agents in laundry care compositions29 Jun 2021US 11,046,920 B2The Procter & Gamble Company
- Charge transport material, organic electroluminescent element, and illumination device, display device, or light-emitting device characterized by using said element13 Oct 2020US 10,804,469 B2UDC Ireland Limited
- Alternative solvent systems and dye formulations10 Sep 2026US 2026/0265527 A1
- Alternative solvent systems and dye formulations10 Sep 2026US 2026/0265529 A1
- Dyes with pH-dependent absorption and fluorescence19 Mar 2026US 2026/0078258 A1ATTO-TEC GmbH
- Aromatic amine derivative and organic electroluminescent device using the same9 Dec 2021US 2021/0384446 A1Idemitsu Kosan Co., Ltd.
- Organic compound, organic light-emitting element, display device, imaging device, electronic device, illumination device, and moving object13 Feb 2020US 2020/0048171 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Organic electroluminescent device60US 6,743,948 B1Idemitsu Kosan Co., Ltd. · 2004
- Organic electroluminescent device50US 5,858,563 ASanyo Electric Co., Ltd. · 1999
- Organic EL element50US 6,203,933 B1TDK Corporation · 2001
- Organic thin film transistor device and organic thin film light-emitting transistor50US 8,217,389 B2Idemitsu Kosan Co., Ltd. · 2012
- Organic electroluminescence device42US 6,951,693 B2Idemitsu Kosan Co., Ltd. · 2005