C09B 6/00
Anthracene dyes not provided for above
C09B6/00 (Anthracene dyes not provided for above) appears on 31 US grants and 42 published applications in this corpus.
Search patents in C09B- Granted patents
- 31
- Published applications
- 42
- Assignees
- 23
- Inventors
- 80
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 4 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 8 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 3 | 3 |
| 2020 | 3 | 4 |
| 2021 | 4 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deuterated fluorophores17 Feb 2026US 12,552,938 B2Howard Hughes Medical Institute
- Fluorescent dye oil tracer compositions7 Jan 2025US 12,188,350 B2Saudi Arabian Oil Company
- Method for chlorinating blue anthrone, violanthrone or isoviolantrone26 Mar 2024US 11,939,475 B2
- Deuterated fluorophores17 Oct 2023US 11,787,946 B2Howard Hughes Medical Institute
- Fluorescent compositions20 Jun 2023US 11,680,202 B2National Technology & Engineering Solutions of Sandia, LLC
- Caging-group-free photoactivatable fluorescent dyes and their use12 Jun 2025US 2025/0188284 A1MAX-PLANCK-GESELLSCHAFT zur FOERDERUNG der WISSENSCHAFTEN.e.V
- Fluorescent dye oil tracer compositions13 Mar 2025US 2025/0084759 A1Saudi Arabian Oil Company
- Deuterated Fluorophores15 Feb 2024US 2024/0052169 A1Howard Hughes Medical Institute
- Fluorescent dye oil tracer compositions14 Dec 2023US 2023/0399942 A1Saudi Arabian Oil Company
- Method for chlorinating blue anthrone, violanthrone or isoviolantrone25 May 2023US 2023/0159761 A1
Most cited
By later US patents
- Organic electroluminescent device60US 6,743,948 B1Idemitsu Kosan Co., Ltd. · 2004
- Anthraquinone and anthracene derivatives as inhibitors of the cell-adhesion molecules of the immune system43US 5,412,123 AGlycomed Incorporated · 1995
- Organic electroluminescence device42US 6,951,693 B2Idemitsu Kosan Co., Ltd. · 2005
- Organic EL element and organic EL material-containing solution32US 9,082,995 B2Idemitsu Kosan Co., Ltd. · 2015
- Anthracene derivative and organic electroluminescence device employing the same21US 7,504,526 B2Idemitsu Kosan Co., Ltd. · 2009