C09B 3/00
Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
C09B3/00 (Dyes with an anthracene nucleus condensed with one or more carbocyclic rings) appears on 231 US grants and 197 published applications in this corpus.
Search patents in C09B- Granted patents
- 231
- Published applications
- 197
- Assignees
- 116
- Inventors
- 606
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 10 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 6 |
| 2004 | 3 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 6 |
| 2007 | 2 | 7 |
| 2008 | 2 | 6 |
| 2009 | 4 | 8 |
| 2010 | 4 | 16 |
| 2011 | 2 | 13 |
| 2012 | 4 | 7 |
| 2013 | 12 | 22 |
| 2014 | 9 | 7 |
| 2015 | 16 | 14 |
| 2016 | 12 | 13 |
| 2017 | 9 | 8 |
| 2018 | 9 | 9 |
| 2019 | 7 | 11 |
| 2020 | 9 | 8 |
| 2021 | 8 | 8 |
| 2022 | 6 | 3 |
| 2023 | 3 | 4 |
| 2024 | 5 | 6 |
| 2025 | 4 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 3/14Perylene derivatives108
- C09B 3/78Dyes with an anthracene nucleus condensed with one or more carbocyclic rings47
- C09B 3/02Benzathrones43
- C09B 3/22Dibenzanthrones18
- C09B 3/60Anthanthrones12
- C09B 3/58Benzanthraquinones9
- C09B 3/40Pyranthrones7
- C09B 3/50Dibenzopyrenequinones3
All 9 subgroupsShow fewer
Recent patents
- Compound, photosensitive fluorescent resin composition comprising same, color conversion film prepared using same, backlight unit, and display device24 Mar 2026US 12,584,020 B2LG Chem.Ltd.
- Ultra bright dimeric or polymeric dyes with spacing linker groups24 Feb 2026US 12,560,612 B2Sony Group Corporation
- Deuterated fluorophores17 Feb 2026US 12,552,938 B2Howard Hughes Medical Institute
- Ultra bright dimeric or polymeric dyes with spacing linker groups4 Nov 2025US 12,461,106 B2Sony Group Corporation
- Materials for organic electroluminescent devices30 Sep 2025US 12,433,160 B2Merck Patent GmbH
- 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
- Optoelectronic component and method for producing an optoelectronic component27 Mar 2025US 2025/0107288 A1ams-OSRAM International GmbH
- Ultra bright dimeric or polymeric dyes with spacing linker groups1 Aug 2024US 2024/0255514 A1Sony Group Corporation
Most cited
By later US patents
- Dichroic light polarizers162US 6,049,428 AOptiva, Inc. · 2000
- Hydrolyzable fluorescent substrates and analytical determinations using same122US 4,812,409 AEastman Kodak Company · 1989
- Process for the preparation of N,N'-dimethylperylene-3,4,9,10-tetracarboxylic diimide in high-hiding pigment form60US 5,110,931 AHoechst Aktiengesellschaft · 1992
- Organic electroluminescent device60US 6,743,948 B1Idemitsu Kosan Co., Ltd. · 2004
- Photoelectric conversion device, photoelectric conversion device material, photosensor and imaging device52US 8,525,577 B2FUJIFILM Corporation · 2013