C09B 3/12
Dibenzanthronyls
C09B3/12 (Dibenzanthronyls) appears on 5 US grants and 3 published applications in this corpus.
Search patents in C09B- Granted patents
- 5
- Published applications
- 3
- Assignees
- 4
- Inventors
- 17
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for producing light of specified wavelength1 Jul 2025US 12,344,747 B1Imam Mohammad Ibn Saud Islamic University
- Benzanthracene derivatives for organic electroluminescent devices24 Mar 2015US 8,986,852 B2Merck Patent GmbH
- Fluorine derivatives for organic electroluminescence devices29 Jan 2013US 8,361,638 B2Merck Patent GmbH
- Benzanthracene derivative and electroluminescence device using the same9 Nov 2010US 7,829,206 B2Idemitsu Kosan Co., Ltd.
- Dichroic light polarizers11 Apr 2000US 6,049,428 AOptiva, Inc.
- Fluorine derivatives for organic electroluminescence devices17 Feb 2011US 2011/0037027 A1Merck Patent GmbH
- Benzanthracene derivatives for organic electroluminescent devices29 Jul 2010US 2010/0187505 A1Merck Patent GmbH
- Benzanthracene derivative and electroluminescence device using the same29 Nov 2007US 2007/0273272 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Dichroic light polarizers162US 6,049,428 AOptiva, Inc. · 2000
- Benzanthracene derivatives for organic electroluminescent devices33US 8,986,852 B2Merck Patent GmbH · 2015
- Fluorine derivatives for organic electroluminescence devices11US 8,361,638 B2Merck Patent GmbH · 2013
- Benzanthracene derivative and electroluminescence device using the same2US 7,829,206 B2Idemitsu Kosan Co., Ltd. · 2010