C07F 9/64
Acridine or hydrogenated acridine ring systems
C07F9/64 (Acridine or hydrogenated acridine ring systems) appears on 57 US grants and 47 published applications in this corpus.
Search patents in C07F- Granted patents
- 57
- Published applications
- 47
- Assignees
- 30
- Inventors
- 120
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 3 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 3 |
| 2002 | 0 | 3 |
| 2003 | 2 | 4 |
| 2004 | 2 | 5 |
| 2005 | 5 | 4 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 3 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 3 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 3 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nitrodiarylethenes as fluorescence quenchers for nucleic acid probes5 Aug 2025US 12,379,315 B2Elitechgroup Mdx LLC
- Sulfonated 2(7)-aminoacridone and 1-aminopyrene dyes and their use as fluorescent tags, in particular for carbohydrate analysis24 Dec 2024US 12,174,197 B2MAX-PLANCK-GESELLSCHAFT zur FOERDERUNG der WISSENSCHAFTEN.e.V
- Heterocyclic compound and organic light-emitting device including the same20 Aug 2024US 12,069,948 B2Samsung Display Co., Ltd.
- Pincer-type ligand having acridane structure and metal complex using the same7 Mar 2023US 11,596,934 B2Korea Advanced Institute of Science and Technology
- Heterocyclic compound and organic light emitting device including the same12 Oct 2021US 11,145,823 B2Samsung Display Co., Ltd.
- Organic compound, solar cell, and application thereof27 Aug 2026US 2026/0255872 A1Contemporary Amperex Future Energy Research Institute (Shanghai) Limited
- Heterocyclic compound and organic light-emitting device including the same12 Dec 2024US 2024/0415018 A1Samsung Display Co., Ltd.
- N-Doped Semiconducting Material Comprising Phosphine Oxide Matrix and Metal Dopant5 Sep 2024US 2024/0298524 A1Novaled GmbH
- Nitrodiarylethenes as fluorescence quenchers for nucleic acid probes21 Apr 2022US 2022/0119424 A1Elitechgroup Mdx LLC
- Sulfonated 2(7)-aminoacridone and 1-aminopyrene dyes and their use as fluorescent tags, in particular for carbohydrate analysis7 Apr 2022US 2022/0107325 A1MAX-PLANCK-GESELLSCHAFT zur FOERDERUNG der WISSENSCHAFTEN.e.V
Most cited
By later US patents
- Chromogenic acridinone enzyme substrates137US 4,810,636 AMiles Inc. · 1989
- Reduced ignition propensity smoking article51US 6,837,248 B2Lorillard Licensing Company, LLC · 2005
- Frangible compounds for pathogen inactivation41US 6,093,725 ACerus Corporation · 2000
- Removing compounds from blood products with porous particles immobilized in a matrix41US 7,037,642 B2Cerus Corporation · 2006
- Frangible compounds for pathogen inactivation33US 6,514,987 B1Cerus Corporation · 2003