C09B 56/16
Methine- or polymethine-azo dyes
C09B56/16 (Methine- or polymethine-azo dyes) appears on 38 US grants and 13 published applications in this corpus.
Search patents in C09B- Granted patents
- 38
- Published applications
- 13
- Assignees
- 20
- Inventors
- 87
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Imaging compounds for detecting or imaging senescent cells16 Dec 2025US 12,496,361 B2University of Dundee
- Ink jet recording method and ink jet recording apparatus24 Nov 2020US 10,844,237 B2Canon Kabushiki Kaisha
- Labeling reagents and methods of their use9 May 2017US 9,645,153 B2Life Technologies Corporation
- Labeling reagents and methods of their use22 Sep 2015US 9,140,706 B2Life Technologies Corporation
- Colored curable composition, color resist, ink-jet ink, color filter and method for producing the same, solid-state image pickup device, image display device, liquid crystal display, organic el display, and colorant compound and tautomer thereof3 Jun 2014US 8,741,508 B2FUJIFILM Corporation
- Imaging compounds for detecting or imaging senescent cells19 Mar 2026US 2026/0077067 A1University of Dundee
- Imaging compounds for detecting or imaging senescent cells10 Apr 2025US 2025/0114483 A1University of Dundee
- Targeted photoacoustic agents and uses thereof14 Jan 2021US 2021/0008229 A1McMaster University
- Ink jet recording method and ink jet recording apparatus12 Mar 2020US 2020/0079968 A1Canon Kabushiki Kaisha
- Labeling Reagents and Methods of Their Use10 Dec 2015US 2015/0355186 A1Life Technologies Corporation
Most cited
By later US patents
- Optical diagnostic agents for diagnosis of neurodegenerative diseases by means of near infrared radiation (NIR radiation)41US 6,329,531 B1Schering Corporation · 2001
- Photoconductive compositions containing novel disazo compounds and electrophotographic photoreceptors using the same28US 4,568,623 AFuji Photo Film Co., Ltd. · 1986
- Photoconductor for electrophotography19US 4,935,323 AFuji Electric Co., Ltd. · 1990
- Methine-azo compounds containing cyclic cationic ammonium groups and open-chain coupling components16US 4,847,364 A1989
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus16US 6,139,997 ACanon Kabushiki Kaisha · 2000