C09B 23/04
One >ch- group
Official title: one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
C09B23/04 (One >ch- group) appears on 406 US grants and 435 published applications in this corpus.
Search patents in C09B- Granted patents
- 406
- Published applications
- 435
- Assignees
- 184
- Inventors
- 1,099
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 15 |
| 2003 | 9 | 16 |
| 2004 | 8 | 7 |
| 2005 | 2 | 10 |
| 2006 | 1 | 11 |
| 2007 | 5 | 4 |
| 2008 | 8 | 18 |
| 2009 | 6 | 21 |
| 2010 | 14 | 27 |
| 2011 | 13 | 25 |
| 2012 | 22 | 23 |
| 2013 | 21 | 27 |
| 2014 | 21 | 23 |
| 2015 | 20 | 31 |
| 2016 | 20 | 19 |
| 2017 | 19 | 18 |
| 2018 | 14 | 15 |
| 2019 | 19 | 14 |
| 2020 | 9 | 15 |
| 2021 | 6 | 10 |
| 2022 | 10 | 23 |
| 2023 | 9 | 22 |
| 2024 | 10 | 15 |
| 2025 | 10 | 15 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Calibration aid for optical imaging applications7 Jul 2026US 12,674,748 B2Centre National De La Recherche Scientifique
- Fluorenyl cyanine dyes2 Jun 2026US 12,644,001 B2Biotium, Inc.
- Laminate comprising a wavelength-conversion material and a wavelength-selective absorption layer, display device, and organic electroluminescent display device3 Mar 2026US 12,568,754 B2FUJIFILM Corporation
- Temperature programmable small molecules for thermoresponsive smart windows and applications thereof3 Feb 2026US 12,540,278 B2Council of Scientific and Industrial Research
- Wavelength selective absorption filter and organic electroluminescent display device25 Nov 2025US 12,479,989 B2FUJIFILM Corporation
- Laminate, display device, and organic electroluminescent display device8 Oct 2026US 2026/0314244 A1FUJIFILM Corporation
- Fluorescent probes for magl20 Aug 2026US 2026/0241039 A1Hoffmann-La Roche Inc.
- Metal complex compounds as photosensitizers for photodynamic therapy30 Jul 2026US 2026/0217749 A1Centre National De La Recherche Scientifique
- Cannabinoid receptor 2 modulators16 Jul 2026US 2026/0200892 A1Hoffmann-La Roche Inc.
- Molecular renal probes for detecting acute kidney injury11 Jun 2026US 2026/0158174 A1Nanyang Technological University
Most cited
By later US patents
- Long wavelength heteroaryl-substituted dipyrrometheneboron difluoride dyes201US 5,248,782 AMolecular Probes, Inc. · 1993
- Methods of using dyes in association with nucleic acid staining or detection and associated technology187US 7,803,943 B2Biotium, Inc. · 2010
- Methods of using dyes in association with nucleic acid staining or detection and associated technology184US 7,601,498 B2Biotium, Inc. · 2009
- Azlactone-related dopants in the emissive layer of an OLED141US 6,030,715 AThe Trustees of Princeton University · 2000
- Fluorescent viability assay using cyclic-substituted unsymmetrical cyanine dyes112US 5,534,416 AMolecular Probes, Inc. · 1996