C09B 23/105
Two >ch- groups
Official title: {two >CH- groups}
C09B23/105 (Two >ch- groups) appears on 287 US grants and 261 published applications in this corpus.
Search patents in C09B- Granted patents
- 287
- Published applications
- 261
- Assignees
- 154
- Inventors
- 741
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 9 | 0 |
| 1978 | 12 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 11 |
| 2003 | 5 | 12 |
| 2004 | 6 | 2 |
| 2005 | 1 | 3 |
| 2006 | 3 | 9 |
| 2007 | 2 | 8 |
| 2008 | 6 | 9 |
| 2009 | 7 | 11 |
| 2010 | 10 | 18 |
| 2011 | 11 | 10 |
| 2012 | 10 | 14 |
| 2013 | 14 | 19 |
| 2014 | 15 | 14 |
| 2015 | 14 | 25 |
| 2016 | 11 | 15 |
| 2017 | 11 | 16 |
| 2018 | 14 | 9 |
| 2019 | 17 | 15 |
| 2020 | 13 | 6 |
| 2021 | 5 | 5 |
| 2022 | 3 | 6 |
| 2023 | 2 | 5 |
| 2024 | 7 | 6 |
| 2025 | 1 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyanine dyes12 May 2026US 12,624,391 B2Pacific Biosciences of California, Inc.
- Fluorescent dye, preparation method and uses thereof12 May 2026US 12,625,141 B2Fluorescence Diagnosis (Shanghai) Biotech Company
- Fluorescent probe and protein labeling method28 Apr 2026US 12,613,246 B2Fluorescence Diagnosis (Shanghai) Biotech Company
- Infrared-absorbing composition, film, optical filter, solid-state imaging element, image display device, and infrared sensor20 Jan 2026US 12,528,947 B2FUJIFILM Corporation
- Cyanine derivatives and related uses6 Jan 2026US 12,516,374 B2Element Biosciences, Inc.
- Molecular renal probes for detecting acute kidney injury11 Jun 2026US 2026/0158174 A1Nanyang Technological University
- Cyanine derivatives and related uses7 May 2026US 2026/0125751 A1Element Biosciences, Inc.
- Hemicyanine push-pull dyes based on chromene electron donors19 Feb 2026US 2026/0048151 A1
- Methods of Synthesizing Chromophore Acceptors19 Feb 2026US 2026/0049052 A1Lightwave Logic, Inc.
- Probes for cellular senescence17 Jul 2025US 2025/0228983 A1
Most cited
By later US patents
- Multilayer analytical element88US 4,066,403 AEastman Kodak Company · 1978
- Liquid crystal compound, liquid crystal mixture or composition, electrolyte comprising the same, electrochemical cell and photo-electrochemical cell containing the electrolyte73US 6,495,067 B1Fuji Photo Film Co., Ltd. · 2002
- Covalent tethering of functional groups to proteins and substrates therefor64US 7,425,436 B2Promega Corporation · 2008
- Photoelectric conversion device, photoelectric conversion device material, photosensor and imaging device52US 8,525,577 B2FUJIFILM Corporation · 2013
- Hydrazide compounds useful as co-developers for black-and-white photothermographic elements47US 5,496,695 AMinnesota Mining and Manufacturing Company · 1996