C09B 23/0075
The polymethine chain being part of an heterocyclic ring
Official title: {the polymethine chain being part of an heterocyclic ring}
C09B23/0075 (The polymethine chain being part of an heterocyclic ring) appears on 193 US grants and 171 published applications in this corpus.
Search patents in C09B- Granted patents
- 193
- Published applications
- 171
- Assignees
- 109
- Inventors
- 463
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 7 |
| 2003 | 7 | 7 |
| 2004 | 5 | 6 |
| 2005 | 2 | 5 |
| 2006 | 4 | 4 |
| 2007 | 2 | 6 |
| 2008 | 1 | 8 |
| 2009 | 5 | 5 |
| 2010 | 7 | 6 |
| 2011 | 6 | 5 |
| 2012 | 8 | 3 |
| 2013 | 9 | 11 |
| 2014 | 4 | 6 |
| 2015 | 3 | 9 |
| 2016 | 10 | 7 |
| 2017 | 8 | 5 |
| 2018 | 4 | 9 |
| 2019 | 2 | 8 |
| 2020 | 4 | 7 |
| 2021 | 7 | 9 |
| 2022 | 6 | 6 |
| 2023 | 4 | 10 |
| 2024 | 3 | 9 |
| 2025 | 12 | 9 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nonlinear optical chromophores having short-chain bridge structures, low optical loss materials containing the same, and methods for preparing the same3 Mar 2026US 12,565,587 B2Lightwave Logic, Inc.
- Infrared-absorbing composition, film, optical filter, solid-state imaging element, image display device, and infrared sensor20 Jan 2026US 12,528,947 B2FUJIFILM Corporation
- Composition, film, optical filter, solid-state imaging element, image display device, infrared sensor, camera module, compound, and infrared absorber23 Dec 2025US 12,503,603 B2FUJIFILM Corporation
- Nonlinear optical chromophores having a diamondoid group attached thereto, methods of preparing the same, and uses thereof16 Dec 2025US 12,498,617 B2Lightwave Logic, Inc.
- Hydrogels with biodegradable crosslinking25 Nov 2025US 12,478,680 B2ProLynx LLC
- Phyllochlorin analogues suitable for use in photodynamic therapy (PDT)9 Jul 2026US 2026/0193265 A1RMW CHO Group Limited
- Cyanine-based fluorophores18 Jun 2026US 2026/0166182 A1Georgia State University Research Foundation, Inc.
- Nonlinear Optical Chromophores Having a Diamondoid Group Attached Thereto, Methods of Preparing the Same, and Uses Thereof5 Mar 2026US 2026/0063967 A1Lightwave Logic, Inc.
- Compound, composition, film, photoelectric conversion element and cmos image sensor25 Dec 2025US 2025/0393384 A1Mitsubishi Chemical Corporation
- Wavelength selective absorption filter and organic electroluminescent display device13 Nov 2025US 2025/0346750 A1FUJIFILM Corporation
Most cited
By later US patents
- Long wavelength heteroaryl-substituted dipyrrometheneboron difluoride dyes201US 5,248,782 AMolecular Probes, Inc. · 1993
- 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
- Class of high hyperpolarizability organic chromophores and process for synthesizing the same55US 6,067,186 APacific Wave Industries, Inc. · 2000
- Hydrazide compounds useful as co-developers for black-and-white photothermographic elements47US 5,496,695 AMinnesota Mining and Manufacturing Company · 1996
- Sterically stabilized polyene-bridged second-order nonlinear optical chromophores and devices incorporating the same39US 6,348,992 B1Pacific Wave Industries, Inc. · 2002