C09B 57/00
Organic dyes or closely-related compounds for producing dyes: other synthetic dyes of
Official title: Other synthetic dyes of known constitution
C09B57/00 (Organic dyes or closely-related compounds for producing dyes: other synthetic dyes of) appears on 2,566 US grants and 2,643 published applications in this corpus.
Search patents in C09B- Granted patents
- 2,566
- Published applications
- 2,643
- Assignees
- 819
- Inventors
- 5,254
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 49 | 0 |
| 1977 | 53 | 0 |
| 1978 | 28 | 0 |
| 1979 | 23 | 0 |
| 1980 | 24 | 0 |
| 1981 | 25 | 0 |
| 1982 | 27 | 0 |
| 1983 | 20 | 0 |
| 1984 | 15 | 0 |
| 1985 | 21 | 0 |
| 1986 | 17 | 0 |
| 1987 | 13 | 0 |
| 1988 | 16 | 0 |
| 1989 | 19 | 0 |
| 1990 | 17 | 0 |
| 1991 | 22 | 0 |
| 1992 | 23 | 0 |
| 1993 | 27 | 0 |
| 1994 | 20 | 0 |
| 1995 | 29 | 0 |
| 1996 | 19 | 0 |
| 1997 | 25 | 0 |
| 1998 | 35 | 0 |
| 1999 | 31 | 0 |
| 2000 | 34 | 0 |
| 2001 | 28 | 11 |
| 2002 | 28 | 29 |
| 2003 | 32 | 47 |
| 2004 | 24 | 58 |
| 2005 | 19 | 50 |
| 2006 | 33 | 58 |
| 2007 | 26 | 82 |
| 2008 | 43 | 102 |
| 2009 | 60 | 96 |
| 2010 | 50 | 136 |
| 2011 | 71 | 167 |
| 2012 | 80 | 161 |
| 2013 | 131 | 155 |
| 2014 | 129 | 185 |
| 2015 | 156 | 189 |
| 2016 | 141 | 156 |
| 2017 | 151 | 120 |
| 2018 | 122 | 153 |
| 2019 | 132 | 125 |
| 2020 | 98 | 109 |
| 2021 | 93 | 75 |
| 2022 | 63 | 94 |
| 2023 | 62 | 102 |
| 2024 | 71 | 75 |
| 2025 | 50 | 64 |
| 2026 | 41 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 57/008Triarylamine dyes containing no other chromophores437
- C09B 57/10Metal complexes of organic compounds not being dyes in uncomplexed form384
- C09B 57/02Coumarine dyes249
- C09B 57/007Squaraine dyes236
- C09B 57/001Pyrene dyes164
- C09B 57/08Naphthalimide dyes163
- C09B 57/04Isoindoline dyes160
- C09B 57/004Diketopyrrolopyrrole dyes150
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Simultaneously dyeing and flame-retardant finishing method for polyester based textile6 Oct 2026US 12,753,549 B2Daikyo Chemical Co., Ltd.
- Electrochromic composition, anti-peep film, and display device22 Sep 2026US 12,742,989 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Pigment and method for producing same, solution, metal hydroxyl amount evaluation method, and metal hydroxyl processing rate evaluation method1 Sep 2026US 12,723,158 B2Kyoto University
- Method for producing fluorenone25 Aug 2026US 12,715,831 B2Mitsubishi Gas Chemical Company, Inc.
- Laminate, display device, and organic electroluminescent display device8 Oct 2026US 2026/0314244 A1FUJIFILM Corporation
- Ophthalmic lens comprising an acrylonitrile compound24 Sep 2026US 2026/0286135 A1Essilor International
- Photochromic compound, propargyl alcohol compound, curable composition, optical article, lens, and spectacles24 Sep 2026US 2026/0286216 A1Tokuyama Corporation
- Coumarin-based crosslinking reagents17 Sep 2026US 2026/0276646 A1Ventana Medical Systems, Inc.
- Isoindoline compound3 Sep 2026US 2026/0258019 A1DIC Corporation
Most cited
By later US patents
- Polymeric transition metal complexes and uses thereof1,155US 6,605,200 B1TheraSense, Inc. · 2003
- Transition metal complexes with bidentate ligand having an imidazole ring and sensor constructed therewith1,152US 6,605,201 B1TheraSense, Inc. · 2003
- Blue emitting internal junction organic electroluminescent device (I)398US 5,151,629 AEastman Kodak Company · 1992
- Fluorescent dyes for use in glucose sensing385US 7,417,164 B2Glumetrics, Inc. · 2008
- Organometallic complexes as phosphorescent emitters in organic LEDs235US 6,830,828 B2The Trustees of Princeton University · 2004