C09B 49/00
Sulfur dyes
C09B49/00 (Sulfur dyes) appears on 71 US grants and 62 published applications in this corpus.
Search patents in C09B- Granted patents
- 71
- Published applications
- 62
- Assignees
- 51
- Inventors
- 173
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 3 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 7 |
| 2010 | 9 | 4 |
| 2011 | 4 | 3 |
| 2012 | 3 | 2 |
| 2013 | 2 | 5 |
| 2014 | 3 | 5 |
| 2015 | 3 | 3 |
| 2016 | 6 | 7 |
| 2017 | 2 | 5 |
| 2018 | 4 | 1 |
| 2019 | 4 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 5 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 49/12From other compounds31
- C09B 49/06From azines, oxazines, thiazines or thiazoles5
- C09B 49/10From diphenylamines, indamines, or indophenols5
- C09B 49/04From amino compounds of the benzene, naphthalene or anthracene series4
- C09B 49/02From nitro compounds of the benzene, naphthalene or anthracene series3
- C09B 49/08From urea derivatives0
Recent patents
- Application of deep eutectic solvent in textile dyeing22 Oct 2024US 12,123,134 B2Jiangnan University
- Fluorogenic pH-sensitive dyes, film and kit comprising the same22 Jun 2021US 11,041,812 B2Sfc Co., Ltd.
- Carboxylate-bridged binuclear iron-sulfur clusters fluorescent probe, preparation method and application thereof16 Jul 2019US 10,352,917 B2Dalian University of Technology
- Infrared cut filter, solid-state imaging device, and imaging/display apparatus9 Jul 2019US 10,345,498 B2AGC Inc.
- Coloring composition, cured film, color filter, method for manufacturing color filter, solid-state imaging device, image display device, organic electroluminescent element, colorant, and method for producing colorant11 Jun 2019US 10,317,794 B2FUJIFILM Corporation
- Process for the preparation of one or more compounds of thiopyridinone type16 Jul 2026US 2026/0200856 A1L'oreal
- Light absorption filter, optical filter, manufacturing method for optical filter, organic electroluminescent display device, inorganic electroluminescent display device, and liquid crystal display device17 Apr 2025US 2025/0123432 A1FUJIFILM Corporation
- Thienyl-dibenzoazepines and their derivatives as donors for xanthene-based short-wave infrared (swir) dyes20 Jun 2024US 2024/0199882 A1Mississippi State University
- Absorbent articles containing wetness indicating compositions and methods for manufacture28 Dec 2023US 2023/0414416 A1The Procter & Gamble Company
- Nanoparticle28 Dec 2023US 2023/0414793 A1Sumitomo Chemical Company, Limited
Most cited
By later US patents
- Water-soluble sulphur dyes, their preparation and use46US 5,383,961 ACassella Aktiengesellschaft · 1995
- Fluorogenic dyes45US 7,704,756 B2Novartis Vaccines and Diagnostics, Inc. · 2010
- Light-emitting material for organo-electroluminescence device and for organic electroluminescence device which the material is applied37US 6,280,859 B1Toyo Ink Manufacturing Co., Ltd. · 2001
- Xanthene dyes22US 7,704,284 B2Ciba Corporation · 2010
- Protein label and drug delivery system17US 4,751,286 AThe Johns Hopkins University · 1988