C09B 33/24
Trisazo dyes of the type [image cpc-sch-c09b-1013.gif]
Official title: Trisazo dyes of the type [IMAGE cpc-sch-C09B-1013.gif]
C09B33/24 (Trisazo dyes of the type [image cpc-sch-c09b-1013.gif]) appears on 28 US grants and 20 published applications in this corpus.
Search patents in C09B- Granted patents
- 28
- Published applications
- 20
- Assignees
- 10
- Inventors
- 52
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 6 | 6 |
| 2013 | 5 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compound, tautomer of compound or salt of compound or tautomer, method for producing same, coloring composition, dyeing method, and dyed article4 Mar 2025US 12,240,842 B2FUJIFILM Corporation
- Electrowetting element15 Oct 2019US 10,444,489 B2Amazon Technologies, Inc.
- Coloring compound, yellow toner, ink, thermal transfer recording sheet, and color filter resist composition22 May 2018US 9,976,034 B1Canon Kabushiki Kaisha
- Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound18 Oct 2016US 9,470,995 B2Canon Kabushiki Kaisha
- Electrowetting device20 Sep 2016US 9,447,282 B2Amazon Technologies, Inc.
- Compound, tautomer of compound or salt of compound or tautomer, method for producing same, coloring composition, dyeing method, and dyed article3 Aug 2023US 2023/0242523 A1FUJIFILM Corporation
- Coloring compound, yellow toner, ink, thermal transfer recording sheet, and color filter resist composition3 May 2018US 2018/0118944 A1Canon Kabushiki Kaisha
- Electrowetting element5 Jan 2017US 2017/0003497 A1Amazon Technologies, Inc.
- Novel compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound22 Jan 2015US 2015/0024321 A1Canon Kabushiki Kaisha
- Electrowetting device31 Jul 2014US 2014/0211293 A1Liquavista B.V.
Most cited
By later US patents
- Coloring matter, ink, ink for ink jet, ink jet recording method, color toner, and color filter12US 8,101,011 B2FUJIFILM Corporation · 2012
- Disazo and trisazo dyes having a 1,3-diamino-, dihydroxy- or amino-hydroxy-benzene nucleus and metal complexes thereof9US 4,120,854 ASandoz Ltd. · 1978
- Ink set, inkjet recording method and recorded material9US 8,372,190 B2FUJIFILM Corporation · 2013
- Metal complex dyes of trisazo compounds having a 3,5-dinitro-2-hydroxyphenylazo group and two other arylazo groups bound to a 1-amino-3-hydroxy-1,3-diamino- or 1,3-dihydroxy-benzene nucleus8US 4,263,229 A1981
- Polyazo dyes with diazo components of the aminophenol and the amino diphenyl-sulfide, -sulfoxide or -sulfone series6US 5,104,979 ABASF SE · 1992