C09B 67/0055
Mixtures of two or more disazo dyes
Official title: {Mixtures of two or more disazo dyes}
C09B67/0055 (Mixtures of two or more disazo dyes) appears on 143 US grants and 107 published applications in this corpus.
Search patents in C09B- Granted patents
- 143
- Published applications
- 107
- Assignees
- 70
- Inventors
- 330
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 1 |
| 2002 | 1 | 3 |
| 2003 | 7 | 3 |
| 2004 | 3 | 4 |
| 2005 | 0 | 5 |
| 2006 | 4 | 9 |
| 2007 | 2 | 6 |
| 2008 | 8 | 11 |
| 2009 | 3 | 11 |
| 2010 | 10 | 7 |
| 2011 | 6 | 4 |
| 2012 | 4 | 4 |
| 2013 | 5 | 11 |
| 2014 | 8 | 4 |
| 2015 | 2 | 8 |
| 2016 | 5 | 1 |
| 2017 | 1 | 5 |
| 2018 | 1 | 1 |
| 2019 | 6 | 1 |
| 2020 | 0 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ink composition for ink jet printing15 Sep 2026US 12,735,591 B2Seiko Epson Corporation
- Reactive navy to black dye composition and dye product thereof6 Jan 2026US 12,516,194 B2Shanghai Kehua Dyestuff Industry Co., Ltd.
- Aqueous ink, ink cartridge and ink jet recording method18 Jul 2023US 11,702,556 B2Canon Kabushiki Kaisha
- Dichroic dye and liquid crystal composition21 Feb 2023US 11,584,853 B2DIC Corporation
- Ink set7 Feb 2023US 11,572,485 B2Seiko Epson Corporation
- Ink Composition For Ink Jet Printing9 May 2024US 2024/0150601 A1Seiko Epson Corporation
- A reactive navy to black dye composition and dye product thereof4 Jan 2024US 2024/0002669 A1Shanghai Kehua Dyestuff Industry Co., Ltd.
- Coloured or black particles15 Sep 2022US 2022/0291566 A1E Ink Corporation
- Dichroic dye and liquid crystal composition10 Mar 2022US 2022/0073750 A1DIC Corporation
- Aqueous ink, ink cartridge and ink jet recording method13 May 2021US 2021/0139724 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Toner including compound having bisazo skeleton53US 8,815,484 B2Canon Kabushiki Kaisha · 2014
- Diarylide pigment compositions40US 4,946,509 ASun Chemical Corporation · 1990
- Yellow dye mixtures comprising water-soluble fiber-reactive azo dyes and use thereof27US 6,238,442 B1DyStar Textilfarben GmbH & Co. Deutschland KG · 2001
- Anionic dye having high water-fastness25US 5,053,495 AImperial Chemical Industries PLC · 1991
- Anionic dye24US 5,203,912 AImperial Chemical Industries PLC · 1993