C09B 67/0051
Mixture of two or more monoazo dyes
Official title: {mixture of two or more monoazo dyes}
C09B67/0051 (Mixture of two or more monoazo dyes) appears on 264 US grants and 124 published applications in this corpus.
Search patents in C09B- Granted patents
- 264
- Published applications
- 124
- Assignees
- 87
- Inventors
- 504
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 12 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 1 |
| 2002 | 5 | 5 |
| 2003 | 5 | 2 |
| 2004 | 5 | 7 |
| 2005 | 1 | 3 |
| 2006 | 6 | 7 |
| 2007 | 3 | 6 |
| 2008 | 2 | 16 |
| 2009 | 5 | 6 |
| 2010 | 9 | 9 |
| 2011 | 4 | 3 |
| 2012 | 7 | 9 |
| 2013 | 2 | 4 |
| 2014 | 9 | 7 |
| 2015 | 6 | 6 |
| 2016 | 3 | 5 |
| 2017 | 5 | 7 |
| 2018 | 8 | 4 |
| 2019 | 3 | 2 |
| 2020 | 4 | 3 |
| 2021 | 1 | 3 |
| 2022 | 6 | 4 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Yellow and magenta donor formulations for increased red vividness20 Jan 2026US 12,528,946 B2Kodak Alaris Inc.
- Water-based inkjet ink and method for producing inkjet printed material12 Aug 2025US 12,384,928 B2artience Co., Ltd.
- Pigment preparations10 Dec 2024US 12,163,031 B2LANXESS Deutschland GmbH
- High wet fast disperse dye mixtures of N-[4-(5-fluoro-2,4-dinitro-phenylazo)-phenyl]-amine derivatives and N-[4-(4-nitro-phenylazo)-phenyl]-amine derivatives24 Jan 2023US 11,560,480 B2DyStar Colours Distribution GmbH
- Ink jet textile printing ink composition and recording method15 Nov 2022US 11,499,063 B2Seiko Epson Corporation
- New class of disperse azo dyes, a process for the preparation thereof and the use thereof13 Aug 2026US 2026/0234404 A1Archroma (Switzerland) GmbH
- Yellow and magenta donor formulations for increased red vividness16 Apr 2026US 2026/0103599 A1Kodak Alaris Inc.
- Pigment preparations13 Mar 2025US 2025/0084251 A1LANXESS Deutschland GmbH
- Yellow and magenta donor formulations for increased red vividness17 Oct 2024US 2024/0343908 A1Kodak Alaris Inc.
- Water-based inkjet ink and method for producing inkjet printed material6 Jul 2023US 2023/0212412 A1Toyo Ink Sc Holdings Co., Ltd.
Most cited
By later US patents
- Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides: treatment with copper hydroxamates59US 4,707,161 ABASF SE · 1987
- Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides58US 4,613,334 ABASF SE · 1986
- AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound56US 8,377,616 B2Canon Kabushiki Kaisha · 2013
- Method of producing a compound having a colorant structure, and toner containing a compound obtained by the production method26US 9,715,187 B2Canon Kabushiki Kaisha · 2017
- Method for producing compound having colorant structure at main chain terminal of polymer, and pigment dispersant, pigment composition, pigment dispersion and toner containing compound obtained by the production method25US 9,556,290 B2Canon Kabushiki Kaisha · 2017