C09B 67/0041
Mixtures containing one azo dye
Official title: {mixtures containing one azo dye}
C09B67/0041 (Mixtures containing one azo dye) appears on 255 US grants and 188 published applications in this corpus.
Search patents in C09B- Granted patents
- 255
- Published applications
- 188
- Assignees
- 114
- Inventors
- 666
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 11 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 4 |
| 2003 | 5 | 5 |
| 2004 | 2 | 9 |
| 2005 | 2 | 6 |
| 2006 | 9 | 2 |
| 2007 | 2 | 10 |
| 2008 | 7 | 10 |
| 2009 | 5 | 15 |
| 2010 | 6 | 12 |
| 2011 | 8 | 9 |
| 2012 | 10 | 7 |
| 2013 | 13 | 10 |
| 2014 | 7 | 10 |
| 2015 | 6 | 11 |
| 2016 | 8 | 10 |
| 2017 | 9 | 8 |
| 2018 | 8 | 10 |
| 2019 | 9 | 9 |
| 2020 | 8 | 11 |
| 2021 | 2 | 5 |
| 2022 | 5 | 2 |
| 2023 | 2 | 8 |
| 2024 | 6 | 1 |
| 2025 | 2 | 0 |
| 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.
- Mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials21 Oct 2025US 12,448,519 B2Archroma (Switzerland) GmbH
- Process for colouring a thermoplastic polymer21 Oct 2025US 12,448,520 B2Rohm Co., Ltd.
- Ink accommodating body and ink composition17 Sep 2024US 12,091,564 B2Seiko Epson Corporation
- Anisotropic light absorption film and laminate10 Sep 2024US 12,085,742 B2FUJIFILM Corporation
- Synergists for Dimeric Pigments30 Jul 2026US 2026/0217982 A1Cabot Corporation
- Yellow and magenta donor formulations for increased red vividness16 Apr 2026US 2026/0103599 A1Kodak Alaris Inc.
- Yellow and magenta donor formulations for increased red vividness17 Oct 2024US 2024/0343908 A1Kodak Alaris Inc.
- Compositions comprising leuco compounds and colorants7 Dec 2023US 2023/0392018 A1Milliken & Company
- Process for colouring a thermoplastic polymer29 Jun 2023US 2023/0203313 A1Rohm Co., Ltd.
Most cited
By later US patents
- Photoreceptor69US 4,898,799 AKonica Corporation · 1990
- AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound56US 8,377,616 B2Canon Kabushiki Kaisha · 2013
- Dyeing composition for human hair containing an azo dye54US 4,886,517 AL'oreal · 1989
- Pigment preparation with perylene derivatives as dispersants37US 5,472,494 ABASF SE · 1995
- Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus34US 7,618,484 B2Canon Kabushiki Kaisha · 2009