C09B 62/51
Monoazo dyes
C09B62/51 (Monoazo dyes) appears on 92 US grants and 19 published applications in this corpus.
Search patents in C09B- Granted patents
- 92
- Published applications
- 19
- Assignees
- 25
- Inventors
- 129
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 12 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 3 | 4 |
| 2005 | 3 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 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
- Mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials21 Oct 2025US 12,448,519 B2Archroma (Switzerland) GmbH
- Bisazo dyes and mixtures thereof26 Feb 2019US 10,214,648 B2Archroma IP GmbH
- Fiber-reactive azo dyes and dye mixtures, preparation thereof and use thereof8 Jan 2013US 8,349,029 B2DyStar Colours Deutschland GmbH
- Black dye composition and black ink composition for textile digital printing28 Apr 2009US 7,524,368 B2Everlight USA, Inc.
- Mono-, di-or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials23 Dec 2008US 7,468,081 B2DyStar Textilfarben GmbH & Co. Deutschland KG
- Mixture Of Reactive Dyes And Their Use For The Dyeing Or Printing Of Textile Fibre Materials1 Jun 2023US 2023/0167304 A1Archroma (Switzerland) GmbH
- Bisazo dyes and mixtures thereof4 May 2017US 2017/0121527 A1Archroma IP GmbH
- Fibre-Reactive Dyes, Their Preparation and Their Use30 Jan 2014US 2014/0026333 A1
- Fiber-reactive azo dyes and dye mixtures, preparation thereof and use thereof30 Aug 2012US 2012/0216356 A1DyStar Colours Deutschland GmbH
- Nucleic acid derivatives and methods of use9 Apr 2009US 2009/0090628 A1BioDynamics Laboratory, Inc
Most cited
By later US patents
- Phenyl-azo-phenyl dyestuffs20US 4,134,887 AHoechst Aktiengesellschaft · 1979
- Monoazo reactive dyestuffs18US 4,036,825 AHoechst Aktiengesellschaft · 1977
- Water-soluble fiber reactive phenyl-azo-naphthyl dyestuffs containing two sulfo groups in the phenyl moiety18US 4,066,638 AHoechst Aktiengesellschaft · 1978
- Azo dyes from a 2-aminothiophene having 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydrocyalkyl) carbamoyl groups on its ring12US 4,301,068 AEastman Kodak Company · 1981
- Red or bluish-red fiber-reactive monoazo compound having 7-substituted amino-1-naphthol-sulfonic acid as coupling component between the chromophore and fiber reactive portions of the compound12US 4,837,310 ASumitomo Chemical Company, Limited · 1989