C09B 62/453
Disazo or polyazo dyes
C09B62/453 (Disazo or polyazo dyes) appears on 10 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 10
- Published applications
- 1
- Assignees
- 5
- Inventors
- 20
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Reactive dyes and preparation methods thereof17 Sep 2024US 12,091,552 B2Nantong University
- Reactive colorants, mixtures of reactive colorants and production and use thereof25 Mar 2003US 6,537,332 B1Ciba Speciality Chemicals Corporation
- Azo dyes, their preparation and their use12 Dec 2000US 6,160,101 ACiba Specialty Chemicals Corporation
- Mixtures of reactive dyes and their use15 Dec 1998US 5,849,887 ACiba Specialty Chemicals Corporation
- Disazo dyes containing a hydroxybenzene or alkoxybenzene middle component30 May 1995US 5,420,258 ACiba-Geigy Corporation
Most cited
By later US patents
- Mixtures of reactive dyes and their use18US 5,849,887 ACiba Specialty Chemicals Corporation · 1998
- Water-soluble disazo compounds suitable as fiber-reactive dyestuffs11US 4,430,259 AHoechst Aktiengesellschaft · 1984
- Water-soluble monoazo compounds containing a N-(sulfoalkyl)-aniline coupling component and a fiber-reactive group of the vinylsulfonyl series in the phenyl or benzothiazole diazo component, suitable as fiber-reactive dyestuffs11US 4,652,634 AHoechst Aktiengesellschaft · 1987
- Reactive colorants, mixtures of reactive colorants and production and use thereof10US 6,537,332 B1Ciba Speciality Chemicals Corporation · 2003
- Water-soluble disazo compounds containing the 1-amino-8-hydroxy-3,6-disulfo-naphthalene moiety as a bivalent coupling component and an aniline or naphthylamine compound having a fiber-reactive group, and a 2-sulfo-5-acylamino-aniline5US 4,818,814 AHoechst Aktiengesellschaft · 1989