C09B 62/47
Azo dyes
C09B62/47 (Azo dyes) appears on 28 US grants and 9 published applications in this corpus.
Search patents in C09B- Granted patents
- 28
- Published applications
- 9
- Assignees
- 13
- Inventors
- 58
- Latest grant
- 23 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Coloring composition, light absorption anisotropic film, laminate, and image display device23 Feb 2021US 10,927,260 B2FUJIFILM Corporation
- Particles for electrophoretic displays8 Nov 2016US 9,487,611 B2Merck Patent GmbH
- Fibre-reactive dyes, their preparation and their use11 Aug 2009US 7,572,301 B2Huntsman International LLC
- Trisazo reactive dyestuff compound24 Jun 2008US 7,390,889 B1Everlight USA, Inc.
- Water-soluble fiber-reactive disazo dyes, method for producing the same and the use thereof7 Nov 2006US 7,132,517 B2DyStar Textilfarben GmbH & Co. Deutschland KG
- Probes for fluorescence imaging11 Sep 2025US 2025/0283800 A1The General Hospital Corporation
- Coloring composition, light absorption anisotropic film, laminate, and image display device20 Dec 2018US 2018/0362768 A1FUJIFILM Corporation
- Method for coloring a substrate using atmospheric pressure plasma polymerization28 Sep 2017US 2017/0275814 A1APJeT, Inc.
- Fibre-Reactive Dyes, Their Preparation and Their Use30 Jan 2014US 2014/0026333 A1
- Particles for electrophoretic displays15 Aug 2013US 2013/0208344 A1Merck Patent GmbH
Most cited
By later US patents
- Polymerizable metal-azo and metal-azomethine dyes20US 5,166,326 AMinnesota Mining and Manufacturing Company · 1992
- Mixtures of reactive dyes and their use18US 5,849,887 ACiba Specialty Chemicals Corporation · 1998
- Reactive colorants, mixtures of reactive colorants and production and use thereof10US 6,537,332 B1Ciba Speciality Chemicals Corporation · 2003
- Monoazo dyes containing a 4-substituted-2-azo-1,1'-diphenylsulfone component9US 4,602,084 ACiba-Geigy Corporation · 1986
- Reactive dyes containing the 2-(cyano, carbonamido, sulfo-, hydroxy- or sulfato-C.sub.2 -C.sub.5 -alkyleneamino)-6-sulfo- or 3,6-disulfo-8-hydroxynaphthyl-(1) coupling component8US 5,023,326 ACiba-Geigy Corporation · 1991