C09B 62/4424
Azo dyes
Official title: {Azo dyes}
C09B62/4424 (Azo dyes) appears on 18 US grants and 4 published applications in this corpus.
Search patents in C09B- Granted patents
- 18
- Published applications
- 4
- Assignees
- 9
- Inventors
- 30
- Latest grant
- 8 Jan 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fiber-reactive azo dyes and dye mixtures, preparation thereof and use thereof8 Jan 2013US 8,349,029 B2DyStar Colours Deutschland GmbH
- Organic compounds13 Mar 2007US 7,189,831 B2Clariant Finance (BVI) Limited
- 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
- Fiber-reactive disazo dyestuffs4 Sep 2001US 6,284,876 B1Clariant International Ltd.
- Reactive monoazo dyestuffs and the processes in which they are produced5 May 1998US 5,747,657 AClariant Finance (BVI) Limited
- Fiber-reactive azo dyes and dye mixtures, preparation thereof and use thereof30 Aug 2012US 2012/0216356 A1DyStar Colours Deutschland GmbH
- Reactive Polyazo Dyes28 Feb 2008US 2008/0047079 A1DyStar Textilfarben GmbH & Co. Deutschland KG
- Water-soluble fiber-reactive disazo dyes, method for producing the same and the use thereof3 Nov 2005US 2005/0241079 A1DyStar Textilfarben GmbH & Co. Deutschland KG
- Organic compounds9 Dec 2004US 2004/0249136 A1Clariant Finance (BVI) Limited
Most cited
By later US patents
- Reactive disazo compounds18US 4,425,270 ANippon Kayaku Kabushiki Kaisha · 1984
- Reactive dyes containing fluoro-chloro-pyrimidyl groups and vinylsulfonyl groups or the like16US 4,935,501 ACiba-Geigy Corporation · 1990
- Reactive disazo dyes containing halopyrimidyl and sulfonyl groups9US 4,746,732 ACiba-Geigy Corporation · 1988
- Reactive disazo dyes containing fluoro-chloropyrimidyl groups and vinyl sulfonyl group9US 4,996,304 ACiba-Geigy Corporation · 1991
- Process for dyeing or printing of fibre material from natural or synthetic polyamides with reactive disazo dyes7US 4,917,705 ACiba-Geigy Corporation · 1990