C09B 62/245
Monoazo dyes
C09B62/245 (Monoazo dyes) appears on 18 US grants and 3 published applications in this corpus.
Search patents in C09B- Granted patents
- 18
- Published applications
- 3
- Assignees
- 9
- Inventors
- 34
- Latest grant
- 31 Oct 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reactive azo dyes, their preparation and their use31 Oct 2006US 7,129,336 B2DyStar Textilfarben GmbH & Co. Deutschland KG
- Reactive azo dyes preparation thereof and use thereof31 May 2005US 6,900,294 B2DyStar Textilfarben GmbH & Co. Deutschland KG
- Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye26 Apr 2005US 6,884,266 B2L'oreal
- Monoazo reactive dyes3 Oct 2000US 6,127,531 AClariant Finance (BVI) Limited
- Water-soluble monoazo compounds, preparation thereof and use thereof as dyes5 Sep 2000US 6,114,511 ADyStar Textilfarben GmbH & Co.
- Reactive azo dyes, their preparation and their use21 Jul 2005US 2005/0159592 A1DyStar Textilfarben GmbH & Co. Deutschland KG
- Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye1 Jul 2004US 2004/0123400 A1L'oreal
- Reactive azo dyes preparaton therof and use thereof13 Nov 2003US 2003/0212261 A1DyStar Textilfarben GmbH & Co. Deutschland KG
Most cited
By later US patents
- Quaternary ammonium compounds and their use as dyeing assistants for polyamide fibers9US 4,441,884 ASandoz Ltd. · 1984
- 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
- Fiber reactive azo dyes containing a 2-quinolone diazo component radical5US 5,770,709 ADyStar Textilfarben GmbH & Co. Deutschland KG · 1998
- Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye5US 6,884,266 B2L'oreal · 2005
- Water-soluble monoazo compounds, preparation thereof and use thereof as dyes4US 6,114,511 ADyStar Textilfarben GmbH & Co. · 2000