C09B 62/477
Metal complex azo dyes
C09B62/477 (Metal complex azo dyes) appears on 8 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 8
- Published applications
- 1
- Assignees
- 3
- Inventors
- 10
- Latest grant
- 7 Nov 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Polymerizable metal-azo and metal-azomethine dyes24 Nov 1992US 5,166,326 AMinnesota Mining and Manufacturing Company
- Fibre-reactive 1:1 chromium complex azo or azomethine dyes having a bidentate chelating group and a monofunctional neutral ligand19 Mar 1991US 5,001,227 ACiba-Geigy Corporation
- Fiber-reactive chromium complexes and their preparation and use for polyamide, leather and cotton21 Mar 1989US 4,813,972 ACiba-Geigy Corporation
- Fibre-reactive chromium complexes and their preparation and use2 Feb 1988US 4,723,001 ACiba-Geigy Corporation
Most cited
By later US patents
- Polymerizable metal-azo and metal-azomethine dyes20US 5,166,326 AMinnesota Mining and Manufacturing Company · 1992
- Process for dyeing natural protein fibres with metallic azo dyes3US 4,105,400 ACiba-Geigy Corporation · 1978
- Sulfo-substituted fibre-reactive 1:2-chromium complex azo dyes2US 4,432,898 ACiba-Geigy Corporation · 1984
- Fibre-reactive 1:1 chromium complex azo or azomethine dyes having a bidentate chelating group and a monofunctional neutral ligand2US 5,001,227 ACiba-Geigy Corporation · 1991
- Water-soluble fiber-reactive disazo dyes, method for producing the same and the use thereof2US 7,132,517 B2DyStar Textilfarben GmbH & Co. Deutschland KG · 2006