C09B 62/032
Metal complex azo dyes
C09B62/032 (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
- 5
- Inventors
- 14
- Latest grant
- 26 Oct 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Metal complex dyes based on Bucherer naphthols26 Oct 2004US 6,809,187 B2Oystar Textil Farben GmbH & Co.
- Water-soluble fiber-reactive dyes, processes for their preparation, and their use9 May 2000US 6,060,591 ADy Star Textilfarben GmbH & Co. Deutschland KG
- Fibre-reactive monoazo copper complexes containing a halo substituted pyrimidine substituent10 Dec 1996US 5,583,207 ASandoz Ltd.
- Disazo copper complex reactive dyestuffs21 Apr 1987US 4,659,806 ABayer Aktiengesellschaft
- Fibre-reactive chromium complex dyes, process for their manufacture and use thereof to dye cellulose or wool5 Mar 1985US 4,502,865 ACiba-Geigy Corporation
Most cited
By later US patents
- Copper complexes of substituted sulfophenyl-azo-phenyl-azo-naphthalene sulfonic acids containing a heterocyclic fiber-reactive group10US 4,128,544 ASandoz Ltd. · 1978
- Metal complex reactive dyestuffs9US 4,248,771 ABayer Aktiengesellschaft · 1981
- Water-soluble fiber-reactive dyes, processes for their preparation, and their use6US 6,060,591 ADy Star Textilfarben GmbH & Co. Deutschland KG · 2000
- Sulfo-substituted fibre-reactive 1:2-chromium complex azo dyes2US 4,432,898 ACiba-Geigy Corporation · 1984
- Disazo copper complex reactive dyestuffs2US 4,659,806 ABayer Aktiengesellschaft · 1987