C09B 62/028
Monoazo dyes
C09B62/028 (Monoazo dyes) appears on 17 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 17
- Published applications
- 0
- Assignees
- 9
- Inventors
- 32
- Latest grant
- 5 Sep 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Water-soluble monoazo compounds, preparation thereof and use thereof as dyes5 Sep 2000US 6,114,511 ADyStar Textilfarben GmbH & Co.
- Fiber reactive azo dyes containing a 2-quinolone diazo component radical23 Jun 1998US 5,770,709 ADyStar Textilfarben GmbH & Co. Deutschland KG
- Fibre-reactive monoazo dyestuffs5 Aug 1997US 5,654,410 AClariant Finance (BVI) Limited
- Fibre-reactive monoazonaphthyl dyestuffs26 Nov 1996US 5,578,712 ASandoz Ltd.
- Process for the preparation of a substituted 2-amino-1-sulphonaphthalene26 Mar 1996US 5,502,173 ABayer Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- Water-soluble reactive monoazo dye containing a nonylphenoxy, chlorotriazine group10US 4,145,340 AImperial Chemical Industries PLC · 1979
- Monoazo dyes containing a 4-substituted-2-azo-1,1'-diphenylsulfone component9US 4,602,084 ACiba-Geigy Corporation · 1986
- 4,6-diaminopyrimidine or the like intermediates for the preparation of fiber-reactive dyes9US 4,975,530 ACiba-Geigy Corporation · 1990
- Water-soluble azo dyestuffs containing triazine and 3-azo-2,6-dihydroxypyrid-6-one radicals7US 3,936,436 AImperial Chemical Industries PLC · 1976
- Fiber reactive azo dyes containing a 2-quinolone diazo component radical5US 5,770,709 ADyStar Textilfarben GmbH & Co. Deutschland KG · 1998