C09B 62/03
Disazo or polyazo dyes
C09B62/03 (Disazo or polyazo dyes) appears on 17 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 17
- Published applications
- 1
- Assignees
- 9
- Inventors
- 21
- 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 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fiber-reactive AZO dyes, preparation thereof and use thereof7 Nov 2006US 7,132,515 B2DyStar Textilfarben GmbH & Co. Deutschland KG
- Reactive dyes, process for their preparation and their use17 Sep 2002US 6,451,072 B1Ciba Specialty Chemicals Corporation
- Azo dyes, their preparation and their use12 Dec 2000US 6,160,101 ACiba Specialty Chemicals Corporation
- Fiber-reactive bisazo compound7 Dec 1999US 5,998,591 ASumitomo Chemical Company, Limited
- Azo compound1 Apr 1997US 5,616,694 AZeneca Limited
Most cited
By later US patents
- Disazo dyes suitable for use in ink jet printing20US 5,262,527 AImperial Chemical Industries PLC · 1993
- Azo dyes suitable for ink jet printing19US 5,268,459 AImperial Chemical Industries PLC · 1993
- Sulfo group-containing disazo compounds containing substituted amino-1,3,5-triazinil or- chloropyrimidyl18US 5,354,849 ASandoz Ltd. · 1994
- Water-soluble fiber-reactive disazo dyestuffs10US 4,069,218 ACiba-Geigy Corporation · 1978
- Azo compound8US 5,616,694 AZeneca Limited · 1997