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C09B 62/026

Azo dyes

C09B62/026 (Azo dyes) appears on 49 US grants and 2 published applications in this corpus.

Search patents in C09B

Granted patents: 49
Published applications: 2
Assignees: 15
Inventors: 69
Latest grant: 7 Nov 2006

Filings by year

C09B 62/026: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	0	0
1978	2	0
1979	1	0
1980	1	0
1981	1	0
1982	0	0
1983	0	0
1984	2	0
1985	1	0
1986	2	0
1987	2	0
1988	1	0
1989	1	0
1990	2	0
1991	1	0
1992	0	0
1993	3	0
1994	2	0
1995	5	0
1996	7	0
1997	2	0
1998	3	0
1999	1	0
2000	3	0
2001	0	0
2002	2	0
2003	0	0
2004	1	1
2005	0	1
2006	1	0

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Fiber-reactive AZO dyes, preparation thereof and use thereof7 Nov 2006US 7,132,515 B2DyStar Textilfarben GmbH & Co. Deutschland KG
Metal complex dyes based on Bucherer naphthols26 Oct 2004US 6,809,187 B2Oystar Textil Farben GmbH & Co.
Reactive dyes, process for their preparation and their use17 Sep 2002US 6,451,072 B1Ciba Specialty Chemicals Corporation
Dyes, a process for their preparation and their use5 Mar 2002US 6,353,094 B1Ciba Specialty Chemicals Corporation
Azo dyes, their preparation and their use12 Dec 2000US 6,160,101 ACiba Specialty Chemicals Corporation

Most cited

By later US patents