C09B 62/515
Metal complex azo dyes
C09B62/515 (Metal complex azo dyes) appears on 23 US grants and 12 published applications in this corpus.
Search patents in C09B- Granted patents
- 23
- Published applications
- 12
- Assignees
- 17
- Inventors
- 45
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the simultaneous tanning and dyeing of collagen containing fibrous material3 Jun 2025US 12,319,973 B2Archroma (Switzerland) GmbH
- Fibre reactive dyes, their preparation and their use11 Jun 2024US 12,006,437 B2Huntsman Textile Effects (Switzerland) GmbH
- Fiber-reactive copper complex disazo dyes23 Jun 2015US 9,062,208 B2DyStar Colours Distribution GmbH
- Method for the reactive coloration of leather26 Feb 2013US 8,382,857 B2BASF SE
- Method for the reactive coloring of leather12 Feb 2013US 8,372,161 B2BASF SE
- Fibre Reactive Dyes, Their Preparation and Their Use18 Aug 2022US 2022/0259435 A1Huntsman Advanced Materials (Switzerland) GmbH
- Process for the Simultaneous Tanning and Dyeing of Collagen Containing Fibrous Material7 Jan 2021US 2021/0002735 A1Huntsman Advanced Materials (Switzerland) GmbH
- Fiber-reactive copper complex disazo dyes24 Nov 2011US 2011/0283465 A1DyStar Colours Deutschland GmbH
- Novel reactive dyestuff with N,N-dialkylamino bridge group9 Jul 2009US 2009/0176972 A1Everlight USA, Inc.
- Reactive dyestuffs with alkylthio group and beta-sulfatoethysulfone group15 Jan 2009US 2009/0018317 A1Everlight USA, Inc.
Most cited
By later US patents
- Magenta inks comprising copper complex azo dyes based on 1-naphthol-di- or tri-sulfonic acids19US 6,521,032 B1Ciba Specialty Chemicals Corporation · 2003
- Copper complex azo dyes, their preparation and their use7US 6,265,554 B1Ciba Specialty Chemicals Corporation · 2001
- 1:2 Cobalt complex phenol-acetoacetanilide benzene disazo dyestuffs5US 4,118,381 AHoechst Aktiengesellschaft · 1978
- Water-soluble copper complex phenyl azo naphthalene reactive dyestuffs3US 3,939,141 AHoechst Aktiengesellschaft · 1976
- Dyeing cellulose with aminonaphthyl azobenzene vinyl type reactive dyes3US 4,000,966 AHoechst Aktiengesellschaft · 1977