C09B 45/48
Preparation from other complex metal compounds of azo dyes
C09B45/48 (Preparation from other complex metal compounds of azo dyes) appears on 19 US grants and 6 published applications in this corpus.
Search patents in C09B- Granted patents
- 19
- Published applications
- 6
- Assignees
- 14
- Inventors
- 44
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Pigment preparations10 Dec 2024US 12,163,031 B2LANXESS Deutschland GmbH
- Metal azo pigments28 Aug 2018US 10,059,844 B2LANXESS Deutschland GmbH
- Metal azo pigments30 May 2017US 9,663,660 B2LANXESS Deutschland GmbH
- Mixtures of reactive dyes and their use in a method of di- or trichromatic dyeing or printing10 Jan 2017US 9,540,765 B2Huntsman International LLC
- 1:2-metal complex dyes containing one atom of chromium or cobalt and two azo dyes each formed by coupling two diazo compounds to resorcinol15 Apr 1986US 4,582,896 ACiba-Geigy Corporation
- Pigment preparations7 Apr 2022US 2022/0106487 A1LANXESS Deutschland GmbH
- Metal azo pigments28 Sep 2017US 2017/0275468 A1LANXESS Deutschland GmbH
- Metal azo pigments29 Sep 2016US 2016/0280923 A1LANXESS Deutschland GmbH
- Mixtures of Reactive Dyes and Their Use in a Method of Di- or Trichromatic Dyeing or Printing10 Dec 2015US 2015/0354134 A1Huntsman Advanced Materials (Switzerland) GmbH
- Magenta low fluorescence dye for coated optical bead random array dna analysis29 May 2008US 2008/0125331 A1
Most cited
By later US patents
- Amino acid salts of anionic dyestuffs which have high solubility in organic solvents11US 4,204,879 AWilliams (Hounslow) Limited · 1980
- Betainic azo dyestuffs containing cobalt in complex union with a colorless, tridentate ligand10US 4,008,211 ACiba-Geigy Corporation · 1977
- Chromium complexes of phenylazopyrazolyl or phenylazonaphthol dyestuffs and acetylacetone7US 4,045,423 AProduits Chimiques Ugine Kuhlmann · 1977
- Salt of a sulfonic acid substituted 1:2 metal complex dye with a basic dye and an amine6US 4,045,424 ABASF SE · 1977
- Process for dyeing linear polyamides in the melt6US 4,263,197 ACiba-Geigy Corporation · 1981