C09B 55/001
Azomethine dyes forming a 1,2 complex metal compound
Official title: {Azomethine dyes forming a 1,2 complex metal compound, e.g. with Co or Cr, with another dye, e.g. with an azo or azomethine dye}
C09B55/001 (Azomethine dyes forming a 1,2 complex metal compound) appears on 42 US grants and 7 published applications in this corpus.
Search patents in C09B- Granted patents
- 42
- Published applications
- 7
- Assignees
- 10
- Inventors
- 34
- Latest grant
- 4 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Production method for pigment aqueous dispersion4 Oct 2022US 11,459,476 B2Kao Corporation
- Metal organic liquid crystal dyes1 Dec 2020US 10,851,302 B2Gauzy Ltd.
- Schiff base type color conversion layer, light absorbing layer, and filter24 Jun 2014US 8,758,897 B2Adeka Corporation
- Schiff base type compound and coloring material containing the same29 Oct 2013US 8,568,884 B2Adeka Corporation
- Organic salt compound, and optical recording material and optical recording medium using the organic salt compound13 Aug 2013US 8,507,689 B2Adeka Corporation
- Production method for pigment aqueous dispersion17 Dec 2020US 2020/0392361 A1Kao Corporation
- Metal organic liquid crystal dyes14 Dec 2017US 2017/0355908 A1Gauzy Ltd.
- Schiff base type color conversion layer, light absorbing layer, and filter26 Sep 2013US 2013/0252024 A1Adeka Corporation
- Organic salt compound, and optical recording material and optical recording medium using the organic salt compound19 Jan 2012US 2012/0016134 A1Adeka Corporation
- Schiff base type compound and coloring material containing the same9 Jun 2011US 2011/0135958 A1Adeka Corporation
Most cited
By later US patents
- Heavy metal complex azo dyes containing a benzothiophene-1,1-dioxide, 2,1-benzothiazine-2,2-dioxide, 1,4-benzothiazine-1,1-dioxide or thienopyridine-1,1-dioxide coupling component20US 4,960,870 ACiba-Geigy Corporation · 1990
- Unsymmetrical 1:2-chromium complexes containing an azo compound and an azomethine compound12US 4,052,374 ABASF SE · 1977
- Chromium complex dye, including azo and azo methine dye compounds10US 4,033,942 ACiba-Geigy Corporation · 1977
- Unsymmetrical azo - azo methine 1:2 chromium complex dyes8US 4,116,952 ACiba-Geigy Corporation · 1978
- Process for dyeing leather with mixtures of dyes7US 4,452,602 A1984