C09B 43/11
Preparation of azo dyes from other azo compounds: by introducing hydrocarbon radicals
Official title: by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups (formation of an amino group by reduction, e.g. of a nitro groups, C09B43/08)
C09B43/11 (Preparation of azo dyes from other azo compounds: by introducing hydrocarbon radicals) appears on 45 US grants and 13 published applications in this corpus.
Search patents in C09B- Granted patents
- 45
- Published applications
- 13
- Assignees
- 22
- Inventors
- 57
- Latest grant
- 17 Jul 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dichroic pigment compounds and compositions containing the same17 Jul 2018US 10,023,743 B2Sumitomo Chemical Company, Limited
- Coloring agents and methods of use thereof29 Nov 2016US 9,504,637 B2Living Proof, Inc.
- Coloring agents and methods of use thereof2 Feb 2016US 9,248,086 B2Living Proof, Inc.
- Coloring composition for inkjet textile printing, textile printing method, and fabric30 Jun 2015US 9,068,290 B2FUJIFILM Corporation
- Coloring agents and methods of use thereof13 Jan 2015US 8,932,370 B2Living Proof, Inc.
- Compound and composition containing same8 Feb 2018US 2018/0037739 A1Sumitomo Chemical Company, Limited
- Coloring agents and methods of use thereof21 Apr 2016US 2016/0106648 A1Living Proof, Inc.
- Water-soluble azo compound or salt thereof, ink composition, and colored article14 Apr 2016US 2016/0102208 A1Nippon Kayaku Kabushiki Kaisha
- Coloring agents and methods of use thereof25 Jun 2015US 2015/0174026 A1Living Proof, Inc.
- Coloring composition for inkjet textile printing, textile printing method, and fabric5 Feb 2015US 2015/0037546 A1FUJIFILM Corporation
Most cited
By later US patents
- Azo dyes containing triazine middle components and a 1,4-phenylene-2,5-disubstituted coupling component35US 5,328,995 ACiba-Geigy Corporation · 1994
- Neutron and/or gamma radiation detecting system31US 4,829,185 AKernforschungszentrum Karlsruhe GmbH · 1989
- Disperse mono- and bisazo dyes derived from 2-amino-4,5-dicyanoimidazole20US 4,097,475 AE. I. Du Pont de Nemours and Company · 1978
- Synthesis of pyrazole dyes18US 5,144,015 AEastman Kodak Company · 1992
- Azo dyes, process for making the same, ink-jet printing ink, ink-jet recording method18US 6,489,452 B1Fuji Photo Film Co., Ltd. · 2002