C09B 44/103
Characterised by the coupling component being a heterocyclic compound
Official title: {characterised by the coupling component being a heterocyclic compound}
C09B44/103 (Characterised by the coupling component being a heterocyclic compound) appears on 12 US grants and 6 published applications in this corpus.
Search patents in C09B- Granted patents
- 12
- Published applications
- 6
- Assignees
- 10
- Inventors
- 23
- Latest grant
- 4 Oct 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Substituted quinones or analogues as colouring agents4 Oct 2016US 9,458,142 B2Merck Patent GmbH
- Ink composition, inkjet recording ink composition, ink set, ink cartridge, inkjet recording method and recorded matter3 Sep 2013US 8,523,990 B2FUJIFILM Corporation
- Cationic azo dyes with julolidine units, dyeing composition containing them, method of dyeing5 Aug 2008US 7,407,517 B2L'oreal
- Cationic dyes23 Jan 2007US 7,166,711 B2Ciba Specialty Chemicals Corporation
- Clathrate of bis 6-hydroxy-4-methyl-5-(3-methyl-imidazolium-1-yl) -3-(phen-4-ylazo) pyridin-2-one! ethylene and an aromatic compound6 Jul 1999US 5,919,914 ABASF SE
- Substituted quinones or analogues as colouring agents5 Nov 2015US 2015/0315177 A1Merck Patent GmbH
- Ink composition, inkjet recording ink composition, ink set, ink cartridge, inkjet recording method and recorded matter5 May 2011US 2011/0104458 A1FUJIFILM Corporation
- Particular Dissymmetrical Cationic Polyazo Compounds, Compositions Comprising Them as Direct Dye, Process For Dyeing Keratin Fibres and Device Therefor21 Aug 2008US 2008/0196175 A1
- Symmetrical Cationic Tetraazo Compounds, for Dyeing Keratin Fibres22 May 2008US 2008/0115296 A1Johnson Controls Technology Company
- Cationic azo dyes with julolidine units, dyeing composition containing them, method of dyeing1 Mar 2007US 2007/0044250 A1L'oreal
Most cited
By later US patents
- 3-Nitro-5-azopyridine dyestuffs17US 4,068,085 ACiba-Geigy Corporation · 1978
- Polyester fibers dyed with a disazo disperse dyestuff10US 3,954,398 ACiba-Geigy Corporation · 1976
- Fiber reactive water soluble 2,4,6-triamino, 3-cyano pyridine-(5) azo dyestuffs9US 4,033,943 ACiba-Geigy Corporation · 1977
- Biscationic azo dyes and intermediates therefor9US 5,424,404 ABASF SE · 1995
- Quaternized azo dyestuffs4US 4,113,717 AImperial Chemical Industries PLC · 1978