C09B 44/08
From coupling components containing heterocyclic rings
Official title: from coupling components containing heterocyclic rings
C09B44/08 (From coupling components containing heterocyclic rings) appears on 40 US grants and 5 published applications in this corpus.
Search patents in C09B- Granted patents
- 40
- Published applications
- 5
- Assignees
- 14
- Inventors
- 50
- Latest grant
- 3 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cationic direct dyes3 Dec 2019US 10,494,527 B2BASF SE
- Thiophene azo dyes and laundry care compositions containing the same31 Jan 2017US 9,556,337 B2Milliken & Company
- Thiophene azo dyes and laundry care compositions containing the same30 Jun 2015US 9,068,081 B2Milliken & Company
- Tricationic dyes14 Sep 2010US 7,794,509 B2Ciba Corporation
- Monoazo dyestuffs, a composition and an ink for ink jet printing comprising them3 Dec 2002US 6,488,752 B1Avecia Limited
- Cationic Direct Dyes30 Aug 2018US 2018/0244924 A1BASF SE
- Thiophene Azo Dyes and Laundry Care Compositions Containing the Same7 Jul 2016US 2016/0194499 A1Milliken & Company
- Thiophene Azo Dyes and Laundry Care Compositions Containing the Same17 May 2012US 2012/0123101 A1Milliken & Company
- Tricationic dyes21 Jan 2010US 2010/0011518 A1Ciba Corporation
- Concentrated Dye Solution1 Nov 2007US 2007/0251030 A1
Most cited
By later US patents
- 3-Nitro-5-azopyridine dyestuffs17US 4,068,085 ACiba-Geigy Corporation · 1978
- Dyeing and printing basic dyeable textile substrates with becationic disazo and trisazo dyes having optionally further substituted 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2-coupling component radicals16US 4,087,244 ASandoz Ltd. · 1978
- Metal-free sulfo group-free basis disazo and trisazo compounds containing two different 6-hydroxypyrid-2-one coupling component radicals14US 5,037,964 ASandoz Ltd. · 1991
- Sulfo group-containing monoazo compounds having an unsubstituted or substituted 4-(benzothiazol-2'-yl)phenyl or 4-(6'-benzothiazol-2"yl)-benzothiazol-2'-yl)phenyldiazo component radical and a 6-hydroxypyrid-2-one coupling component radical12US 4,877,412 ASandoz Ltd. · 1989
- Tricationic dyes12US 7,794,509 B2Ciba Corporation · 2010