C09B 44/105
Derived from pyridine, pyridone
Official title: {derived from pyridine, pyridone}
C09B44/105 (Derived from pyridine, pyridone) appears on 6 US grants and 2 published applications in this corpus.
Search patents in C09B- Granted patents
- 6
- Published applications
- 2
- Assignees
- 5
- Inventors
- 16
- Latest grant
- 4 Oct 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 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.
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
- 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
- Biscationic azo dyes and intermediates therefor13 Jun 1995US 5,424,404 ABASF SE
- Azo compounds containing two 6-hydroxypyrid-2-one coupling component radicals the nitrogen atoms of which are linked by a biscationic radical31 Dec 1991US 5,077,396 ASandoz Ltd.
Most cited
By later US patents
- 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
- Azo compounds containing two 6-hydroxypyrid-2-one coupling component radicals the nitrogen atoms of which are linked by a biscationic radical4US 5,077,396 ASandoz Ltd. · 1991
- Ink composition, inkjet recording ink composition, ink set, ink cartridge, inkjet recording method and recorded matter2US 8,523,990 B2FUJIFILM Corporation · 2013