C09B 29/0037
Containing a five-membered heterocyclic ring with two nitrogen atoms
Official title: {containing a five-membered heterocyclic ring with two nitrogen atoms}
C09B29/0037 (Containing a five-membered heterocyclic ring with two nitrogen atoms) appears on 100 US grants and 72 published applications in this corpus.
Search patents in C09B- Granted patents
- 100
- Published applications
- 72
- Assignees
- 36
- Inventors
- 184
- Latest grant
- 3 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 1 | 4 |
| 2008 | 0 | 7 |
| 2009 | 5 | 7 |
| 2010 | 3 | 7 |
| 2011 | 8 | 14 |
| 2012 | 13 | 8 |
| 2013 | 9 | 3 |
| 2014 | 2 | 4 |
| 2015 | 4 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 3 | 4 |
| 2019 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Hair-dye composition26 Nov 2019US 10,485,747 B2Kao Corporation
- Method of coloring hair with washfast blue imidazolium direct dye compounds31 Jul 2018US 10,034,823 B2Noxell Corporation
- Hair color compositions comprising stable violet-blue to blue imidazolium dyes29 May 2018US 9,982,138 B2Noxell Corporation
- Method of coloring hair with washfast yellow imidazolium direct dye compounds20 Mar 2018US 9,918,919 B1Noxell Corporation
- Sublimation thermal transfer sheet and combination of sublimation thermal transfer sheet and transfer receiving article11 Apr 2019US 2019/0105934 A1Dai Nippon Printing Co.Ltd.
- Cationic Direct Dyes30 Aug 2018US 2018/0244924 A1BASF SE
- Hair color compositions comprising stable violet-blue to blue imidazolium dyes19 Apr 2018US 2018/0105697 A1Noxell Corporation
- Method of Coloring Hair with Washfast Yellow Imidazolium Direct Dye Compounds22 Mar 2018US 2018/0078477 A1Noxell Corporation
- Method of Coloring Hair with Washfast Blue Imidazolium Direct Dye Compounds22 Mar 2018US 2018/0078478 A1Noxell Corporation
Most cited
By later US patents
- Ink, ink jet recording method and azo compound92US 6,878,196 B2Fuji Photo Film Co., Ltd. · 2005
- Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears69US 5,489,282 AKimberly-Clark Corporation · 1996
- Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus34US 7,618,484 B2Canon Kabushiki Kaisha · 2009
- Dye for ink jet ink25US 6,468,338 B1Eastman Kodak Company · 2002
- Disperse mono- and bisazo dyes derived from 2-amino-4,5-dicyanoimidazole20US 4,097,475 AE. I. Du Pont de Nemours and Company · 1978