C09B 44/16
1,3-diazoles or hydrogenated 1,3-diazoles
Official title: 1,3-Diazoles or hydrogenated 1,3-diazoles {; (Benz)imidazolium}
C09B44/16 (1,3-diazoles or hydrogenated 1,3-diazoles) appears on 38 US grants and 38 published applications in this corpus.
Search patents in C09B- Granted patents
- 38
- Published applications
- 38
- Assignees
- 14
- Inventors
- 45
- Latest grant
- 3 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 10 |
| 2005 | 6 | 2 |
| 2006 | 6 | 7 |
| 2007 | 4 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 3 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 4 |
| 2019 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cationic direct dyes3 Dec 2019US 10,494,527 B2BASF SE
- Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution pattern10 Sep 2019US 10,406,089 B2Henkel AG & Co. KGaA
- Stable yellow imidazolium compounds9 Oct 2018US 10,093,807 B2Noxell Corporation
- Method of coloring hair with washfast yellow imidazolium direct dye compounds20 Mar 2018US 9,918,919 B1Noxell Corporation
- Thiophene azo dyes and laundry care compositions containing the same31 Jan 2017US 9,556,337 B2Milliken & Company
- Cationic Direct Dyes30 Aug 2018US 2018/0244924 A1BASF SE
- Method of Coloring Hair with Washfast Yellow Imidazolium Direct Dye Compounds22 Mar 2018US 2018/0078477 A1Noxell Corporation
- Stable Yellow Imidazolium Compounds22 Mar 2018US 2018/0079907 A1Noxell Corporation
- Stable violet-blue to blue imidazolium compounds15 Mar 2018US 2018/0072970 A1The Procter & Gamble Company
- Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution pattern21 Sep 2017US 2017/0266093 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Cationic imidazole azo dyes292US 5,708,151 ACiba Specialty Chemicals Corporation · 1998
- Dyeing composition for keratinous fibers comprising a particular dicationic diazo dye30US 6,893,471 B2L'oreal · 2005
- Dyeing composition for dyeing keratinous fibres comprising a particular dicationic monoazo dye30US 7,060,110 B2L'oreal · 2006
- Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye26US 6,881,230 B2L'oreal · 2005
- Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye26US 7,022,143 B2L'oreal · 2006