C09B 44/14
1,2-diazoles or hydrogenated 1,2-diazoles
Official title: 1,2-Diazoles or hydrogenated 1,2-diazoles {; Pyrazolium; Indazolium}
C09B44/14 (1,2-diazoles or hydrogenated 1,2-diazoles) appears on 17 US grants and 9 published applications in this corpus.
Search patents in C09B- Granted patents
- 17
- Published applications
- 9
- Assignees
- 9
- Inventors
- 24
- Latest grant
- 19 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Thiophene azo dyes and laundry care compositions containing the same19 May 2020US 10,655,091 B2The Procter & Gamble Company
- Thiophene azo dyes and laundry care compositions containing the same8 Oct 2019US 10,435,651 B2The Procter & Gamble Company
- 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
- Thiophene azo dyes and laundry care compositions containing the same2 Jan 2018US 9,856,439 B2The Procter & Gamble Company
- Thiophene azo dyes and laundry care compositions containing the same8 Nov 2016US 9,487,740 B2The Procter & Gamble Company
- Thiophene azo dyes and laundry care compositions containing the same14 Nov 2019US 2019/0345415 A1The Procter & Gamble Company
- Thiophene azo dyes and laundry care compositions containing the same8 Mar 2018US 2018/0066215 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
- Thiophene azo dyes and laundry care compositions containing the same12 Jan 2017US 2017/0009186 A1The Procter & Gamble Company
- Thiophene azo dyes and laundry care compositions containing the same21 May 2015US 2015/0141314 A1The Procter & Gamble Company
Most cited
By later US patents
- Process for spin dyeing polymers or copolymers of acrylonitrile with quaternized heterocyclic diazo dye and tetrafluoro-borate anion14US 4,382,801 ACiba-Geigy Corporation · 1983
- Thiophene azo dyes and laundry care compositions containing the same7US 8,715,368 B2The Procter & Gamble Company · 2014
- Pyrazolium-azo-phenyl compounds5US 3,948,878 AProduits Chimiques Ugine Kuhlmann · 1976
- 3-Trifluoromethyl-4-aryl-5-aminopyrazoles4US 4,122,278 AProduits Chimiques Ugine Kuhlmann · 1978
- Ink jet printing method4US 6,523,950 B1Eastman Kodak Company · 2003