C09B 44/20
Thiazoles or hydrogenated thiazoles
C09B44/20 (Thiazoles or hydrogenated thiazoles) appears on 37 US grants and 15 published applications in this corpus.
Search patents in C09B- Granted patents
- 37
- Published applications
- 15
- Assignees
- 21
- Inventors
- 70
- Latest grant
- 3 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
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
- Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye and at least one non-ionic surfactant12 Mar 2019US 10,226,648 B2Henkel AG & Co. KGaA
- Laundry care compositions with thiazolium dye11 Jun 2013US 8,461,095 B2Milliken & Company
- Laundry care compositions with thiazolium dye30 Oct 2012US 8,299,010 B2The Procter & Gamble Company
- Leather-like sheet and fiber structure13 Feb 2020US 2020/0048828 A1Kuraray Co., Ltd.
- Cationic Direct Dyes30 Aug 2018US 2018/0244924 A1BASF SE
- Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye and at least one non-ionic surfactant19 Oct 2017US 2017/0296847 A1Henkel AG & Co. KGaA
- 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
- Laundry Care Compositions With Thiazolium Dye11 Aug 2011US 2011/0196137 A1Milliken & Company
Most cited
By later US patents
- Dyeing composition for keratinous fibers comprising a particular dicationic diazo dye30US 6,893,471 B2L'oreal · 2005
- Laundry care compositions with thiazolium dye22US 7,674,757 B2Milliken & Company · 2010
- 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
- Process for preparing an azo compound from a 2-aminothiazole diazo component12US 4,046,752 AHoechst Aktiengesellschaft · 1977
- Dyeing composition for keratinous fibers comprising a dicationic diazo dye12US 7,407,516 B2L'oreal · 2008