C09B 29/3639
From a pyridine ring containing one or more amino groups
Official title: {from a pyridine ring containing one or more amino groups}
C09B29/3639 (From a pyridine ring containing one or more amino groups) appears on 70 US grants and 39 published applications in this corpus.
Search patents in C09B- Granted patents
- 70
- Published applications
- 39
- Assignees
- 30
- Inventors
- 136
- Latest grant
- 9 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 4 |
| 2005 | 0 | 1 |
| 2006 | 4 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 5 |
| 2010 | 3 | 4 |
| 2011 | 3 | 5 |
| 2012 | 3 | 2 |
| 2013 | 2 | 2 |
| 2014 | 0 | 3 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Colorant mixtures9 Aug 2022US 11,407,912 B2Huntsman International LLC
- Disperse azo dyes, a process for the preparation thereof and the use thereof2 Mar 2021US 10,934,435 B2Huntsman International LLC
- Disperse azo dyes, a process for the preparation thereof and the use thereof17 Jul 2018US 10,023,742 B2Huntsman International LLC
- Disperse azo dyes10 Apr 2018US 9,938,411 B2Huntsman International LLC
- Laundry care composition comprising carboxylate dye5 Dec 2017US 9,834,682 B2Milliken & Company
- Colorant Mixtures6 May 2021US 2021/0130631 A1Huntsman Advanced Materials (Switzerland) GmbH
- Disperse Azo Dyes, a Process for the Preparation Thereof and the Use Thereof23 May 2019US 2019/0153230 A1Huntsman International LLC
- Disperse Azo Dyes, A Process for the Preparation Thereof and the Use Thereof1 Sep 2016US 2016/0251517 A1Huntsman International LLC
- Compound for generating second harmonic of light, dye composition for generating second harmonic of light, and cell examination method28 Apr 2016US 2016/0116460 A1Keio University
- Disperse Azo Dyes, A Process for the Preparation Thereof and the Use Thereof16 Jul 2015US 2015/0197637 A1Huntsman International LLC
Most cited
By later US patents
- Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus34US 7,618,484 B2Canon Kabushiki Kaisha · 2009
- Azo dye with a 3-cyano- or 3-carbamoyl-4-methyl-2,6-diamino-pyridine coupling component27US 3,998,802 ABASF SE · 1976
- Azo dyes having 2,6-diaminopyridine derivatives as coupling components25US 4,042,578 ABadische Anilin- & Soda-Fabrik Aktiengesellschaft · 1977
- Heterocyclic azo dyes containing cyanothiophene derivatives as diazo components and diaminopyridines as coupling components22US 4,855,413 ABASF SE · 1989
- Dyestuff formulations21US 4,249,902 ABayer Aktiengesellschaft · 1981