C09B 29/0048
Containing a six-membered heterocyclic ring with one nitrogen atom
Official title: {containing a six-membered heterocyclic ring with one nitrogen atom}
C09B29/0048 (Containing a six-membered heterocyclic ring with one nitrogen atom) appears on 41 US grants and 24 published applications in this corpus.
Search patents in C09B- Granted patents
- 41
- Published applications
- 24
- Assignees
- 26
- Inventors
- 94
- Latest grant
- 31 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 3 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 5 |
| 2017 | 4 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat sensitive transfer recording sheet31 Oct 2023US 11,801,703 B2Canon Kabushiki Kaisha
- Sensor dyes for real-time sensing of metal ions in aqueous environments15 Mar 2022US 11,275,071 B2UWM Research Foundation, Inc.
- Disperse azo dyes, a process for the preparation thereof and the use thereof17 Jul 2018US 10,023,742 B2Huntsman International LLC
- Electrophoretic fluid22 May 2018US 9,977,309 B2Merck Patent GmbH
- Printing ink composition28 Nov 2017US 9,828,507 B2Seiko Epson Corporation
- Heat sensitive transfer recording sheet31 Dec 2020US 2020/0407572 A1Canon Kabushiki Kaisha
- Sensor dyes for real-time sensing of metal ions in aqueous environments30 Jan 2020US 2020/0033314 A1AquaMetals, LLC
- Mixture, toner, and dispersion5 Apr 2018US 2018/0095374 A1Canon Kabushiki Kaisha
- Small Molecules That Covalently Modify Transthyretin6 Jul 2017US 2017/0190660 A9The Scripps Research Institute
- Azoaryls as reversibly modulatable tubulin inhibitors23 Feb 2017US 2017/0051149 A1Centre National de la Recherche Scientifique (CNRS)
Most cited
By later US patents
- Azo dyes derived from 3-amino pyridine in hair dye compositions80US 4,025,301 ASociete Anonyme dite: L'Oreal · 1977
- Azo derivatives or pyridine N-oxide for use in hair dye compositions72US 3,955,918 ASociete Anonyme dite: L'Oreal · 1976
- Azo derivatives of pyridine n-oxide for use in hair dye compositions19US 4,153,065 AL'oreal · 1979
- Photographic products and processes employing novel nondiffusible pyridylazonaphthol dye-releasing compounds10US 4,147,544 AEastman Kodak Company · 1979
- Photographic products and processes employing novel nondiffusible bridged azoaminophenol magenta dye-releasing compounds and precursors thereof6US 4,357,412 AEastman Kodak Company · 1982