C09B 17/02
Azine dyes: of the benzene series
Official title: of the benzene series
C09B17/02 (Azine dyes: of the benzene series) appears on 35 US grants and 22 published applications in this corpus.
Search patents in C09B- Granted patents
- 35
- Published applications
- 22
- Assignees
- 31
- Inventors
- 105
- Latest grant
- 30 Dec 2025
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 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 5 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrochromic dyes and their use in electrochromic devices30 Dec 2025US 12,509,471 B2Polyceed Inc.
- Reactive leuco compounds and compositions comprising the same12 Apr 2022US 11,299,634 B2Milliken & Company
- Leuco compounds1 Feb 2022US 11,236,235 B2Milliken & Company
- Polyamide composition which is dyed in black, production and use thereof12 Oct 2021US 11,142,642 B2BASF SE
- Plating compositions for electrolytic copper deposition, its use and a method for electrolytically depositing a copper or copper alloy layer onto at least one surface of a substrate20 Apr 2021US 10,982,343 B2Atotech Deutschland GmbH
- Photoproximity profiling of protein-protein interactions in cells4 May 2023US 2023/0137943 A1The University of Chicago
- Electrochromic dyes and their use in electrochromic devices19 May 2022US 2022/0155648 A1Polyceed Inc.
- Plating compositions for electrolytic copper deposition, its use and a method for electrolytically depositing a copper or copper alloy layer onto at least one surface of a substrate5 Nov 2020US 2020/0347504 A1Atotech Deutschland GmbH
- Polyamide composition which is dyed in black, production and use thereof26 Dec 2019US 2019/0390056 A1BASF SE
- Leuco compounds18 Apr 2019US 2019/0112488 A1Milliken & Company
Most cited
By later US patents
- Radiation-curable ink and coating compositions containing ionic dye compounds as initiators50US 4,751,102 AThe Mead Corporation · 1988
- Azine redox dyes and leuco azine dyes24US 4,710,570 AMinnesota Mining and Manufacturing Company · 1987
- Stabilized leuco phenazine dyes and their use in an imaging system20US 4,647,525 AMinnesota Mining and Manufacturing Company · 1987
- Thermographic system using naphthoylated leuco phenazine dyes18US 4,563,415 AMinnesota Mining and Manufacturing Company · 1986
- Nigrosine dyes and process for preparing same15US 4,624,709 AOrient Chemical Industrie · 1986