C09B 55/009
Azomethine dyes, the c-atom of the group -c=n- being part of a
Official title: {Azomethine dyes, the C-atom of the group -C=N- being part of a ring (Image)}
C09B55/009 (Azomethine dyes, the c-atom of the group -c=n- being part of a) appears on 133 US grants and 93 published applications in this corpus.
Search patents in C09B- Granted patents
- 133
- Published applications
- 93
- Assignees
- 56
- Inventors
- 332
- Latest grant
- 24 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 5 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 4 | 3 |
| 2005 | 1 | 7 |
| 2006 | 2 | 2 |
| 2007 | 1 | 4 |
| 2008 | 6 | 4 |
| 2009 | 4 | 4 |
| 2010 | 0 | 1 |
| 2011 | 3 | 5 |
| 2012 | 2 | 2 |
| 2013 | 3 | 5 |
| 2014 | 4 | 5 |
| 2015 | 3 | 11 |
| 2016 | 6 | 2 |
| 2017 | 7 | 3 |
| 2018 | 1 | 2 |
| 2019 | 3 | 3 |
| 2020 | 0 | 10 |
| 2021 | 5 | 4 |
| 2022 | 8 | 3 |
| 2023 | 0 | 3 |
| 2024 | 7 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Compound, ink, resist composition for color filter, color filter, sheet for thermal transfer recording, and toner24 Sep 2024US 12,098,288 B2Canon Kabushiki Kaisha
- Method for preparing a compound comprising at least one imine function by a specific condensation reaction, and particular application of said method in the field of dyeing16 Jul 2024US 12,037,746 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Fluorescent compound and fluorescent labeled biological substance using the same21 May 2024US 11,988,667 B2FUJIFILM Corporation
- Coloring compound and thermal transfer recording sheet16 Apr 2024US 11,958,978 B2Canon Kabuskiki Kaisha
- Process for treating keratin fibers using an anhydrous composition comprising a compound of azomethine type comprising two pyrazolopyridine units and an aqueous composition13 Feb 2024US 11,896,700 B2L'oreal
- Fluorescent compound and fluorescently labeled biological substance using the same4 Apr 2024US 2024/0110918 A1FUJIFILM Corporation
- Fluorescent dyes21 Mar 2024US 2024/0093034 A1Exopharm Limited
- Compounds and compositions for tumor detection and surgical guidance28 Sep 2023US 2023/0302159 A1
- Process for treating keratin fibers using an anhydrous composition comprising a compound of azomethine type comprising two pyrazolopyridine units and an aqueous composition4 May 2023US 2023/0137804 A1L'oreal
- Exocyclic amine substituted coumarin compounds and uses as fluorescent labels26 Jan 2023US 2023/0022437 A1Illumina Cambridge Limited
Most cited
By later US patents
- Triazolopyridine dyes and thermal transfer of methine dyes27US 5,079,365 ABASF SE · 1992
- Thermal transfer sheet26US 5,532,202 ADai Nippon Printing Co.Ltd. · 1996
- Thermal imaging methods and materials20US 5,350,870 APolaroid Corporation · 1994
- Ink jet recording ink and recording method employing the same18US 5,753,017 AKonica Corporation · 1998
- Bichromophoric methine and azamethine dyes and process for transferring them17US 5,132,438 ABASF SE · 1992