C09B 55/003
With the -c=n- group attached to an heteroring
Official title: {with the -C=N- group attached to an heteroring}
C09B55/003 (With the -c=n- group attached to an heteroring) appears on 59 US grants and 42 published applications in this corpus.
Search patents in C09B- Granted patents
- 59
- Published applications
- 42
- Assignees
- 32
- Inventors
- 154
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 1 |
| 2010 | 3 | 6 |
| 2011 | 2 | 3 |
| 2012 | 2 | 3 |
| 2013 | 5 | 2 |
| 2014 | 3 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Polycyclic compound3 Jun 2025US 12,319,661 B2Eutec New Materials Technology (Suzhou) Co., Ltd.
- 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
- Triazabutadienes as cleavable cross-linkers24 May 2022US 11,339,129 B2The Arizona Board of Regents on Behalf of the University of Arizon
- Luminogenic transition metal-based pyridyl complex and its use1 Sep 2020US 10,759,994 B2City University of Hong Kong
- (Dis)symmetric azomethine-type direct dye comprising at least one pyrazolopyridine unit, process for dyeing keratin fibers using this dye4 Aug 2020US 10,731,038 B2L'oreal
- 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 dyeing29 Dec 2022US 2022/0412011 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Protected triazabutadiene compositions for cellular studies in intact biological systems1 Sep 2022US 2022/0274931 A1Arizona Board of Regents on Behalf of the University of Arizona
- Novel Polycyclic Compound20 Jan 2022US 2022/0017474 A1Eutec New Materials Technology (Suzhou) Co., Ltd.
- Triazabutadienes as cleavable cross-linkers7 Jan 2021US 2021/0002234 A1Arizona Board of Regents on Behalf of the University of Arizona
- (dis)symmetric azomethine-type direct dye comprising at least one pyrazolopyridine unit, process for dyeing keratin fibers using this dye10 Oct 2019US 2019/0309170 A1L'oreal
Most cited
By later US patents
- Oxime ester photoinitiators263US 7,759,043 B2Ciba Specialty Chemicals Corporation · 2010
- Photochromic lens129US 4,756,973 AKureha Kagaku Kogyo Kabushiki Kaisha · 1988
- Multilayer organic photovoltaic elements33US 4,281,053 AEastman Kodak Company · 1981
- Photoconductor including hydrazone compound in a photoconductive layer17US 4,910,110 AFuji Electric Co., Ltd. · 1990
- Colored composition and image display structure17US 9,075,281 B2FUJIFILM Corporation · 2015