C07C 245/08
With the two nitrogen atoms of azo groups bound to carbon atoms
Official title: with the two nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings, e.g. azobenzene
C07C245/08 (With the two nitrogen atoms of azo groups bound to carbon atoms) appears on 216 US grants and 174 published applications in this corpus.
Search patents in C07C- Granted patents
- 216
- Published applications
- 174
- Assignees
- 174
- Inventors
- 604
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 7 | 6 |
| 2003 | 8 | 8 |
| 2004 | 5 | 8 |
| 2005 | 1 | 9 |
| 2006 | 6 | 6 |
| 2007 | 3 | 7 |
| 2008 | 3 | 6 |
| 2009 | 2 | 6 |
| 2010 | 5 | 6 |
| 2011 | 4 | 8 |
| 2012 | 3 | 3 |
| 2013 | 5 | 9 |
| 2014 | 7 | 8 |
| 2015 | 10 | 9 |
| 2016 | 6 | 10 |
| 2017 | 13 | 12 |
| 2018 | 7 | 4 |
| 2019 | 4 | 7 |
| 2020 | 7 | 8 |
| 2021 | 6 | 9 |
| 2022 | 5 | 8 |
| 2023 | 3 | 3 |
| 2024 | 9 | 2 |
| 2025 | 7 | 7 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photochromic liquid crystal electrospun coaxial polymer fibers7 Apr 2026US 12,595,595 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Solid-solid phase change aromatic azo compounds, method of manufacture, and use for thermal energy storage and release6 Jan 2026US 12,516,018 B2Brandeis University
- Quantum dot ligand and method for preparing the same, light emitting device and method for preparing the same, and display device9 Dec 2025US 12,492,335 B2Beijing BOE Technology Development Co., Ltd.
- Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis23 Sep 2025US 12,421,186 B2Instituto Mexicano Del Petroleo
- Photoresponsive compound, adhesive, switching material, and toner containing the photoresponsive compound, and image forming method using the toner26 Aug 2025US 12,398,095 B2Konica Minolta, Inc.
- Disperse dyes for dyeing polyester fibres8 Oct 2026US 2026/0308841 A1University of Leeds
- Photoswitchable compounds and affinity ligands, and their use for the optical control of affinity matrices10 Sep 2026US 2026/0265179 A1AFC Innovations GmbH
- Tunable and long-lived light reflection from liquid crystals using hydrazone dopants23 Jul 2026US 2026/0209172 A1Trustees of Dartmouth College
- Biomedical applications of azobenzene-based lipidoids16 Jul 2026US 2026/0199240 A1Trustees of Tufts College
- Diffractive optical element, method for manufacturing same, hologram using same, vr/ar device using same, and hud using same2 Jul 2026US 2026/0186181 A1Korea University Research and Business Foundation
Most cited
By later US patents
- Amyloid binding nitrogen-linked compounds for the antemortem diagnosis of alzheimer's disease, in vivo imaging and prevention of amyloid deposits87US 6,417,178 B1University of Pittsburgh · 2002
- 2-Hydroxy-5-phenylazobenzoic acid derivatives and method of treating ulcerative colitis therewith84US 4,412,992 ABiorex Laboratories Limited · 1983
- Fluorescent quenching detection reagents and methods83US 6,727,356 B1Epoch Pharmaceuticals, Inc. · 2004
- Oxamic acid derivatives for the prevention of immediate type hypersensitivity reactions65US 3,966,965 AAmerican Home Products Corporation · 1976
- Real-time linear detection probes: sensitive 5′-minor groove binder-containing probes for PCR analysis54US 7,205,105 B2Epoch Biosciences, Inc. · 2007