C07D 213/77
Hydrazine radicals
C07D213/77 (Hydrazine radicals) appears on 215 US grants and 139 published applications in this corpus.
Search patents in C07D- Granted patents
- 215
- Published applications
- 139
- Assignees
- 127
- Inventors
- 579
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 7 | 4 |
| 2003 | 8 | 10 |
| 2004 | 5 | 8 |
| 2005 | 5 | 11 |
| 2006 | 7 | 5 |
| 2007 | 4 | 7 |
| 2008 | 4 | 7 |
| 2009 | 2 | 4 |
| 2010 | 6 | 11 |
| 2011 | 8 | 5 |
| 2012 | 6 | 4 |
| 2013 | 2 | 9 |
| 2014 | 3 | 4 |
| 2015 | 8 | 6 |
| 2016 | 8 | 11 |
| 2017 | 8 | 6 |
| 2018 | 2 | 3 |
| 2019 | 3 | 3 |
| 2020 | 1 | 2 |
| 2021 | 1 | 5 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 6 |
| 2025 | 4 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbonohydrazonoyl dicyanide compounds comprising 2 or more aryl or heteroaryl connected via linker and use thereof9 Jun 2026US 12,649,723 B2Korea Institute of Science and Technology
- Process for the preparation of substituted pyridine compounds and intermediates thereof23 Sep 2025US 12,421,194 B2Pi Industries Ltd.
- Traceless reductively cleavable linker molecules for peptide purification19 Aug 2025US 12,391,727 B2Gyros Protein Technologies AB
- Traceless reductively cleavable linker molecules for peptide purification8 Apr 2025US 12,269,845 B2Gyros Protein Technologies AB
- Theramutein modultors18 Feb 2025US 12,226,420 B2HMI Medical Innovations, LLC
- Crystals of naphthalene derivative20 Aug 2026US 2026/0242338 A1Kyoto Drug Discovery & Development Co., Ltd.
- (1,4,5-trisubstituted-1h-pyrazol-3-yl)oxy-2-alkoxy alkyl acids and their derivatives, their salts and their use as herbicidal agents28 Nov 2024US 2024/0391862 A1
- Heterocyclic compound and harmful-arthropod-controlling composition containing same11 Jul 2024US 2024/0228472 A1Sumitomo Chemical Company, Limited
- Prodrugs of azo compounds and their salts27 Jun 2024US 2024/0209010 A1Kashiv Biosciences, LLC
- Theramutein modultors6 Jun 2024US 2024/0180916 A1HMI Medical Innovations, LLC
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
- Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates74US 6,235,936 B1Massachusetts Institute of Technology · 2001
- Substituted dihydro 3-halo-1h-pyrazole-5-carboxylates and their preparation and use67US 6,965,032 B2E. I. Du Pont de Nemours and Company · 2005
- Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates64US 6,465,693 B2Massachusetts Institute of Technology · 2002
- Hydrazino-type radionuclide chelators having an N.sub.3 S configuration61US 5,659,041 AResolution Pharmaceuticals Inc. · 1997