C07C 251/74
Having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or
Official title: having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms
C07C251/74 (Having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or) appears on 161 US grants and 135 published applications in this corpus.
Search patents in C07C- Granted patents
- 161
- Published applications
- 135
- Assignees
- 97
- Inventors
- 383
- Latest grant
- 16 Jun 2026
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 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 6 | 2 |
| 2003 | 5 | 2 |
| 2004 | 1 | 6 |
| 2005 | 3 | 5 |
| 2006 | 4 | 4 |
| 2007 | 2 | 5 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 5 | 8 |
| 2011 | 2 | 6 |
| 2012 | 5 | 6 |
| 2013 | 5 | 10 |
| 2014 | 7 | 8 |
| 2015 | 16 | 11 |
| 2016 | 5 | 8 |
| 2017 | 11 | 7 |
| 2018 | 2 | 7 |
| 2019 | 4 | 5 |
| 2020 | 5 | 4 |
| 2021 | 5 | 5 |
| 2022 | 5 | 9 |
| 2023 | 4 | 7 |
| 2024 | 2 | 2 |
| 2025 | 7 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Precursor compounds of ester compounds16 Jun 2026US 12,655,092 B2University of Guelph
- Herbicidal malonamides28 Apr 2026US 12,612,394 B2BASF SE
- Synthetic methods of making (2H-1, 2, 3-triazol-2-yl) phenyl compounds as orexin receptor modulators10 Mar 2026US 12,570,658 B2Janssen Pharmaceutica NV
- Acyclic lipids and methods of use thereof10 Feb 2026US 12,545,636 B2ReNAgade Therapeutics Management Inc.
- Hydrazone amide derivative and application thereof in preparation of medicaments for preventing and treating alopecia25 Nov 2025US 12,479,809 B2Shenzhen Cell Inspire Pharmaceutical Development Co., Ltd.
- Synthetic methods of making (2h-1, 2, 3-triazol-2-yl) phenyl compounds as orexin receptor modulators1 Oct 2026US 2026/0297096 A1Janssen Pharmaceutica NV
- Novel lipids and compositions for the delivery of therapeutics13 Aug 2026US 2026/0232810 A1Arbutus Biopharma Corporation
- Ionizable cationic lipids for lipid nanoparticles30 Oct 2025US 2025/0332112 A1Genevant Sciences GmbH
- Dihydrazide-dihydrazone compounds with adamantyl moiety and a process for synthesis of the same27 Feb 2025US 2025/0066288 A1
- Novel lipids and compositions for the delivery of therapeutics26 Dec 2024US 2024/0424105 A1Arbutus Biopharma Corporation
Most cited
By later US patents
- Lipids and compositions for the delivery of therapeutics102US 8,999,351 B2Tekmira Pharmaceuticals Corporation · 2015
- Lipids and compositions for the delivery of therapeutics101US 9,186,325 B2Tekmira Pharmaceuticals Corporation · 2015
- Colorant compounds84US 7,381,831 B1Xerox Corporation · 2008
- 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
- Anthelmintic N'-substituted-N,N'-disubstitutedhydrazines56US 5,424,333 ARohm and Haas Company · 1995