C07C 241/04
Preparation of hydrazides
C07C241/04 (Preparation of hydrazides) appears on 59 US grants and 50 published applications in this corpus.
Search patents in C07C- Granted patents
- 59
- Published applications
- 50
- Assignees
- 45
- Inventors
- 149
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 5 |
| 2013 | 2 | 5 |
| 2014 | 4 | 3 |
| 2015 | 5 | 6 |
| 2016 | 5 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 2 |
| 2025 | 0 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molecular tetrahedron nanocage, its preparation, and uses thereof30 Jun 2026US 12,668,562 B2Purdue Research Foundation
- Chiral diacylhydrazine ligands for modulating the expression of exogenous genes via an ecdysone receptor complex28 Apr 2020US 10,633,361 B2Intrexon Corporation
- Pharmaceutically acceptable salts of fatty acids28 Jan 2020US 10,544,088 B2DS Biopharma Limited
- Pharmaceutically acceptable salts of fatty acids10 Jul 2018US 10,017,453 B2DS Biopharma Limited
- Processes for making hydrazides22 Aug 2017US 9,738,602 B2Wyeth
- Hydrazide compound and agricultural/horticultural fungicide16 Jul 2026US 2026/0198493 A1Nippon Soda Co., Ltd.
- Synthesis of acid hydrazides using flow chemistry7 May 2026US 2026/0125342 A1The Regents of the University of California
- Efficient procedure for the synthesis of hydrazone-linked tetrahedral nanocages29 Jan 2026US 2026/0028317 A1University of Vermont
- Process for preparing modulators of eukaryotic initiation factor 2b11 Dec 2025US 2025/0376432 A1Denali Therapeutics Inc.
- Process for the preparation of indomethacin21 Aug 2025US 2025/0263373 A1F.I.S. - Fabbrica Italiana Sintetici S.p. A.
Most cited
By later US patents
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds78US 6,759,554 B2Massachusetts Institute of Technology · 2004
- Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates74US 6,235,936 B1Massachusetts Institute of Technology · 2001
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds72US 6,867,298 B2Massachusetts Institute of Technology · 2005
- Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates64US 6,465,693 B2Massachusetts Institute of Technology · 2002
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds62US 7,115,784 B2Massachusetts Institute of Technology · 2006