C07C 243/22
Having nitrogen atoms of hydrazine groups bound to carbon atoms of six-membered
Official title: having nitrogen atoms of hydrazine groups bound to carbon atoms of six-membered aromatic rings
C07C243/22 (Having nitrogen atoms of hydrazine groups bound to carbon atoms of six-membered) appears on 68 US grants and 64 published applications in this corpus.
Search patents in C07C- Granted patents
- 68
- Published applications
- 64
- Assignees
- 46
- Inventors
- 196
- Latest grant
- 13 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
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| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
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| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 6 |
| 2003 | 1 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 3 | 4 |
| 2007 | 3 | 5 |
| 2008 | 1 | 1 |
| 2009 | 6 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 1 |
| 2016 | 5 | 10 |
| 2017 | 4 | 7 |
| 2018 | 0 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 1 |
| 2021 | 2 | 3 |
| 2022 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hypocrellin derivative substituted both in a peri-position and in 2-position by amino, preparation method, and application thereof13 Sep 2022US 11,439,707 B2Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences
- Photochromic hydrazone switches22 Mar 2022US 11,279,677 B2Trustees of Dartmouth College
- Process for the preparation of rucaparib and novel synthesis intermediates11 Jan 2022US 11,220,507 B2Advitech Advisory and Technologies SA
- Monosubstituted or polysubstituted amphiphilic hypocrellin derivative, and preparation method and application thereof26 Oct 2021US 11,154,548 B2Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences
- Continuous flow process for the synthesis of phenylhydrazine salts and substituted phenylhydrazine salts22 Jun 2021US 11,040,938 B2Shanghai Hybrid-Chem Technologies
- Synthetic method for the preparation of an hydrazine compound4 Nov 2021US 2021/0340108 A1Mereo Biopharma 1 Limited
- Hypocrellin derivative substituted both in a peri-position and in 2-position by amino, preparation method, and application thereof20 May 2021US 2021/0145968 A1Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences
- Binding function 3 (bf3) site compounds as therapeutics and methods for their use28 Jan 2021US 2021/0024464 A1Simon Fraser University
- Process for the preparation of rucaparib and novel synthesis intermediates22 Oct 2020US 2020/0331916 A1Advitech Advisory and Technologies SA
- Binding function 3 (bf3) site compounds as therapeutics and methods for their use3 Oct 2019US 2019/0300480 A1Simon Fraser University
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
- Amino acid derivative anticonvulsant44US 5,378,729 AResearch Corporation Technologies, Inc. · 1995
- Amino acid derivative anticonvulsant44US 5,654,301 AResearch Corporation Technologies, Inc. · 1997
- Preparation of haloalkoxyarylhydrazines and intermediates therefrom31US 9,108,932 B2Dow AgroSciences LLC · 2015
- Substituted 1-phenyl-3-pyrazolecarboxamides active on neurotensin receptors, their preparation and pharmaceutical compositions containing them16US 5,723,483 ASanofi · 1998