C07C 241/00
Preparation of compounds containing chains of nitrogen atoms singly-bound to each other
Official title: Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
C07C241/00 (Preparation of compounds containing chains of nitrogen atoms singly-bound to each other) appears on 152 US grants and 108 published applications in this corpus.
Search patents in C07C- Granted patents
- 152
- Published applications
- 108
- Assignees
- 121
- Inventors
- 405
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 1 |
| 2003 | 2 | 5 |
| 2004 | 2 | 2 |
| 2005 | 3 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 3 | 4 |
| 2009 | 2 | 3 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 7 |
| 2013 | 4 | 9 |
| 2014 | 5 | 6 |
| 2015 | 10 | 14 |
| 2016 | 9 | 3 |
| 2017 | 4 | 4 |
| 2018 | 3 | 3 |
| 2019 | 3 | 4 |
| 2020 | 4 | 6 |
| 2021 | 4 | 5 |
| 2022 | 1 | 2 |
| 2023 | 2 | 4 |
| 2024 | 3 | 5 |
| 2025 | 0 | 2 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Molecular tetrahedron nanocage, its preparation, and uses thereof30 Jun 2026US 12,668,562 B2Purdue Research Foundation
- L-DOPA and/or DOPA decarboxylse inhibitors conjugated to sugar for the treatment of dopamine-responsive disorders27 Jan 2026US 12,533,417 B2B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- 3,3'-(hydrazine-1,2-diyl)bis(1-(naphthalen-2-yloxy)propan-2-ol) as an ecofriendly insecticidal agent against spodoptera littoralis (boisd.)15 Oct 2024US 12,116,333 B1King Faisal University
- 3,3′-(hydrazine-1,2-diyl)bis(1-(naphthalen-2-yloxy)propan-2-ol) as an ecofriendly insecticidal agent against Spodoptera littoralis (Boisd.)28 May 2024US 11,993,554 B1King Faisal University
- 3,3′-(hydrazine-1,2-diyl)bis(1-(naphthalen-2-yloxy)propan-2-ol) as an ecofriendly insecticidal agent against Spodoptera littoralis (boisd.)6 Feb 2024US 11,891,353 B1King Faisal University
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Amino group eliminating agent, reaction product production method, reaction precursor, reaction precursor production method, and optically active reaction product production method24 Sep 2026US 2026/0285806 A1Mitsubishi Materials Electronic Chemicals Co., Ltd.
- Process for preparing azine using reactors in cascade17 Sep 2026US 2026/0274786 A1
- 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
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