C07D 207/323
With only hydrogen atoms or radicals containing only hydrogen and carbon atoms
Official title: with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atoms
C07D207/323 (With only hydrogen atoms or radicals containing only hydrogen and carbon atoms) appears on 106 US grants and 94 published applications in this corpus.
Search patents in C07D- Granted patents
- 106
- Published applications
- 94
- Assignees
- 93
- Inventors
- 462
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 5 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 7 |
| 2006 | 5 | 6 |
| 2007 | 2 | 4 |
| 2008 | 5 | 9 |
| 2009 | 3 | 5 |
| 2010 | 3 | 6 |
| 2011 | 3 | 5 |
| 2012 | 2 | 3 |
| 2013 | 1 | 2 |
| 2014 | 5 | 4 |
| 2015 | 3 | 2 |
| 2016 | 3 | 5 |
| 2017 | 4 | 4 |
| 2018 | 5 | 3 |
| 2019 | 3 | 2 |
| 2020 | 1 | 6 |
| 2021 | 2 | 0 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 4 |
| 2025 | 6 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Pyrrole synthesis method using juice catalyst11 Nov 2025US 12,466,794 B1Prince Mohammad Bin Fahd University
- Method for forming an N-substituted pyrrole from a hexadione with a juice catalyst14 Oct 2025US 12,441,682 B1Prince Mohammad Bin Fahd University
- Juice-based synthetic method for pyrroles23 Sep 2025US 12,421,190 B1Prince Mohammad Bin Fahd University
- Green synthesis method for forming substituted pyrroles9 Sep 2025US 12,410,127 B1Prince Mohammad Bin Fahd University
- Synthesis of N-substituted pyrroles by green catalyst5 Aug 2025US 12,378,191 B1Prince Mohammad Bin Fahd University
- Aromatic compound and use thereof25 Dec 2025US 2025/0388560 A1Hitgen Inc.
- Photoelectric conversion element, imaging element, and optical sensor25 Dec 2025US 2025/0393473 A1FUJIFILM Corporation
- Humidity control agent and device27 Mar 2025US 2025/0099913 A1Daikin Industries, Ltd.
- Synthesis of n-vinyl compounds by reacting nh-compounds with acetylene in presence of homogeneous phosphine catalyst15 Aug 2024US 2024/0270690 A1BASF SE
- N-substituted phenylsulfonamide compound and use thereof8 Aug 2024US 2024/0262812 A1Shanghai Leado Pharmatech Co. Ltd.
Most cited
By later US patents
- Heterocyclic containing biphenyl aP2 inhibitors and method135US 6,548,529 B1Bristol-Myers Squibb Company · 2003
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds78US 6,759,554 B2Massachusetts Institute of Technology · 2004
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds72US 6,867,298 B2Massachusetts Institute of Technology · 2005
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds62US 7,115,784 B2Massachusetts Institute of Technology · 2006
- HDAC inhibitors and therapeutic methods using the same46US 9,249,087 B2The Board of Trustees of the University of Illinois · 2016