C07D 241/38
With only hydrogen or carbon atoms directly attached to the ring nitrogen
Official title: with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
C07D241/38 (With only hydrogen or carbon atoms directly attached to the ring nitrogen) appears on 1,433 US grants and 1,276 published applications in this corpus.
Search patents in C07D- Granted patents
- 1,433
- Published applications
- 1,276
- Assignees
- 724
- Inventors
- 4,620
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 10 | 0 |
| 1978 | 14 | 0 |
| 1979 | 13 | 0 |
| 1980 | 13 | 0 |
| 1981 | 15 | 0 |
| 1982 | 17 | 0 |
| 1983 | 11 | 0 |
| 1984 | 18 | 0 |
| 1985 | 16 | 0 |
| 1986 | 14 | 0 |
| 1987 | 19 | 0 |
| 1988 | 14 | 0 |
| 1989 | 23 | 0 |
| 1990 | 29 | 0 |
| 1991 | 11 | 0 |
| 1992 | 18 | 0 |
| 1993 | 29 | 0 |
| 1994 | 14 | 0 |
| 1995 | 20 | 0 |
| 1996 | 27 | 0 |
| 1997 | 40 | 0 |
| 1998 | 40 | 0 |
| 1999 | 32 | 0 |
| 2000 | 27 | 0 |
| 2001 | 32 | 7 |
| 2002 | 37 | 39 |
| 2003 | 41 | 50 |
| 2004 | 27 | 67 |
| 2005 | 22 | 56 |
| 2006 | 36 | 41 |
| 2007 | 26 | 42 |
| 2008 | 26 | 46 |
| 2009 | 34 | 47 |
| 2010 | 29 | 72 |
| 2011 | 31 | 56 |
| 2012 | 45 | 46 |
| 2013 | 43 | 45 |
| 2014 | 59 | 63 |
| 2015 | 48 | 59 |
| 2016 | 50 | 60 |
| 2017 | 42 | 48 |
| 2018 | 46 | 64 |
| 2019 | 49 | 42 |
| 2020 | 41 | 52 |
| 2021 | 39 | 45 |
| 2022 | 28 | 48 |
| 2023 | 21 | 53 |
| 2024 | 23 | 49 |
| 2025 | 29 | 41 |
| 2026 | 28 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tautomeric ligand enables biomimetic C—H hydroxylation with molecular oxygen22 Sep 2026US 12,741,937 B2The Scripps Research Institute
- RNA-targeting ligands, compositions thereof, and methods of making and using the same22 Sep 2026US 12,741,945 B2The University of North Carolina at Chapel Hill
- Benzothiazole and quinoline derivatives and their use22 Sep 2026US 12,741,948 B2Shanghai Yao Yuan Biotechnology Co., Ltd.
- Electrolyte regeneration for organic redox flow batteries based on water-soluble phenazine-based compounds8 Sep 2026US 12,731,806 B2CMBlu Energy AG
- Calixarene compounds and uses thereof25 Aug 2026US 12,714,682 B2Universität Wien
- Method for Treating Phosphorus-Containing Wastewater Produced During Preparation of Sulfonamide Compound8 Oct 2026US 2026/0308035 A1Nanhai Beisha Pharmaceutical Co., Ltd.
- Inhibitors of spinster homolog 2 (spns2) for use in therapy1 Oct 2026US 2026/0297044 A1University of Virginia Patent Foundation
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
- Carbon dioxide absorbent and carbon dioxide separation device24 Sep 2026US 2026/0284584 A1Kabushiki Kaisha Toshiba
- Modulators of sortilin activity24 Sep 2026US 2026/0285802 A1
Most cited
By later US patents
- Electrochromic compounds298US 5,998,617 AGentex Corporation · 1999
- Quinoline and quinoxaline compounds which inhibit platelet-derived growth factor and/or p56lck tyrosine kinases232US 6,180,632 B2Aventis Pharmaceuticals Products Inc. · 2001
- Bis mono- and bicyclic aryl and heteroaryl compounds which inhibit EGF and/or PDGF receptor tyrosine kinase226US 5,480,883 ARhone-Poulenc Rorer Pharmaceuticals Inc. · 1996
- Quinoline and quinoxaline compounds which inhibit platelet-derived growth factor and/or p56lck tyrosine kinases219US 6,482,834 B2Aventis Pharmaceuticals Inc. · 2002
- Bis mono- and bicyclic aryl and heteroaryl compounds which inhibit EGF and/or PDGF receptor tyrosine kinase209US 5,409,930 ARhone-Poulenc Rorer Pharmaceuticals Inc. · 1995