A61K 31/24
Having an amino or nitro group
Official title: having an amino or nitro group
A61K31/24 (Having an amino or nitro group) appears on 982 US grants and 1,486 published applications in this corpus.
Search patents in A61K- Granted patents
- 982
- Published applications
- 1,486
- Assignees
- 818
- Inventors
- 2,778
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 17 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 17 | 0 |
| 1997 | 20 | 0 |
| 1998 | 20 | 0 |
| 1999 | 20 | 0 |
| 2000 | 7 | 0 |
| 2001 | 21 | 11 |
| 2002 | 19 | 29 |
| 2003 | 16 | 34 |
| 2004 | 10 | 39 |
| 2005 | 16 | 44 |
| 2006 | 9 | 49 |
| 2007 | 7 | 38 |
| 2008 | 9 | 43 |
| 2009 | 10 | 37 |
| 2010 | 22 | 63 |
| 2011 | 18 | 42 |
| 2012 | 29 | 59 |
| 2013 | 40 | 63 |
| 2014 | 43 | 80 |
| 2015 | 45 | 92 |
| 2016 | 60 | 90 |
| 2017 | 50 | 80 |
| 2018 | 55 | 53 |
| 2019 | 40 | 59 |
| 2020 | 42 | 78 |
| 2021 | 35 | 83 |
| 2022 | 50 | 78 |
| 2023 | 42 | 78 |
| 2024 | 36 | 62 |
| 2025 | 43 | 59 |
| 2026 | 20 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and compositions for treating fungal infections6 Oct 2026US 12,751,944 B2Neoculi Pty Ltd
- Treatment of herpes zoster with topical tetracaine22 Sep 2026US 12,740,960 B2Pagari Life Science Corp
- Bacterial DNA gyrase inhibitors and methods of use thereof25 Aug 2026US 12,714,692 B2The Florida International University Board of Trustees
- Cleavable conjugates of catechol compounds and water-soluble polymers and methods of treatment using the same25 Aug 2026US 12,714,704 B2Serina Therapeutics (AL), Inc.
- Porous nanocomposite medical implant device9 Jun 2026US 12,648,904 B2Lynthera Corporation
- Inhaled statins as bronchodilators to improve lung function in respiratory diseases8 Oct 2026US 2026/0306477 A1Beth Israel Deaconess Medical Center, Inc.
- Biphenyl compound, pharmaceutical composition, method for preparing same, and use thereof1 Oct 2026US 2026/0297017 A1Longivitron (Suzhou) Biotechnology Co., Ltd
- Methods for inhibiting resistance to immune blockade inhibitor therapy24 Sep 2026US 2026/0283997 A1H. Lee Moffitt Cancer Center and Research Institute, Inc.
- Flavored topical anesthetic10 Sep 2026US 2026/0263409 A1
- Agonists of small heterodimer partner for cancer therapy3 Sep 2026US 2026/0257992 A1The Board of Trustees of the University of Illinois
Most cited
By later US patents
- Compositions and methods for topical administration of pharmaceutically active agents369US 5,719,197 ANoven Pharmaceuticals, Inc. · 1998
- Compositions and methods for topical administration of pharmaceutically active agents324US 5,446,070 ANover Pharmaceuticals, Inc. · 1995
- Prolonged local anesthesia with colchicine270US 5,747,060 AEuro-Celtique S. A. · 1998
- Biodegradable polymer matrices for sustained delivery of local anesthetic agents250US 5,618,563 AChildren's Medical Center Corporation · 1997
- Prolonged nerve blockade by the combination of local anesthetic and glucocorticoid242US 5,700,485 AChildren's Medical Center Corporation · 1997