A61K 31/4409
Only substituted in position 4
Official title: only substituted in position 4, e.g. isoniazid, iproniazid
A61K31/4409 (Only substituted in position 4) appears on 568 US grants and 1,040 published applications in this corpus.
Search patents in A61K- Granted patents
- 568
- Published applications
- 1,040
- Assignees
- 541
- Inventors
- 2,126
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 2 |
| 2002 | 8 | 8 |
| 2003 | 6 | 14 |
| 2004 | 8 | 24 |
| 2005 | 8 | 15 |
| 2006 | 8 | 10 |
| 2007 | 5 | 15 |
| 2008 | 5 | 30 |
| 2009 | 4 | 24 |
| 2010 | 10 | 33 |
| 2011 | 8 | 32 |
| 2012 | 19 | 44 |
| 2013 | 30 | 44 |
| 2014 | 20 | 40 |
| 2015 | 25 | 51 |
| 2016 | 39 | 77 |
| 2017 | 40 | 74 |
| 2018 | 43 | 48 |
| 2019 | 29 | 69 |
| 2020 | 37 | 62 |
| 2021 | 37 | 76 |
| 2022 | 38 | 55 |
| 2023 | 21 | 67 |
| 2024 | 33 | 51 |
| 2025 | 26 | 39 |
| 2026 | 16 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arylsulfonamides as orexin receptor agonists8 Sep 2026US 12,729,178 B2Research Triangle Institute
- Cinnamamide derivatives and use thereof1 Sep 2026US 12,721,842 B2Korea Research Institute of Bioscience and Biotechnology
- Cancer combination therapies utilizing a nicotinamide phosphoribosyltransferase inhibitor in combination with a nicotinamide adenine dinucleotide salvage pathway precursor25 Aug 2026US 12,714,722 B2Fred Hutchinson Cancer Center
- Treatment approach by targeted delivery of bioactive molecules bio modulated ceramics18 Aug 2026US 12,708,603 B2Moroxite AB
- Epinephrine-based ophthalmic compositions for intraocular administration and methods for fabricating thereof11 Aug 2026US 12,702,651 B2Harrow IP, LLC
- Composition for removing and inhibiting senescent cells, and uses thereof8 Oct 2026US 2026/0306460 A1Lifeceutix Co., Ltd.
- Modulators of sortilin activity24 Sep 2026US 2026/0285802 A1
- Formation of co-crystals17 Sep 2026US 2026/0272840 A1Indicatrix Crystallography Ltd.
- Selective alpha-2c adrenergic receptor agonists and uses thereof17 Sep 2026US 2026/0272901 A1AlpheraBio LLC
- Acetaminophen compositions and methods of treating cancer3 Sep 2026US 2026/0256720 A1The United States Government as represented by the Department of Veterans Affairs
Most cited
By later US patents
- Urologic irrigation solution and method for inhibition of pain, inflammation and spasm152US 5,858,017 AOmeros Medical Systems, Inc. · 1999
- Arthroscopic irrigation solution and method for inhibition of pain and inflammation140US 5,860,950 AOmeros Medical Systems, Inc. · 1999
- Vascular irrigation solution and method for inhibition of pain, inflammation, spasm and restenosis118US 5,800,385 AOmeros Medical Systems, Inc. · 1998
- Arylsulfonamido-substituted hydroxamic acids85US 5,552,419 ACiba-Geigy Corporation · 1996
- Npyy5 antagonists74US 6,699,891 B1Shionogi & Co., Ltd. · 2004