A61K 31/4706
4-aminoquinolines
Official title: 4-Aminoquinolines; 8-Aminoquinolines, e.g. chloroquine, primaquine
A61K31/4706 (4-aminoquinolines) appears on 482 US grants and 1,086 published applications in this corpus.
Search patents in A61K- Granted patents
- 482
- Published applications
- 1,086
- Assignees
- 597
- Inventors
- 2,209
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 4 |
| 2002 | 7 | 11 |
| 2003 | 10 | 26 |
| 2004 | 3 | 43 |
| 2005 | 9 | 56 |
| 2006 | 7 | 29 |
| 2007 | 12 | 22 |
| 2008 | 8 | 17 |
| 2009 | 9 | 26 |
| 2010 | 8 | 26 |
| 2011 | 18 | 24 |
| 2012 | 15 | 33 |
| 2013 | 18 | 31 |
| 2014 | 21 | 40 |
| 2015 | 17 | 31 |
| 2016 | 31 | 36 |
| 2017 | 20 | 47 |
| 2018 | 20 | 38 |
| 2019 | 31 | 51 |
| 2020 | 26 | 39 |
| 2021 | 31 | 88 |
| 2022 | 25 | 89 |
| 2023 | 35 | 121 |
| 2024 | 29 | 75 |
| 2025 | 29 | 49 |
| 2026 | 28 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions for the treatment of rheumatoid arthritis and methods of using same29 Sep 2026US 12,747,487 B2Regeneron Pharmaceuticals, Inc.
- TLR7/8 antagonists and uses thereof22 Sep 2026US 12,740,978 B2Merck Patent GmbH
- Therapeutic methods for preventing tumor metastasis and tumor recurrence8 Sep 2026US 12,728,104 B2Lunella Biotech, Inc.
- Calixarene compounds and uses thereof25 Aug 2026US 12,714,682 B2Universität Wien
- Small molecule inhibitors of SARS-CoV-2 viral replication and uses thereof25 Aug 2026US 12,715,896 B2Arizona Board of Regents on Behalf of the University of Arizona
- Prophylaxis and treatment of coronavirus infection24 Sep 2026US 2026/0284083 A1Bourgelat Pty Ltd
- Targeting the igf-1 pathway to extend organ lifespan24 Sep 2026US 2026/0284149 A1The Regents of the University of Michigan
- Cleavable polymer drug conjugates24 Sep 2026US 2026/0284196 A1Rs Arastirma Egitim Danismanlik Ilac Sanayi Ticaret Anonim Sirketi
- Cleavable polymer drug conjugates24 Sep 2026US 2026/0284197 A1Rs Arstirma Egitim Danismanlik Ilac Sanayi Ticaret Anonim Sirketi
- Therapeutic compounds24 Sep 2026US 2026/0285836 A1Rutgers, The State University of New Jersey
Most cited
By later US patents
- Immunostimulatory nucleic acid molecules472US 6,207,646 B1Coley Pharmaceutical Group, Inc. · 2001
- Immunostimulatory nucleic acid molecules461US 6,239,116 B1Coley Pharmaceutical Group, Inc. · 2001
- Immunostimulatory nucleic acid molecules for activating dendritic cells265US 6,429,199 B1University of Iowa Research Foundation · 2002
- Nitrogen-containing aromatic derivatives135US 7,253,286 B2Eisai Co., Ltd. · 2007
- Quinoline compounds117US 5,650,415 ASugen, Inc. · 1997