A61K 31/473
Ortho- or peri-condensed with carbocyclic ring systems
Official title: ortho- or peri-condensed with carbocyclic ring systems, e.g. acridines, phenanthridines
A61K31/473 (Ortho- or peri-condensed with carbocyclic ring systems) appears on 870 US grants and 1,742 published applications in this corpus.
Search patents in A61K- Granted patents
- 870
- Published applications
- 1,742
- Assignees
- 762
- Inventors
- 3,158
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 3 | 0 |
| 2001 | 15 | 11 |
| 2002 | 19 | 42 |
| 2003 | 21 | 68 |
| 2004 | 31 | 92 |
| 2005 | 16 | 58 |
| 2006 | 51 | 83 |
| 2007 | 13 | 47 |
| 2008 | 22 | 46 |
| 2009 | 19 | 42 |
| 2010 | 9 | 64 |
| 2011 | 19 | 51 |
| 2012 | 25 | 51 |
| 2013 | 36 | 61 |
| 2014 | 39 | 83 |
| 2015 | 40 | 77 |
| 2016 | 54 | 102 |
| 2017 | 52 | 83 |
| 2018 | 48 | 77 |
| 2019 | 46 | 72 |
| 2020 | 52 | 105 |
| 2021 | 45 | 80 |
| 2022 | 42 | 79 |
| 2023 | 34 | 81 |
| 2024 | 31 | 85 |
| 2025 | 29 | 60 |
| 2026 | 24 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Bacterial DNA gyrase inhibitors and methods of use thereof25 Aug 2026US 12,714,692 B2The Florida International University Board of Trustees
- Compositions and methods for treating or preventing pulmonary hypertension25 Aug 2026US 12,714,702 B2Pulmosim Therapeutics LLC
- Substituted nucleoside analogs as prmt5 inhibitors8 Oct 2026US 2026/0306479 A1Lupin Limited
- Benzo-fused ring compound inhibitor, and preparation method therefor and use thereof1 Oct 2026US 2026/0297071 A1Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
- Prophylaxis and treatment of coronavirus infection24 Sep 2026US 2026/0284083 A1Bourgelat Pty Ltd
- Sik2 modulators and uses thereof17 Sep 2026US 2026/0274820 A1Nimbus Salacia, Inc.
- Entry-modulating agents and uses therefor3 Sep 2026US 2026/0256822 A1
Most cited
By later US patents
- Compositions and methods for increasing the metabolic lifetime of dextromethorphan and related pharmacodynamic effects150US 9,861,595 B2Antecip Bioventures II LLC · 2018
- Delivery of erectile dysfunction drugs through an inhalation route120US 6,803,031 B2Alexza Molecular Delivery Corporation · 2004
- Delivery of opioids through an inhalation route113US 7,169,378 B2Alexza Pharmaceuticals, Inc. · 2007
- Delivery of opioids through an inhalation route107US 6,776,978 B2Alexza Molecular Delivery Corporation · 2004
- Controlled release of drugs delivered by sublingual or buccal administration101US 5,624,677 APentech Pharmaceuticals, Inc. · 1997