A61K 31/443
Containing a five-membered ring with oxygen as a ring hetero atom
Official title: containing a five-membered ring with oxygen as a ring hetero atom
A61K31/443 (Containing a five-membered ring with oxygen as a ring hetero atom) appears on 460 US grants and 833 published applications in this corpus.
Search patents in A61K- Granted patents
- 460
- Published applications
- 833
- Assignees
- 413
- Inventors
- 2,317
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 4 |
| 2002 | 4 | 13 |
| 2003 | 5 | 11 |
| 2004 | 6 | 13 |
| 2005 | 5 | 16 |
| 2006 | 5 | 11 |
| 2007 | 3 | 11 |
| 2008 | 6 | 20 |
| 2009 | 7 | 13 |
| 2010 | 7 | 18 |
| 2011 | 6 | 24 |
| 2012 | 7 | 25 |
| 2013 | 23 | 40 |
| 2014 | 32 | 54 |
| 2015 | 28 | 50 |
| 2016 | 29 | 49 |
| 2017 | 36 | 51 |
| 2018 | 35 | 46 |
| 2019 | 36 | 38 |
| 2020 | 30 | 47 |
| 2021 | 26 | 46 |
| 2022 | 28 | 42 |
| 2023 | 13 | 44 |
| 2024 | 24 | 58 |
| 2025 | 23 | 52 |
| 2026 | 14 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Use of CFTR Modulators For Treating Cerebrovascular Conditions24 Sep 2026US 2026/0284023 A1Qanatpharma AG
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Most cited
By later US patents
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- Modulators of ATP-binding cassette transporters116US 7,741,321 B2Vertex Pharmaceuticals Incorporated · 2010
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