A61K 31/336
Having three-membered rings
Official title: having three-membered rings, e.g. oxirane, fumagillin
A61K31/336 (Having three-membered rings) appears on 363 US grants and 621 published applications in this corpus.
Search patents in A61K- Granted patents
- 363
- Published applications
- 621
- Assignees
- 354
- Inventors
- 1,197
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 5 |
| 2002 | 5 | 11 |
| 2003 | 7 | 12 |
| 2004 | 6 | 12 |
| 2005 | 4 | 8 |
| 2006 | 4 | 28 |
| 2007 | 2 | 16 |
| 2008 | 2 | 10 |
| 2009 | 4 | 12 |
| 2010 | 12 | 25 |
| 2011 | 5 | 20 |
| 2012 | 4 | 13 |
| 2013 | 13 | 33 |
| 2014 | 16 | 29 |
| 2015 | 22 | 36 |
| 2016 | 17 | 41 |
| 2017 | 32 | 33 |
| 2018 | 23 | 39 |
| 2019 | 22 | 48 |
| 2020 | 24 | 36 |
| 2021 | 13 | 42 |
| 2022 | 15 | 37 |
| 2023 | 19 | 30 |
| 2024 | 15 | 14 |
| 2025 | 19 | 15 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Epoxy compound and use thereof10 Sep 2026US 2026/0265270 A1Shanghai Huilun Pharmaceutical Co., Ltd.
- Assay system for developing honeybee antiviral agent using inhibition of virus-derived protease as indicator20 Aug 2026US 2026/0242843 A1Toyama Prefectural University
- Cytotoxic epoxyketone compounds, precursors, compositions, and methods of use13 Aug 2026US 2026/0234116 A1
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Most cited
By later US patents
- Chemotherapy for cancer by inhibiting the fatty acid biosynthetic pathway92US 5,759,837 AThe John Hopkins University · 1998
- Epoxide hydrolase complexes and methods therewith81US 6,150,415 AThe Regents of the University of California · 2000
- Angiogenesis inhibitory agent77US 5,698,586 ATakeda Chemical Industries, Ltd. · 1997
- Oral composition of fumagillol derivative76US 5,846,562 ATakeda Chemical Industries, Ltd. · 1998
- Method for regulating size of vascularized normal tissue72US 6,306,819 B1Children's Medical Center Corporation · 2001