A61K 31/4015
Having oxo groups directly attached to the heterocyclic ring
Official title: having oxo groups directly attached to the heterocyclic ring, e.g. piracetam, ethosuximide
A61K31/4015 (Having oxo groups directly attached to the heterocyclic ring) appears on 814 US grants and 1,526 published applications in this corpus.
Search patents in A61K- Granted patents
- 814
- Published applications
- 1,526
- Assignees
- 696
- Inventors
- 2,836
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 4 | 5 |
| 2002 | 20 | 45 |
| 2003 | 24 | 35 |
| 2004 | 13 | 58 |
| 2005 | 25 | 62 |
| 2006 | 21 | 37 |
| 2007 | 16 | 52 |
| 2008 | 16 | 43 |
| 2009 | 16 | 49 |
| 2010 | 16 | 59 |
| 2011 | 28 | 42 |
| 2012 | 19 | 55 |
| 2013 | 31 | 62 |
| 2014 | 42 | 90 |
| 2015 | 51 | 67 |
| 2016 | 50 | 84 |
| 2017 | 43 | 70 |
| 2018 | 41 | 69 |
| 2019 | 47 | 80 |
| 2020 | 47 | 63 |
| 2021 | 51 | 91 |
| 2022 | 28 | 61 |
| 2023 | 40 | 78 |
| 2024 | 30 | 75 |
| 2025 | 29 | 50 |
| 2026 | 25 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Use of cannabidiol in the treatment of seizures associated with rare epilepsy syndromes related to genetic abnormalities22 Sep 2026US 12,740,992 B2Jazz Pharmaceuticals Research UK Limited
- Functionalized Maleimides and Isomaleimides and a process for preparation thereof8 Sep 2026US 12,729,180 B2Council of Scientific and Industrial Research
- Use of cannabidiol in the treatment of seizures associated with rare epilepsy syndromes related to structural abnormalities of the brain18 Aug 2026US 12,708,632 B2Jazz Pharmaceuticals Research UK Limited
- Methods for weight loss and/or reducing weight gain1 Oct 2026US 2026/0294867 A1The Medical College of Wisconsin, Inc.
- Indole lactate for the treatment of multiple sclerosis1 Oct 2026US 2026/0294870 A1The Johns Hopkins University
- Hydroxyphenyl propanoate compounds for tumour immunotherapy, compositions and uses thereof17 Sep 2026US 2026/0272865 A1
- Double-release three-layered brivaracetam tablet and preparation method thereof10 Sep 2026US 2026/0263368 A1Taizhou Overseas Pharmaceuticals, Ltd.
- Use of cannabinoids in the treatment of epilepsy3 Sep 2026US 2026/0256815 A1Jazz Pharmaceuticals Research UK Limited
Most cited
By later US patents
- Compositions and methods for treating surgical adhesions160US 6,689,803 B2Angiotech Pharmaceuticals, Inc. · 2004
- Local administration of phosphodiesterase inhibitors for the treatment of erectile dysfunction140US 6,037,346 AVivus, Inc. · 2000
- Compositions and methods for the treatment of anorectal disorders126US 6,391,869 B1Cellergy Pharmaceuticals, Inc. · 2002
- Local administration of Type IV phosphodiesterase inhibitors for the treatment of erectile dysfunction85US 6,127,363 AVivus, Inc. · 2000
- Method for treating inflammatory diseases with A.sub.2a adenosine receptor agonists80US 5,877,180 AUniversity of Virginia Patent Foundation · 1999