A61K 31/4995
Pyrazines or piperazines forming part of bridged ring systems
A61K31/4995 (Pyrazines or piperazines forming part of bridged ring systems) appears on 194 US grants and 518 published applications in this corpus.
Search patents in A61K- Granted patents
- 194
- Published applications
- 518
- Assignees
- 273
- Inventors
- 1,697
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 6 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 4 | 6 |
| 2009 | 0 | 7 |
| 2010 | 2 | 6 |
| 2011 | 1 | 9 |
| 2012 | 3 | 5 |
| 2013 | 3 | 14 |
| 2014 | 7 | 14 |
| 2015 | 7 | 16 |
| 2016 | 12 | 19 |
| 2017 | 14 | 15 |
| 2018 | 9 | 26 |
| 2019 | 18 | 19 |
| 2020 | 13 | 22 |
| 2021 | 13 | 27 |
| 2022 | 20 | 33 |
| 2023 | 15 | 57 |
| 2024 | 15 | 56 |
| 2025 | 17 | 77 |
| 2026 | 15 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of treating SCLC and managing neutropenia29 Sep 2026US 12,746,240 B2Pharma Mar, S. A.
- Short conjugated oligoelectrolytesand antibiotics22 Sep 2026US 12,740,950 B2Nanyang Technological University
- Calixarene compounds and uses thereof25 Aug 2026US 12,714,682 B2Universität Wien
- Methods of treating small cell lung cancer with lurbinectedin formulations25 Aug 2026US 12,714,706 B2Pharma Mar, S. A.
- Urea, amide, and substituted heteroaryl compounds for CBL-B inhibition16 Jun 2026US 12,653,809 B2Nurix Therapeutics, Inc.
- Methods for treating cholestasis1 Oct 2026US 2026/0294903 A1Mirum Pharmaceutical, Inc.
- Sulfoximine compounds as histone deacetylase 6 inhibitor, and pharmaceutical composition comprising the same1 Oct 2026US 2026/0297073 A1Chong Kun Dang Pharmaceutical Corp.
- Medicament for treatment and/or prevention of cancer1 Oct 2026US 2026/0297184 A1Toray Industries, Inc.
- Pharmaceutical compositions of varenicline and process thereof24 Sep 2026US 2026/0284044 A1Tenshi Kaizen L Private Limited
- Inhibitor of complement factor b24 Sep 2026US 2026/0285845 A1Nanjing Chia Tai Tianqing Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Bile acid recycling inhibitors for treatment of obesity and diabetes38US 9,339,480 B2Satiogen Pharmaceuticals, Inc. · 2016
- Pyrazolo[3,4-c]pyridine compounds and methods of use29US 9,260,425 B2Genetech, Inc. · 2016
- Injectable quinolone formulations24US 5,811,130 APfizer Inc. · 1998
- Heteroaryl pyridone and aza-pyridone compounds21US 8,716,274 B2Genentech, Inc. · 2014
- Substituted pyrazolo[1,5-a] pyridine as tropomyosin receptor kinase (Trk) inhibitors21US 9,670,207 B2Dr. Reddy's Laboratories, Inc. · 2017