A61K 31/4425
Pyridinium derivatives
Official title: Pyridinium derivatives, e.g. pralidoxime, pyridostigmine
A61K31/4425 (Pyridinium derivatives) appears on 277 US grants and 467 published applications in this corpus.
Search patents in A61K- Granted patents
- 277
- Published applications
- 467
- Assignees
- 267
- Inventors
- 899
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 10 | 7 |
| 2003 | 3 | 8 |
| 2004 | 4 | 9 |
| 2005 | 2 | 7 |
| 2006 | 1 | 6 |
| 2007 | 1 | 4 |
| 2008 | 0 | 5 |
| 2009 | 0 | 9 |
| 2010 | 1 | 13 |
| 2011 | 4 | 16 |
| 2012 | 11 | 21 |
| 2013 | 8 | 15 |
| 2014 | 8 | 30 |
| 2015 | 14 | 22 |
| 2016 | 19 | 28 |
| 2017 | 20 | 29 |
| 2018 | 17 | 19 |
| 2019 | 16 | 29 |
| 2020 | 22 | 34 |
| 2021 | 20 | 29 |
| 2022 | 19 | 38 |
| 2023 | 11 | 27 |
| 2024 | 21 | 19 |
| 2025 | 20 | 25 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for administering an antimicrobial treatment to an animal in a meat processing operation1 Sep 2026US 12,721,865 B2Cargill, Incorporated
- Targeting LASP1, eIF4A1, eIF4B and CXC4 with modulators and combinations thereof for cancer therapy16 Jun 2026US 12,653,805 B2The University of Toledo
- HSP70 inhibitors and methods of using same5 May 2026US 12,616,753 B2The Trustees of the University of Pennsylvania
- Medical counter measures including dry powder formulations and associated methods5 May 2026US 12,616,807 B2Belhaven BioPharma Inc.
- Methods of treatment and/or prevention of disorders and symptoms related to BKCa and/or SK channelophathies21 Apr 2026US 12,605,367 B2
- Broad spectrum antifungal keto-alkyl-pyridinium compounds17 Sep 2026US 2026/0274828 A1Board of Trustees of Northern Illinois University
- Pyrimidine nucleoside treatments27 Aug 2026US 2026/0248833 A1Children's Medical Center Corporation
- Medical counter measures including dry powder formulations and associated methods27 Aug 2026US 2026/0249029 A1Belhaven BioPharma Inc.
- Mitochondria-targeted isoketal/isolevuglandin scavengers and uses thereof16 Jul 2026US 2026/0199307 A1Vanderbilt University
- Pyridine-2-thiol 1-oxide derivatives and their use for treatment of mammalian infections caused by mycobacterium or fungi9 Jul 2026US 2026/0191845 A1
Most cited
By later US patents
- Methods for treating disordered tissue through agitated delivery of anti-infective compositions84US 6,420,431 B12002
- Anti-infective compositions for treating disordered tissue such as cold sores79US 6,414,032 B12002
- Viracidal, bactericidal and spermicidal vaginal suppository70US 5,466,463 ALafor Laboratories Limited · 1995
- Antiseptic compositions suitable for application to human tissue69US 6,410,599 B12002
- Systems for delivering anti-infective compositions to treat disordered tissue such as cold sores65US 6,423,750 B12002