A61K 31/431
Containing further heterocyclic rings
Official title: containing further heterocyclic rings, e.g. ticarcillin, azlocillin, oxacillin
A61K31/431 (Containing further heterocyclic rings) appears on 185 US grants and 392 published applications in this corpus.
Search patents in A61K- Granted patents
- 185
- Published applications
- 392
- Assignees
- 218
- Inventors
- 856
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 5 | 5 |
| 2004 | 2 | 7 |
| 2005 | 0 | 1 |
| 2006 | 0 | 5 |
| 2007 | 1 | 5 |
| 2008 | 0 | 4 |
| 2009 | 1 | 10 |
| 2010 | 2 | 10 |
| 2011 | 3 | 19 |
| 2012 | 5 | 7 |
| 2013 | 6 | 13 |
| 2014 | 6 | 45 |
| 2015 | 9 | 21 |
| 2016 | 17 | 21 |
| 2017 | 14 | 20 |
| 2018 | 14 | 32 |
| 2019 | 14 | 18 |
| 2020 | 16 | 28 |
| 2021 | 15 | 27 |
| 2022 | 8 | 25 |
| 2023 | 13 | 25 |
| 2024 | 12 | 15 |
| 2025 | 9 | 16 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods of diagnosing or treating Lyme disease3 Mar 2026US 12,566,180 B2Drexel University
- Combination therapy for bacterial infections comprising zinc-chelator, beta-lactam antibiotic and serine beta-lactamase inhibitor8 Oct 2026US 2026/0306526 A1Adjutec Pharma AS
- Chimeric endolysins with activity against streptococci and staphylococci17 Sep 2026US 2026/0275317 A1
- Transdermal drug delivery patch system for controlled and sustained delivery of tizanidine base10 Sep 2026US 2026/0263383 A1
- Chromane amidine monobactam compounds for the treatment of bacterial infections3 Sep 2026US 2026/0258029 A1Merck Sharp & Dohme Corp.
- Therapy based on synthetic lethality in swi/snf complex-dysfunction cancer27 Aug 2026US 2026/0248806 A1National Cancer Center
Most cited
By later US patents
- Method for diagnosing, preventing, and treating neurological diseases64US 9,707,207 B2The United States of America as represented by the Department of Veterans Affairs · 2017
- Compositions containing piperacillin and tazobactam useful for injection34US 7,915,229 B2Wyeth Holdings Corporation · 2011
- Use of PDE V inhibitors for improved fecundity in mammals32US 6,743,799 B2Pfizer Inc. · 2004
- Anti-biofilm compositions and methods for using28US 8,741,855 B2Board of Trustees of the University of Arkansas · 2014
- Composition and method for treatment of depression and psychosis in humans26US 9,486,453 B2Glytech, Inc. · 2016