A61K 31/554
Having at least one nitrogen and one sulfur as ring hetero atoms
Official title: having at least one nitrogen and one sulfur as ring hetero atoms, e.g. clothiapine, diltiazem
A61K31/554 (Having at least one nitrogen and one sulfur as ring hetero atoms) appears on 543 US grants and 1,068 published applications in this corpus.
Search patents in A61K- Granted patents
- 543
- Published applications
- 1,068
- Assignees
- 495
- Inventors
- 2,097
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 10 | 23 |
| 2003 | 16 | 14 |
| 2004 | 7 | 31 |
| 2005 | 9 | 29 |
| 2006 | 10 | 30 |
| 2007 | 4 | 36 |
| 2008 | 6 | 24 |
| 2009 | 8 | 30 |
| 2010 | 10 | 29 |
| 2011 | 12 | 40 |
| 2012 | 9 | 26 |
| 2013 | 13 | 41 |
| 2014 | 23 | 42 |
| 2015 | 20 | 57 |
| 2016 | 27 | 49 |
| 2017 | 28 | 52 |
| 2018 | 31 | 48 |
| 2019 | 31 | 40 |
| 2020 | 33 | 58 |
| 2021 | 31 | 61 |
| 2022 | 42 | 62 |
| 2023 | 33 | 59 |
| 2024 | 33 | 58 |
| 2025 | 27 | 70 |
| 2026 | 19 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for the treatment of conditions related to hydrogen sulfide22 Sep 2026US 12,740,968 B2Regents of the University of Minnesota
- Salts of neuroceuticals and uses thereof25 Aug 2026US 12,714,711 B2SyneuRx International (Taiwan) Corp.
- Compositions and methods for improving cognitive function28 Jul 2026US 12,691,130 B2Diamond Therapeutics Inc.
- Compositions for the treatment of hypertension7 Jul 2026US 12,673,047 B2The George Institute for Global Health
- Compositions for the treatment of hypertension23 Jun 2026US 12,661,345 B2The George Institute for Global Health
- Identification of mechanosensing regulators in plasmacytoid dendritic cells8 Oct 2026US 2026/0306507 A1New York Society for the Relief of Theruptured and Crippled, Maintaining the Hospital Special --
- Crystalline forms of evenamide8 Oct 2026US 2026/0308115 A1Newron Pharmaceuticals S.p.A.
- Methods for treating cholestasis1 Oct 2026US 2026/0294903 A1Mirum Pharmaceutical, Inc.
- Dual inhibitors of dyrk1a and 5-ht2 for treating a brain disorder24 Sep 2026US 2026/0284018 A1
- Compositions for the treatment of hypertension24 Sep 2026US 2026/0284022 A1The George Institute for Global Health
Most cited
By later US patents
- Controlled absorption diltiazen formulation for once-daily administration195US 5,616,345 AElan Corporation, plc · 1997
- Methods for treating inflammatory conditions167US 6,190,691 B1Adolor Corporation · 2001
- Diltiazem controlled release formulation164US 5,567,441 AAndrx Pharmaceuticals, Inc. · 1996
- Compositions and methods for the treatment of anorectal disorders126US 6,391,869 B1Cellergy Pharmaceuticals, Inc. · 2002
- Controlled absorption diltiazem formulation for once-daily administration119US 4,894,240 AElan Corporation, plc · 1990