A61K 31/4535
Containing a heterocyclic ring having sulfur as a ring hetero atom
Official title: containing a heterocyclic ring having sulfur as a ring hetero atom, e.g. pizotifen
A61K31/4535 (Containing a heterocyclic ring having sulfur as a ring hetero atom) appears on 630 US grants and 909 published applications in this corpus.
Search patents in A61K- Granted patents
- 630
- Published applications
- 909
- Assignees
- 440
- Inventors
- 1,776
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 13 | 0 |
| 1996 | 31 | 0 |
| 1997 | 30 | 0 |
| 1998 | 28 | 0 |
| 1999 | 30 | 0 |
| 2000 | 26 | 0 |
| 2001 | 26 | 7 |
| 2002 | 26 | 27 |
| 2003 | 25 | 34 |
| 2004 | 12 | 32 |
| 2005 | 5 | 24 |
| 2006 | 6 | 14 |
| 2007 | 5 | 25 |
| 2008 | 4 | 24 |
| 2009 | 6 | 27 |
| 2010 | 6 | 42 |
| 2011 | 8 | 26 |
| 2012 | 19 | 35 |
| 2013 | 32 | 40 |
| 2014 | 23 | 48 |
| 2015 | 24 | 54 |
| 2016 | 29 | 41 |
| 2017 | 21 | 36 |
| 2018 | 18 | 37 |
| 2019 | 28 | 47 |
| 2020 | 25 | 47 |
| 2021 | 24 | 45 |
| 2022 | 22 | 42 |
| 2023 | 16 | 50 |
| 2024 | 25 | 31 |
| 2025 | 18 | 44 |
| 2026 | 18 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Small molecule inhibitors of mammalian SLC6A19 function11 Aug 2026US 12,703,692 B2Jnana Therapeutics Inc.
- Use of 2,3,5-substituted thiophene compound for enhancement of radiotherapy21 Jul 2026US 12,685,729 B2Pharos Ibio Co., Ltd.
- Compositions and methods for modulating ACE2 receptor14 Jul 2026US 12,678,434 B2
- Porous nanocomposite medical implant device9 Jun 2026US 12,648,904 B2Lynthera Corporation
- Aryl-aniline and heteroaryl-aniline compounds for treatment of birthmarks24 Sep 2026US 2026/0284017 A1Nflection Therapeutics, Inc.
- Substituted thiophene fused derivatives, compositions comprising the same and their use as pharmaceuticals24 Sep 2026US 2026/0285829 A1Neurasic Therapeutics Inc.
- Methods of improving the solubility and bioavailability of therapeutic agents10 Sep 2026US 2026/0263380 A1MAA Laboratories, Inc.
- Benzothiophene derivatives as rxfp1 agonists10 Sep 2026US 2026/0265233 A1Bristol-Myers Squibb Company
- Inhibitors for treating solid tumours3 Sep 2026US 2026/0256799 A1
Most cited
By later US patents
- Method of moving a delivery member of a dispensing device for administration of oral transmucosal dosage forms654US 8,499,966 B2AcelRx Pharmaceuticals, Inc. · 2013
- Aerosol formulations containing propellant 134a and fluticasone propionate159US 5,658,549 AGlaxo Group Limited · 1997
- Methods and apparatus for improved administration of pharmaceutically active compounds152US 6,245,347 B1Zars, Inc. · 2001
- Methods and devices for delivering opioid analgesics to wounds via a subdermal implant134US 5,919,473 A1999
- Implantable devices and methods for treatment of pain by delivery of fentanyl and fentanyl congeners122US 6,835,194 B2Durect Corporation · 2004