A61K 31/55
Having seven-membered rings
Official title: having seven-membered rings, e.g. azelastine, pentylenetetrazole
A61K31/55 (Having seven-membered rings) appears on 6,908 US grants and 12,304 published applications in this corpus.
Search patents in A61K- Granted patents
- 6,908
- Published applications
- 12,304
- Assignees
- 3,687
- Inventors
- 23,960
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 15 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 12 | 0 |
| 1982 | 14 | 0 |
| 1983 | 19 | 0 |
| 1984 | 16 | 0 |
| 1985 | 5 | 0 |
| 1986 | 20 | 0 |
| 1987 | 21 | 0 |
| 1988 | 20 | 0 |
| 1989 | 37 | 0 |
| 1990 | 40 | 0 |
| 1991 | 40 | 0 |
| 1992 | 49 | 0 |
| 1993 | 56 | 0 |
| 1994 | 40 | 0 |
| 1995 | 44 | 0 |
| 1996 | 91 | 0 |
| 1997 | 80 | 0 |
| 1998 | 98 | 0 |
| 1999 | 102 | 0 |
| 2000 | 90 | 0 |
| 2001 | 99 | 32 |
| 2002 | 97 | 181 |
| 2003 | 122 | 261 |
| 2004 | 96 | 381 |
| 2005 | 72 | 320 |
| 2006 | 125 | 378 |
| 2007 | 77 | 351 |
| 2008 | 93 | 296 |
| 2009 | 93 | 334 |
| 2010 | 119 | 360 |
| 2011 | 147 | 318 |
| 2012 | 180 | 355 |
| 2013 | 215 | 443 |
| 2014 | 285 | 553 |
| 2015 | 358 | 644 |
| 2016 | 376 | 628 |
| 2017 | 433 | 709 |
| 2018 | 438 | 589 |
| 2019 | 436 | 603 |
| 2020 | 365 | 636 |
| 2021 | 351 | 629 |
| 2022 | 320 | 603 |
| 2023 | 281 | 619 |
| 2024 | 293 | 720 |
| 2025 | 278 | 750 |
| 2026 | 209 | 611 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- CDK inhibitors6 Oct 2026US 12,751,951 B2Genentech, Inc.
- Combination therapy of PD-1 axis binding antagonists and LRRK2 inhitibors6 Oct 2026US 12,751,956 B2Hoffmann-La Roche Inc.
- Use of multikinase inhibitor6 Oct 2026US 12,751,957 B2Transthera Sciences (Nanjing), Inc.
- Salt containing piperazine polycyclic derivative, crystal form thereof, preparation method therefor, and use thereof6 Oct 2026US 12,753,166 B2Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
- Sirt6 activators6 Oct 2026US 12,753,180 B2Board of Regents, The University of Texas System
- Modified liposome for drug delivery, use of liposome for drug delivery, especially with anti-cancer activity, and ways to load liposome with drugs, especially with anti-cancer activity8 Oct 2026US 2026/0306403 A1Bs Biotechna Spolka Akcyjna
- Stable polymer-lipid nanoparticle for drug binding and delivery, especially with anticancer properties, and a method for producing stable polymer-lipid nanoparticles carrying drugs, especially with anticancer properties8 Oct 2026US 2026/0306420 A1Bs Biotechna Spolka Akcyjna
- Composition for removing and inhibiting senescent cells, and uses thereof8 Oct 2026US 2026/0306460 A1Lifeceutix Co., Ltd.
- Methods and pharmaceutical compositions comprising d1-like dopamine receptor agonist for the treatment of autosomal dominant polycystic kidney disease8 Oct 2026US 2026/0306504 A1Centre Hospitalier Universitaire De Rouen
- Treatment of cerebral cavernous malformations and cerebral aneurysms with rho kinase inhibitors8 Oct 2026US 2026/0306505 A1BioAxone BioSciences, Inc.
Most cited
By later US patents
- Solid carriers for improved delivery of active ingredients in pharmaceutical compositions930US 6,248,363 B1Lipocine Inc. · 2001
- Solid carriers for improved delivery of active ingredients in pharmaceutical compositions684US 6,923,988 B2Lipocine Inc. · 2005
- Solid carriers for improved delivery of hydrophobic active ingredients in pharmaceutical compositions616US 6,569,463 B2Lipocine Inc. · 2003
- Therapeutic inhibitor of vascular smooth muscle cells438US 5,981,568 ANeoRx Corporation · 1999
- Abuse-proofed dosage system297US 7,776,314 B2GrüNenthal GmbH · 2010