A61K 31/135
Having aromatic rings
Official title: having aromatic rings {, e.g. ketamine, nortriptyline (methadone A61K31/137)}
A61K31/135 (Having aromatic rings) appears on 6,798 US grants and 12,233 published applications in this corpus.
Search patents in A61K- Granted patents
- 6,798
- Published applications
- 12,233
- Assignees
- 3,905
- Inventors
- 16,910
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 42 | 0 |
| 1978 | 24 | 0 |
| 1979 | 14 | 0 |
| 1980 | 22 | 0 |
| 1981 | 27 | 0 |
| 1982 | 20 | 0 |
| 1983 | 19 | 0 |
| 1984 | 27 | 0 |
| 1985 | 18 | 0 |
| 1986 | 25 | 0 |
| 1987 | 13 | 0 |
| 1988 | 18 | 0 |
| 1989 | 44 | 0 |
| 1990 | 42 | 0 |
| 1991 | 41 | 0 |
| 1992 | 28 | 0 |
| 1993 | 37 | 0 |
| 1994 | 34 | 0 |
| 1995 | 56 | 0 |
| 1996 | 86 | 0 |
| 1997 | 99 | 0 |
| 1998 | 111 | 0 |
| 1999 | 131 | 0 |
| 2000 | 123 | 0 |
| 2001 | 178 | 67 |
| 2002 | 162 | 234 |
| 2003 | 146 | 382 |
| 2004 | 114 | 384 |
| 2005 | 81 | 363 |
| 2006 | 135 | 345 |
| 2007 | 55 | 326 |
| 2008 | 71 | 354 |
| 2009 | 72 | 351 |
| 2010 | 113 | 384 |
| 2011 | 112 | 376 |
| 2012 | 156 | 423 |
| 2013 | 230 | 483 |
| 2014 | 281 | 591 |
| 2015 | 310 | 695 |
| 2016 | 369 | 704 |
| 2017 | 347 | 637 |
| 2018 | 329 | 537 |
| 2019 | 346 | 588 |
| 2020 | 346 | 649 |
| 2021 | 336 | 670 |
| 2022 | 339 | 648 |
| 2023 | 281 | 566 |
| 2024 | 262 | 591 |
| 2025 | 289 | 472 |
| 2026 | 200 | 413 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ketamine formulation6 Oct 2026US 12,751,918 B2Fresenius Kabi USA, LLC
- Method of treating and ameliorating depression6 Oct 2026US 12,751,935 B2The United States Government as represented by the Department of Veterans Affairs
- Topical anaesthetic composition having improved vasoconstrictor stability6 Oct 2026US 12,751,946 B2Animal Ethics Pty Ltd
- Compositions and methods of treating lupus nephritis6 Oct 2026US 12,752,005 B2Genentech, Inc.
- API stability in softgels29 Sep 2026US 12,746,206 B2R.P. Scherer Technologies, LLC
- Esketamine formulations and methods for preparation and storage8 Oct 2026US 2026/0306360 A1Janssen Pharmaceutica NV
- 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
- Compounds and combinations thereof for treating neurological and psychiatric conditions8 Oct 2026US 2026/0306426 A1Antecip Bioventures II LLC
- Inhaled statins as bronchodilators to improve lung function in respiratory diseases8 Oct 2026US 2026/0306477 A1Beth Israel Deaconess Medical Center, Inc.
- Composition, methods and uses8 Oct 2026US 2026/0306509 A14E Therapeutics, Inc.
Most cited
By later US patents
- Anti-angiogenic compositions and methods of use968US 5,716,981 AAngiogenesis Technologies, Inc. · 1998
- Therapeutic inhibitor of vascular smooth muscle cells562US 5,733,925 ANeoRx Corporation · 1998
- Preparation of particles for inhalation553US 5,985,309 AMassachusetts Institute of Technology · 1999
- Particles incorporating surfactants for pulmonary drug delivery537US 5,855,913 AMassachusetts Instite of Technology · 1999
- Reversal of general anesthesia by administration of methylphenidate, amphetamine, modafinil, amantadine, and/or caffeine486US 10,299,720 B2The General Hospital Corporation · 2019