A61K 31/22
Of acyclic acids
Official title: of acyclic acids, e.g. pravastatin
A61K31/22 (Of acyclic acids) appears on 4,169 US grants and 6,697 published applications in this corpus.
Search patents in A61K- Granted patents
- 4,169
- Published applications
- 6,697
- Assignees
- 2,609
- Inventors
- 10,192
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 13 | 0 |
| 1978 | 19 | 0 |
| 1979 | 17 | 0 |
| 1980 | 29 | 0 |
| 1981 | 13 | 0 |
| 1982 | 12 | 0 |
| 1983 | 12 | 0 |
| 1984 | 15 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 25 | 0 |
| 1988 | 15 | 0 |
| 1989 | 26 | 0 |
| 1990 | 32 | 0 |
| 1991 | 32 | 0 |
| 1992 | 28 | 0 |
| 1993 | 41 | 0 |
| 1994 | 30 | 0 |
| 1995 | 38 | 0 |
| 1996 | 55 | 0 |
| 1997 | 79 | 0 |
| 1998 | 69 | 0 |
| 1999 | 89 | 0 |
| 2000 | 98 | 0 |
| 2001 | 70 | 32 |
| 2002 | 98 | 141 |
| 2003 | 84 | 178 |
| 2004 | 54 | 164 |
| 2005 | 54 | 195 |
| 2006 | 55 | 247 |
| 2007 | 29 | 199 |
| 2008 | 46 | 166 |
| 2009 | 48 | 163 |
| 2010 | 64 | 213 |
| 2011 | 67 | 218 |
| 2012 | 98 | 210 |
| 2013 | 157 | 301 |
| 2014 | 142 | 396 |
| 2015 | 204 | 348 |
| 2016 | 205 | 373 |
| 2017 | 218 | 344 |
| 2018 | 242 | 333 |
| 2019 | 212 | 375 |
| 2020 | 237 | 321 |
| 2021 | 211 | 367 |
| 2022 | 175 | 352 |
| 2023 | 158 | 272 |
| 2024 | 142 | 315 |
| 2025 | 175 | 236 |
| 2026 | 109 | 238 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crystalline 4-((L-valyl)oxy)butanoic acid29 Sep 2026US 12,747,199 B2Xwpharma Ltd.
- Methods for the treatment of infantile spasms using medium chain triglycerides22 Sep 2026US 12,740,959 B2Cerecin Australia Pty Limited
- Use of phthalide compounds in treatment of meningioma22 Sep 2026US 12,740,964 B2Everfront Biotech Inc.
- Methods for the treatment of conditions related to hydrogen sulfide22 Sep 2026US 12,740,968 B2Regents of the University of Minnesota
- Amino acid compositions22 Sep 2026US 12,741,941 B2ThermoLife International, LLC
- Treprostinil prodrugs8 Oct 2026US 2026/0306438 A1United Therapeutics Corporation
- Sulfurized imidazoles in ophthalmic formulations8 Oct 2026US 2026/0306457 A1Geneiii Biotech Company Ltd.
- 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 --
- Compounds and compositions for treating glucose hypometabolic disorders8 Oct 2026US 2026/0306523 A1Senovia Biosciences LLC
- Methods and compositions for inducing atherosclerotic plaque regression using colchicine1 Oct 2026US 2026/0294847 A1Murray and Poole Enterprises Ltd
Most cited
By later US patents
- Lipid formulation340US 8,158,601 B2Alnylam Pharmaceuticals, Inc. · 2012
- Compositions, apparatus and methods for facilitating surgical procedures323US 6,711,436 B1Duke University · 2004
- Pharmaceutical and cosmetic carrier or composition for topical application284US 6,911,211 B2Foamix Ltd. · 2005
- Methods and compositions for improving digestion and absorption in the small intestine216US 5,977,175 ACedars-Sinai Medical Center · 1999
- Arachidonic acid and methods for the production and use thereof206US 5,658,767 AMartek Corporation · 1997