A61K 47/14
Esters of carboxylic acids
Official title: Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
A61K47/14 (Esters of carboxylic acids) appears on 3,598 US grants and 6,675 published applications in this corpus.
Search patents in A61K- Granted patents
- 3,598
- Published applications
- 6,675
- Assignees
- 2,662
- Inventors
- 10,208
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 12 | 0 |
| 1985 | 13 | 0 |
| 1986 | 14 | 0 |
| 1987 | 6 | 0 |
| 1988 | 12 | 0 |
| 1989 | 19 | 0 |
| 1990 | 14 | 0 |
| 1991 | 22 | 0 |
| 1992 | 17 | 0 |
| 1993 | 19 | 0 |
| 1994 | 16 | 0 |
| 1995 | 22 | 0 |
| 1996 | 19 | 0 |
| 1997 | 27 | 0 |
| 1998 | 35 | 0 |
| 1999 | 46 | 0 |
| 2000 | 31 | 0 |
| 2001 | 49 | 11 |
| 2002 | 31 | 54 |
| 2003 | 28 | 103 |
| 2004 | 30 | 135 |
| 2005 | 31 | 127 |
| 2006 | 35 | 96 |
| 2007 | 22 | 121 |
| 2008 | 19 | 113 |
| 2009 | 25 | 130 |
| 2010 | 50 | 135 |
| 2011 | 42 | 165 |
| 2012 | 80 | 182 |
| 2013 | 103 | 218 |
| 2014 | 139 | 294 |
| 2015 | 158 | 351 |
| 2016 | 188 | 374 |
| 2017 | 226 | 394 |
| 2018 | 211 | 395 |
| 2019 | 197 | 412 |
| 2020 | 249 | 443 |
| 2021 | 239 | 456 |
| 2022 | 227 | 456 |
| 2023 | 220 | 440 |
| 2024 | 225 | 428 |
| 2025 | 228 | 347 |
| 2026 | 151 | 295 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Injectable formulations in a method for treating pain6 Oct 2026US 12,751,943 B2Pelthos Therapeutics Inc.
- Pharmaceutical compounds and methods of making and using the same29 Sep 2026US 12,747,208 B2Athos Therapeutics, Inc.
- Methods and compositions for interfering with extraction or conversion of a drug susceptible to abuse22 Sep 2026US 12,740,948 B2Acura Pharmaceuticals, Inc.
- Preparation including vaccine adjuvant22 Sep 2026US 12,741,021 B2Sumitomo Dainippon Pharma Co., Ltd.
- Process for preparing dispensable testosterone cream8 Oct 2026US 2026/0306510 A1Lawley Pharmaceuticals Pty Ltd.
- Topical composition8 Oct 2026US 2026/0306512 A1Api Corporation
- Fruit-based freeze-dried edibles8 Oct 2026US 2026/0306515 A1
- Cannabinoid-based formulation8 Oct 2026US 2026/0306516 A1
- Cannabinoid-based formulation8 Oct 2026US 2026/0306571 A1
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
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Lipid formulation340US 8,158,601 B2Alnylam Pharmaceuticals, Inc. · 2012