A61K 8/37
Esters of carboxylic acids
A61K8/37 (Esters of carboxylic acids) appears on 4,669 US grants and 6,580 published applications in this corpus.
Search patents in A61K- Granted patents
- 4,669
- Published applications
- 6,580
- Assignees
- 1,726
- Inventors
- 11,179
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 13 | 0 |
| 1978 | 20 | 0 |
| 1979 | 10 | 0 |
| 1980 | 11 | 0 |
| 1981 | 26 | 0 |
| 1982 | 15 | 0 |
| 1983 | 17 | 0 |
| 1984 | 18 | 0 |
| 1985 | 19 | 0 |
| 1986 | 14 | 0 |
| 1987 | 22 | 0 |
| 1988 | 25 | 0 |
| 1989 | 41 | 0 |
| 1990 | 30 | 0 |
| 1991 | 32 | 0 |
| 1992 | 43 | 0 |
| 1993 | 50 | 0 |
| 1994 | 34 | 0 |
| 1995 | 65 | 0 |
| 1996 | 99 | 0 |
| 1997 | 135 | 0 |
| 1998 | 136 | 0 |
| 1999 | 146 | 0 |
| 2000 | 123 | 0 |
| 2001 | 134 | 45 |
| 2002 | 140 | 126 |
| 2003 | 125 | 187 |
| 2004 | 58 | 212 |
| 2005 | 63 | 170 |
| 2006 | 43 | 195 |
| 2007 | 70 | 194 |
| 2008 | 50 | 175 |
| 2009 | 47 | 175 |
| 2010 | 63 | 220 |
| 2011 | 84 | 172 |
| 2012 | 107 | 206 |
| 2013 | 132 | 226 |
| 2014 | 169 | 287 |
| 2015 | 179 | 293 |
| 2016 | 168 | 374 |
| 2017 | 201 | 365 |
| 2018 | 201 | 321 |
| 2019 | 197 | 326 |
| 2020 | 205 | 333 |
| 2021 | 224 | 398 |
| 2022 | 211 | 378 |
| 2023 | 180 | 312 |
| 2024 | 167 | 337 |
| 2025 | 175 | 305 |
| 2026 | 113 | 248 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water-in-oil cosmetic composition with maximized feeling of moisture6 Oct 2026US 12,751,903 B2Kolmar Korea Co., Ltd.
- Anhydrous hair treatment composition comprising mono-alcohols and fatty compounds6 Oct 2026US 12,751,905 B2L'oreal
- Compositions for administering a dose of an active to animals29 Sep 2026US 12,746,108 B2Shear Kershman Laboratories, Inc.
- Cosmetic or dermatological composition acting in particular on the effects of blue light on skin and its appendages, and associated uses22 Sep 2026US 12,740,931 B2Sederma
- Estolide esters for the cosmetic treatment of skin15 Sep 2026US 12,734,121 B2Clariant International Ltd.
- Solid Composition Comprising Natural Dyes and Makeup Process Using Same8 Oct 2026US 2026/0306367 A1L'oreal
- O/w emulsion containing ethanol8 Oct 2026US 2026/0306370 A1Dr. Kurt Wolff GmbH & Co. KG
- Anti-dandruff compositions8 Oct 2026US 2026/0306374 A1
- Cosmetic or dermatological gel preparation8 Oct 2026US 2026/0306394 A1Beiersdorf AG
- Carbonation sensation imparting or enhancing agent1 Oct 2026US 2026/0293949 A1Takasago International Corporation
Most cited
By later US patents
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Dermal penetration enhancers and drug delivery systems involving same297US 6,299,900 B1Monash University · 2001
- Fast dissolving orally comsumable films222US 6,596,298 B2Warner-Lambert Company · 2003
- Stable hydroalcoholic compositions215US 5,951,993 AMinnesota Mining and Manufacturing Company · 1999
- Shampoo compositions212US 4,470,982 AThe Procter & Gamble Company · 1984