A61K 8/365
Hydroxycarboxylic acids
Official title: Hydroxycarboxylic acids; Ketocarboxylic acids
A61K8/365 (Hydroxycarboxylic acids) appears on 2,132 US grants and 3,003 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,132
- Published applications
- 3,003
- Assignees
- 994
- Inventors
- 5,424
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 21 | 0 |
| 1992 | 23 | 0 |
| 1993 | 17 | 0 |
| 1994 | 17 | 0 |
| 1995 | 31 | 0 |
| 1996 | 56 | 0 |
| 1997 | 101 | 0 |
| 1998 | 58 | 0 |
| 1999 | 86 | 0 |
| 2000 | 50 | 0 |
| 2001 | 61 | 13 |
| 2002 | 64 | 59 |
| 2003 | 57 | 88 |
| 2004 | 35 | 80 |
| 2005 | 17 | 66 |
| 2006 | 14 | 86 |
| 2007 | 25 | 85 |
| 2008 | 11 | 67 |
| 2009 | 11 | 64 |
| 2010 | 36 | 73 |
| 2011 | 27 | 54 |
| 2012 | 27 | 80 |
| 2013 | 43 | 93 |
| 2014 | 61 | 108 |
| 2015 | 50 | 143 |
| 2016 | 88 | 179 |
| 2017 | 82 | 173 |
| 2018 | 83 | 160 |
| 2019 | 100 | 165 |
| 2020 | 134 | 169 |
| 2021 | 111 | 184 |
| 2022 | 113 | 187 |
| 2023 | 88 | 168 |
| 2024 | 85 | 168 |
| 2025 | 81 | 164 |
| 2026 | 49 | 127 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogel patch including additive solution adjustable for its syneresis pattern and method of manufacturing the composition29 Sep 2026US 12,746,188 B2Jincostech Co., Ltd.
- Antiperspirant emulsion29 Sep 2026US 12,746,189 B2Conopco, Inc.
- Cosmetic composition29 Sep 2026US 12,746,193 B2Ajinomoto Co., Inc.
- Cosmetic compositions and methods of using same1 Sep 2026US 12,721,798 B2Mary Kay Inc.
- Skin treatment using NO1 Sep 2026US 12,721,864 B2Yes2NO GMBH
- Methods of use of oral care compositions comprising hops8 Oct 2026US 2026/0306372 A1The Procter & Gamble Company
- Cosmetic composition8 Oct 2026US 2026/0306373 A1Amorepacific Corporation
- Hair treatment composition8 Oct 2026US 2026/0306384 A1
- Compositions and related kits for treating dog dental health8 Oct 2026US 2026/0306386 A1Life's Abundance
- Compositions containing hyaluronic acid, amino acids and krebs cycle intermediates useful to increase the gene expression of the extracellular matrix8 Oct 2026US 2026/0306392 A1Professional Dietetics S.R.L.
Most cited
By later US patents
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Low intensity light therapy for the manipulation of fibroblast, and fibroblast-derived mammalian cells and collagen267US 6,676,655 B2Light BioScience, LLC · 2004
- Alpha hydroxyacids, alpha ketoacids and their use in treating skin conditions212US 4,363,815 A1982
- Therapeutic treatment of dry skin182US 4,105,783 A1978
- Sunscreen-wound healing compositions and methods for preparing and using same180US 5,674,912 AWarner-Lambert Company · 1997