A61K 31/045
Hydroxy compounds
Official title: Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
A61K31/045 (Hydroxy compounds) appears on 4,460 US grants and 8,431 published applications in this corpus.
Search patents in A61K- Granted patents
- 4,460
- Published applications
- 8,431
- Assignees
- 3,440
- Inventors
- 13,125
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 14 | 0 |
| 1989 | 13 | 0 |
| 1990 | 16 | 0 |
| 1991 | 31 | 0 |
| 1992 | 16 | 0 |
| 1993 | 18 | 0 |
| 1994 | 26 | 0 |
| 1995 | 27 | 0 |
| 1996 | 31 | 0 |
| 1997 | 20 | 0 |
| 1998 | 37 | 0 |
| 1999 | 50 | 0 |
| 2000 | 55 | 0 |
| 2001 | 66 | 20 |
| 2002 | 79 | 101 |
| 2003 | 70 | 162 |
| 2004 | 39 | 167 |
| 2005 | 38 | 192 |
| 2006 | 54 | 205 |
| 2007 | 44 | 178 |
| 2008 | 32 | 217 |
| 2009 | 34 | 216 |
| 2010 | 74 | 267 |
| 2011 | 66 | 233 |
| 2012 | 94 | 246 |
| 2013 | 151 | 344 |
| 2014 | 219 | 437 |
| 2015 | 234 | 396 |
| 2016 | 231 | 465 |
| 2017 | 260 | 420 |
| 2018 | 286 | 426 |
| 2019 | 273 | 455 |
| 2020 | 295 | 481 |
| 2021 | 278 | 529 |
| 2022 | 240 | 521 |
| 2023 | 231 | 552 |
| 2024 | 240 | 511 |
| 2025 | 232 | 379 |
| 2026 | 170 | 311 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Assisted loading of hydrophobic molecules into liposomes6 Oct 2026US 12,751,922 B2University of Connecticut
- Carotenoid preparations, preparation methods, and application thereof6 Oct 2026US 12,751,924 B2Innobio Corporation Limited
- Prevention of viral transmission through feed6 Oct 2026US 12,751,931 B2Dsm IP Assets B.V.
- Stable pharmaceutical compositions of edaravone and dextrocamphol6 Oct 2026US 12,751,941 B2Jiangsu Simcere Pharmaceutical Co., Ltd.
- Ionic liquids for transdermal drug delivery6 Oct 2026US 12,752,009 B2Arizona Board of Regents
- Tea compositions comprising paraxanthine and methods of production thereof8 Oct 2026US 2026/0305643 A1
- Interface structure for a bioelectrode8 Oct 2026US 2026/0306000 A1Teknologian tutkimuskeskus VTT Oy
- Glp-1r agonist and dpp-4 inhibitor compositions and methods of using8 Oct 2026US 2026/0306423 A1JDS Therapeutics, LLC
- Sulfurized imidazoles in ophthalmic formulations8 Oct 2026US 2026/0306431 A1Geneiii Biotech Company Ltd.
- Nutritional compositions, supplements, and fortifiers8 Oct 2026US 2026/0306432 A1Societe des Produits Nestle S. A.
Most cited
By later US patents
- Personal safety mobile notification system229US 8,624,727 B2Saigh and Son, LLC · 2014
- Vitamin A aerosol-inhalate preparations189US 5,112,598 AHermes Fabrik Pharmazeutischer Preparate Franz Gradinger GmbH & Co. KG · 1992
- Method for reducing skin irritation associated with drug/penetration enhancer compositions187US 4,855,294 ATheratech, Inc. · 1989
- Medical electrodes186US 8,548,557 B2Covidien LP · 2013
- Sterile bioerodible occular implant device with a retinoid for improved biocompatability170US 6,074,661 AAllergan Sales, Inc. · 2000