A61K 31/19
Carboxylic acids
Official title: Carboxylic acids, e.g. valproic acid (salicylic acid A61K31/60)
A61K31/19 (Carboxylic acids) appears on 17,411 US grants and 29,777 published applications in this corpus.
Search patents in A61K- Granted patents
- 17,411
- Published applications
- 29,777
- Assignees
- 9,004
- Inventors
- 41,269
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 50 | 0 |
| 1977 | 45 | 0 |
| 1978 | 53 | 0 |
| 1979 | 46 | 0 |
| 1980 | 75 | 0 |
| 1981 | 33 | 0 |
| 1982 | 35 | 0 |
| 1983 | 44 | 0 |
| 1984 | 45 | 0 |
| 1985 | 45 | 0 |
| 1986 | 42 | 0 |
| 1987 | 64 | 0 |
| 1988 | 67 | 0 |
| 1989 | 127 | 0 |
| 1990 | 99 | 0 |
| 1991 | 99 | 0 |
| 1992 | 110 | 0 |
| 1993 | 131 | 0 |
| 1994 | 111 | 0 |
| 1995 | 143 | 0 |
| 1996 | 180 | 0 |
| 1997 | 270 | 0 |
| 1998 | 275 | 0 |
| 1999 | 315 | 0 |
| 2000 | 279 | 0 |
| 2001 | 327 | 121 |
| 2002 | 317 | 495 |
| 2003 | 324 | 771 |
| 2004 | 220 | 875 |
| 2005 | 206 | 888 |
| 2006 | 271 | 924 |
| 2007 | 214 | 856 |
| 2008 | 200 | 819 |
| 2009 | 202 | 900 |
| 2010 | 324 | 1025 |
| 2011 | 383 | 1024 |
| 2012 | 450 | 1011 |
| 2013 | 645 | 1208 |
| 2014 | 759 | 1529 |
| 2015 | 800 | 1528 |
| 2016 | 830 | 1531 |
| 2017 | 957 | 1539 |
| 2018 | 909 | 1416 |
| 2019 | 899 | 1487 |
| 2020 | 935 | 1577 |
| 2021 | 910 | 1626 |
| 2022 | 824 | 1625 |
| 2023 | 721 | 1468 |
| 2024 | 743 | 1381 |
| 2025 | 756 | 1175 |
| 2026 | 502 | 978 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Powder mixing device, and uses thereof6 Oct 2026US 12,751,925 B2University of Connecticut
- Prevention of viral transmission through feed6 Oct 2026US 12,751,931 B2Dsm IP Assets B.V.
- Stable levothyroxine compositions in aprotic polar solvents6 Oct 2026US 12,751,937 B2Xeris Pharmaceuticals, Inc.
- Small molecule inhibitors of viral replication6 Oct 2026US 12,751,963 B2The Trustees of Princeton University
- Synergistic activity of novel compounds against planktonic and biofilm cells of clinically relevant pathogens6 Oct 2026US 12,752,038 B2SterileCare Inc.
- Tea compositions comprising paraxanthine and methods of production thereof8 Oct 2026US 2026/0305643 A1
- Methods of determining glucose hypometabolism-induced energy crisis and treatments thereof8 Oct 2026US 2026/0306018 A1Senovia Biosciences LLC
- Silica-based nanoparticles for sustained release of hydrophobic drug, preparation method therefor, and transdermal drug delivery system comprising same8 Oct 2026US 2026/0306418 A1Mpios Inc.
- Perfluorocarbon compositions, systems, and methods for ischemic, inflammatory, infectuous, transplant, and other medical conditions8 Oct 2026US 2026/0306422 A1
- Compositions, Kits, and Methods Comprising Bioidentical D BHB With Optional Vitamin B6 for Neurological Wellness, Mood Stability, and Medication Taper Support8 Oct 2026US 2026/0306430 A1Global Ketone Limited
Most cited
By later US patents
- Retrograde tissue splitter and method1,605US 5,449,355 AValleylab, Inc. · 1995
- Retrograde tissue splitter and method1,585US 5,797,906 AValleylab, Inc. · 1998
- Wound dressing with conformable elastomeric wound contact layer1,263US 5,445,604 ASmith and Nephew Associated Companies Limited · 1995
- Anti-angiogenic compositions and methods of use968US 5,716,981 AAngiogenesis Technologies, Inc. · 1998
- Methods for treating multiple myeloma with 3-(4-amino-1-oxo-1,3-dihydro-isoindol-2-yl)-piperidine-2,6-dione after stem cell transplantation733US 9,101,621 B2Celgene Corporation · 2015