A61K 47/12
Carboxylic acids
Official title: Carboxylic acids; Salts or anhydrides thereof
A61K47/12 (Carboxylic acids) appears on 4,896 US grants and 8,853 published applications in this corpus.
Search patents in A61K- Granted patents
- 4,896
- Published applications
- 8,853
- Assignees
- 3,270
- Inventors
- 13,040
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 2 | 0 |
| 1986 | 9 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 22 | 0 |
| 1990 | 25 | 0 |
| 1991 | 21 | 0 |
| 1992 | 22 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 23 | 0 |
| 1996 | 45 | 0 |
| 1997 | 59 | 0 |
| 1998 | 50 | 0 |
| 1999 | 64 | 0 |
| 2000 | 40 | 0 |
| 2001 | 58 | 29 |
| 2002 | 47 | 69 |
| 2003 | 41 | 132 |
| 2004 | 36 | 152 |
| 2005 | 49 | 136 |
| 2006 | 55 | 117 |
| 2007 | 37 | 128 |
| 2008 | 39 | 133 |
| 2009 | 33 | 148 |
| 2010 | 77 | 229 |
| 2011 | 107 | 174 |
| 2012 | 93 | 174 |
| 2013 | 120 | 212 |
| 2014 | 153 | 305 |
| 2015 | 194 | 428 |
| 2016 | 231 | 464 |
| 2017 | 269 | 509 |
| 2018 | 306 | 562 |
| 2019 | 297 | 593 |
| 2020 | 348 | 595 |
| 2021 | 354 | 649 |
| 2022 | 321 | 612 |
| 2023 | 312 | 656 |
| 2024 | 312 | 630 |
| 2025 | 328 | 519 |
| 2026 | 206 | 498 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Benzenesulfonamide derivatives and method for treating cancer6 Oct 2026US 12,751,936 B2Gongwin Biopharm Co., Ltd
- Topical anaesthetic composition having improved vasoconstrictor stability6 Oct 2026US 12,751,946 B2Animal Ethics Pty Ltd
- Oral liquid formulation of apixaban6 Oct 2026US 12,751,947 B2Liqmeds Worldwide Limited
- Protease composition6 Oct 2026US 12,751,997 B2Anatara Lifesciences Limited
- Composition containing buffer6 Oct 2026US 12,752,008 B2Perseus Proteomics Inc.
- Esketamine formulations and methods for preparation and storage8 Oct 2026US 2026/0306360 A1Janssen Pharmaceutica NV
- A consumable gel for health ingredients8 Oct 2026US 2026/0306399 A1Gelteq Limited
- Amlodipine formulations8 Oct 2026US 2026/0306467 A1Azurity Pharmaceuticals, Inc.
- Polymorphic forms and formulations of leriglitazone8 Oct 2026US 2026/0306468 A1Minoryx Therapeutics S.L.
- Pyridylaminoacetic acid compound and polyoxyethylene castor oil-containing pharmaceutical composition8 Oct 2026US 2026/0306472 A1Santen Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Immunizing compositions comprising nucleic acids encoding the HIV-1 matrix protein myristate binding site1,449US 7,718,180 B22010
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Delivery systems for hydrophobic drugs320US 5,645,856 AR. P. Scherer Corporation · 1997
- Topical formulations and transdermal delivery systems containing 1-isobutyl-1H-imidazo[4,5-c]quinolin-4-amine288US 5,238,944 ARiker Laboratories, Inc. · 1993
- Pharmaceutical and cosmetic carrier or composition for topical application284US 6,911,211 B2Foamix Ltd. · 2005