A61K 47/542
Carboxylic acids
Official title: {Carboxylic acids, e.g. a fatty acid or an amino acid}
A61K47/542 (Carboxylic acids) appears on 1,189 US grants and 2,193 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,189
- Published applications
- 2,193
- Assignees
- 919
- Inventors
- 3,760
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 14 | 0 |
| 1999 | 19 | 0 |
| 2000 | 15 | 0 |
| 2001 | 12 | 5 |
| 2002 | 14 | 19 |
| 2003 | 11 | 18 |
| 2004 | 7 | 24 |
| 2005 | 7 | 22 |
| 2006 | 13 | 23 |
| 2007 | 12 | 29 |
| 2008 | 11 | 31 |
| 2009 | 16 | 79 |
| 2010 | 29 | 48 |
| 2011 | 18 | 44 |
| 2012 | 20 | 50 |
| 2013 | 28 | 73 |
| 2014 | 48 | 81 |
| 2015 | 48 | 114 |
| 2016 | 71 | 115 |
| 2017 | 70 | 126 |
| 2018 | 70 | 110 |
| 2019 | 68 | 114 |
| 2020 | 74 | 135 |
| 2021 | 88 | 135 |
| 2022 | 73 | 166 |
| 2023 | 66 | 170 |
| 2024 | 85 | 198 |
| 2025 | 95 | 154 |
| 2026 | 57 | 110 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods of loading extracellular vesicles29 Sep 2026US 12,746,291 B2Lonza Sales AG
- Pharmaceutical compositions of polypeptide conjugates and methods of uses thereof1 Sep 2026US 12,721,897 B2Beijing Ql Biopharmaceutical Co., Ltd.
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- Conjugates for selective responsiveness to vicinal diols18 Aug 2026US 12,709,622 B2Protomer Technologies, Inc.
- Nanoparticles for photoimmune therapy comprising photosensitizer and adjuvant, and usage thereof8 Oct 2026US 2026/0306632 A1Korea Institute of Science and Technology
- Pharmaceutical compositions comprising bupropion and cysteine8 Oct 2026US 2026/0306637 A1Antecip Bioventures II LLC
- Lipid nanoparticle compositions and uses thereof1 Oct 2026US 2026/0294935 A1Beijing Jitai Life Science Ltd
- Pharmaceuticals containing chelators with strong zn ions-holding feature for the treatment of symptoms and diseases caused by microorganisms/diseases caused by toxins or neurotoxins/cancer/several syndromes1 Oct 2026US 2026/0294964 A1
- Pharmaceutical compositions comprising bupropion and cysteine1 Oct 2026US 2026/0295051 A1Antecip Bioventures II LLC
Most cited
By later US patents
- Cholesteryl modified oligonucleotides341US 4,958,013 ANorthwestern University · 1990
- Steroid modified oligonucleotides301US 5,416,203 ANorthwestern University · 1995
- Liponucleotide-containing liposomes280US 5,223,263 AVical Incorporated · 1993
- Diagnostic/therapeutic agents having microbubbles coupled to one or more vectors228US 6,261,537 B1Nycomed Imaging AS · 2001
- Amphiphilic polysaccharide derivatives221US 6,245,753 B1Mediplex Corporation, Korea · 2001