A61K 31/216
Of acids having aromatic rings
Official title: of acids having aromatic rings, e.g. benactizyne, clofibrate
A61K31/216 (Of acids having aromatic rings) appears on 1,677 US grants and 2,899 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,677
- Published applications
- 2,899
- Assignees
- 1,284
- Inventors
- 5,004
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 21 | 0 |
| 1998 | 20 | 0 |
| 1999 | 33 | 0 |
| 2000 | 28 | 0 |
| 2001 | 29 | 12 |
| 2002 | 38 | 46 |
| 2003 | 36 | 88 |
| 2004 | 41 | 116 |
| 2005 | 22 | 63 |
| 2006 | 65 | 81 |
| 2007 | 20 | 62 |
| 2008 | 20 | 78 |
| 2009 | 29 | 77 |
| 2010 | 21 | 90 |
| 2011 | 26 | 71 |
| 2012 | 47 | 103 |
| 2013 | 67 | 138 |
| 2014 | 83 | 146 |
| 2015 | 78 | 158 |
| 2016 | 107 | 176 |
| 2017 | 107 | 154 |
| 2018 | 98 | 139 |
| 2019 | 103 | 153 |
| 2020 | 87 | 147 |
| 2021 | 89 | 164 |
| 2022 | 85 | 156 |
| 2023 | 77 | 148 |
| 2024 | 57 | 147 |
| 2025 | 77 | 110 |
| 2026 | 42 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Method of potentiating an immune response425US 5,075,109 ASouthern Research Institute · 1991
- Pharmaceutical compositions containing an omega-3 fatty acid oil306US 6,284,268 B1Cyclosporine Therapeutics Limited · 2001
- Method for delivering bioactive agents into and through the mucosally-associated lymphoid tissues and controlling their release182US 5,820,883 ASouthern Research Institute · 1998
- Compositions and methods comprising tilidine or related compounds and dextromethorphan166US 8,569,328 B1Antecip Bioventures II LLC · 2013
- Topical administration of catecholamines and related compounds to subcutaneous muscle tissue using percutaneous penetration enhancers164US 5,879,690 A1999