A61K 47/52
The modifying agent being an inorganic compound
Official title: the modifying agent being an inorganic compound, e.g. an inorganic ion that is complexed with the active ingredient
A61K47/52 (The modifying agent being an inorganic compound) appears on 213 US grants and 341 published applications in this corpus.
Search patents in A61K- Granted patents
- 213
- Published applications
- 341
- Assignees
- 210
- Inventors
- 663
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 3 |
| 2003 | 1 | 7 |
| 2004 | 2 | 6 |
| 2005 | 3 | 3 |
| 2006 | 2 | 7 |
| 2007 | 1 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 1 | 5 |
| 2011 | 3 | 5 |
| 2012 | 1 | 23 |
| 2013 | 3 | 6 |
| 2014 | 6 | 17 |
| 2015 | 10 | 23 |
| 2016 | 16 | 20 |
| 2017 | 13 | 22 |
| 2018 | 14 | 23 |
| 2019 | 19 | 17 |
| 2020 | 11 | 20 |
| 2021 | 9 | 23 |
| 2022 | 14 | 21 |
| 2023 | 16 | 34 |
| 2024 | 14 | 21 |
| 2025 | 7 | 10 |
| 2026 | 9 | 12 |
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
- Process for preparing polynucleotides222US 5,153,319 AUniversity Patents, Inc. · 1992
- Pharmaceutical vehicles for exhancing penetration and retention in the skin149US 4,895,727 AChemex Pharmaceuticals, Inc. · 1990
- Localized use of nitric oxide-adducts to prevent internal tissue damage146US 6,087,479 ANitroMed, Inc. · 2000
- Abuse resistant opioid drug-ion exchange resin complexes having hybrid coatings129US 8,202,542 B1Tris Pharma, Inc. · 2012
- Tolerogenic synthetic nanocarriers for inducing regulatory B cells129US 8,652,487 B2Selecta Biosciences, Inc. · 2014