A61K 9/1694
Resulting in granules or microspheres of the matrix type containing more than
Official title: {resulting in granules or microspheres of the matrix type containing more than 5% of excipient}
A61K9/1694 (Resulting in granules or microspheres of the matrix type containing more than) appears on 1,364 US grants and 2,096 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,364
- Published applications
- 2,096
- Assignees
- 1,073
- Inventors
- 4,376
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 23 | 0 |
| 1996 | 28 | 0 |
| 1997 | 31 | 0 |
| 1998 | 28 | 0 |
| 1999 | 41 | 0 |
| 2000 | 31 | 0 |
| 2001 | 40 | 15 |
| 2002 | 44 | 64 |
| 2003 | 47 | 89 |
| 2004 | 41 | 94 |
| 2005 | 23 | 76 |
| 2006 | 27 | 71 |
| 2007 | 22 | 75 |
| 2008 | 26 | 90 |
| 2009 | 16 | 73 |
| 2010 | 28 | 82 |
| 2011 | 29 | 94 |
| 2012 | 46 | 72 |
| 2013 | 58 | 63 |
| 2014 | 65 | 79 |
| 2015 | 59 | 88 |
| 2016 | 57 | 88 |
| 2017 | 64 | 84 |
| 2018 | 55 | 74 |
| 2019 | 47 | 71 |
| 2020 | 50 | 94 |
| 2021 | 37 | 104 |
| 2022 | 35 | 101 |
| 2023 | 51 | 103 |
| 2024 | 50 | 95 |
| 2025 | 50 | 78 |
| 2026 | 42 | 79 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Formulations of microparticles including hyaluronidase24 Sep 2026US 2026/0283958 A1SeráN Bioscience, LLC
- Solid dispersion of p2x4 inhibitor, and preparation method therefor and use thereof24 Sep 2026US 2026/0284010 A1Wuhan Createrna Science and Technology Co., Ltd.
Most cited
By later US patents
- Particle-containing complex porous materials721US 8,268,344 B2The Regents of the University of Michigan · 2012
- Controlled release powder and process for its preparation660US 5,354,556 AElan Corporation, plc · 1994
- Injectable, long-acting microparticle formulation for the delivery of anti-inflammatory agents527US 4,530,840 ASouthern Research Institute · 1985
- Preparation of medical devices by solid free-form fabrication methods505US 5,490,962 AMassachusetts Institute of Technology · 1996
- Microencapsulation process494US 4,389,330 AStolle Research & Development Corporation · 1983