A61K 2800/412
Microsized, i.e. having sizes between 0.1 and 100 microns
A61K2800/412 (Microsized, i.e. having sizes between 0.1 and 100 microns) appears on 2,373 US grants and 3,400 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,373
- Published applications
- 3,400
- Assignees
- 1,134
- Inventors
- 7,027
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 9 | 0 |
| 1978 | 15 | 0 |
| 1979 | 13 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 11 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 32 | 0 |
| 1990 | 31 | 0 |
| 1991 | 36 | 0 |
| 1992 | 33 | 0 |
| 1993 | 39 | 0 |
| 1994 | 43 | 0 |
| 1995 | 34 | 0 |
| 1996 | 42 | 0 |
| 1997 | 52 | 0 |
| 1998 | 65 | 0 |
| 1999 | 62 | 0 |
| 2000 | 57 | 0 |
| 2001 | 52 | 11 |
| 2002 | 61 | 52 |
| 2003 | 38 | 103 |
| 2004 | 34 | 102 |
| 2005 | 24 | 92 |
| 2006 | 30 | 105 |
| 2007 | 36 | 112 |
| 2008 | 23 | 123 |
| 2009 | 19 | 110 |
| 2010 | 39 | 111 |
| 2011 | 46 | 126 |
| 2012 | 52 | 124 |
| 2013 | 57 | 109 |
| 2014 | 74 | 156 |
| 2015 | 100 | 187 |
| 2016 | 91 | 178 |
| 2017 | 108 | 171 |
| 2018 | 121 | 170 |
| 2019 | 109 | 180 |
| 2020 | 109 | 157 |
| 2021 | 105 | 185 |
| 2022 | 101 | 189 |
| 2023 | 83 | 176 |
| 2024 | 72 | 138 |
| 2025 | 83 | 143 |
| 2026 | 47 | 90 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cosmetic and dermatological compositions6 Oct 2026US 12,751,904 B2Northeastern University
- Oral and intestinal health products6 Oct 2026US 12,751,985 B2
- Surface-modified zinc oxide particles, liquid dispersion, and cosmetic22 Sep 2026US 12,740,926 B2Sumitomo Osaka Cement Co., Ltd.
- Phosphonates and N-halamines compositions for tartar removal1 Sep 2026US 12,721,800 B2Bar-Ilan University
- Oolitic aragonite beads and methods therefor25 Aug 2026US 12,714,654 B2Calcean Minerals and Materials, LLC
- Artificial nail composition and artificial nail1 Oct 2026US 2026/0294764 A1Shofu Inc.
- Filler composition for chondrocyte differentiation ability and collagen activity, and preparation method therefor1 Oct 2026US 2026/0294779 A1Ultra V Co., Ltd.
- Hair care composition1 Oct 2026US 2026/0294785 A1Conopco, Inc., d/b/a UNILEVER
- Resin particles and cosmetic24 Sep 2026US 2026/0283928 A1FUJIFILM Business Innovation Corp.
- Biodegradable microbeads with enhanced particle size distributions17 Sep 2026US 2026/0272810 A1Eastman Chemical Company
Most cited
By later US patents
- Foam substrate and micropackaged active ingredient particle composite dispensing materials1,078US 4,828,542 ATwin Rivers Engineering · 1989
- Processes for preparation of microspheres311US 4,166,800 ASandoz Ltd. · 1979
- Hair care compositions219US 4,379,753 AThe Procter & Gamble Company · 1983
- Pyridinethione salts and hair care compositions214US 4,345,080 AThe Procter & Gamble Company · 1982
- High alcohol content aerosol antimicrobial mousse199US 5,167,950 AS. C. Johnson & Son, Inc. · 1992