A61K 8/0283
Matrix particles
Official title: {Matrix particles}
A61K8/0283 (Matrix particles) appears on 139 US grants and 246 published applications in this corpus.
Search patents in A61K- Granted patents
- 139
- Published applications
- 246
- Assignees
- 116
- Inventors
- 576
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 4 |
| 2003 | 4 | 6 |
| 2004 | 1 | 11 |
| 2005 | 1 | 6 |
| 2006 | 4 | 2 |
| 2007 | 3 | 7 |
| 2008 | 1 | 7 |
| 2009 | 0 | 12 |
| 2010 | 3 | 5 |
| 2011 | 3 | 6 |
| 2012 | 3 | 8 |
| 2013 | 4 | 14 |
| 2014 | 10 | 24 |
| 2015 | 7 | 14 |
| 2016 | 18 | 16 |
| 2017 | 13 | 19 |
| 2018 | 7 | 2 |
| 2019 | 6 | 13 |
| 2020 | 5 | 12 |
| 2021 | 5 | 9 |
| 2022 | 5 | 11 |
| 2023 | 7 | 8 |
| 2024 | 3 | 10 |
| 2025 | 3 | 11 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cosmetic and dermatological compositions6 Oct 2026US 12,751,904 B2Northeastern University
- Cosmetic and dermatological compositions6 Jan 2026US 12,514,797 B2Northeastern University
- Compound comprising a functional agent, and related manufacturing method29 Jul 2025US 12,370,131 B2Miyoshi Europe
- Photonic structure for dynamic expression of colors and effects27 May 2025US 12,311,040 B2L'oreal
- Shaving aid comprising a benefit agent14 Jan 2025US 12,194,126 B2The Gillette Company
- Soap composite particles, method for producing same, and cosmetic16 Jul 2026US 2026/0199194 A1Tomoegawa Co., Ltd.
- Porous cellulose particles4 Jun 2026US 2026/0151308 A1Kao Corporation
- Cosmetic and Dermatological Compositions30 Apr 2026US 2026/0115110 A1Northeastern University
- Xanthommatin as Color Additive for Food, Beverage and Drug Compositions2 Apr 2026US 2026/0090963 A1Northeastern University
- Graphene oxide-based composition for preventing or alleviating hair loss26 Feb 2026US 2026/0053720 A1Korea Advanced Institute of Science and Technology
Most cited
By later US patents
- Multi component controlled delivery system for soap bars160US 6,825,161 B2Salvona LLC · 2004
- Multicomponent biodegradable bioadhesive controlled release system for oral care products159US 6,589,562 B1Salvona LLC · 2003
- Controlled delivery system for hair care products74US 6,491,902 B2Salvona LLC · 2002
- Multi component controlled delivery system for soap bars69US 7,208,460 B2Salvona IP LLC · 2007
- Dentifrice containing functional film flakes68US 6,669,929 B1Colgate-Palmolive Company · 2003