A61K 2800/56
Compounds, absorbed onto or entrapped into a solid carrier
Official title: Compounds, absorbed onto or entrapped into a solid carrier, e.g. encapsulated perfumes, inclusion compounds, sustained release forms
A61K2800/56 (Compounds, absorbed onto or entrapped into a solid carrier) appears on 725 US grants and 1,017 published applications in this corpus.
Search patents in A61K- Granted patents
- 725
- Published applications
- 1,017
- Assignees
- 448
- Inventors
- 2,403
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 16 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 21 | 0 |
| 1999 | 20 | 0 |
| 2000 | 19 | 0 |
| 2001 | 13 | 11 |
| 2002 | 13 | 18 |
| 2003 | 12 | 51 |
| 2004 | 19 | 27 |
| 2005 | 10 | 31 |
| 2006 | 10 | 33 |
| 2007 | 11 | 30 |
| 2008 | 9 | 37 |
| 2009 | 6 | 30 |
| 2010 | 8 | 36 |
| 2011 | 17 | 33 |
| 2012 | 16 | 28 |
| 2013 | 13 | 24 |
| 2014 | 17 | 44 |
| 2015 | 23 | 65 |
| 2016 | 32 | 78 |
| 2017 | 43 | 55 |
| 2018 | 43 | 63 |
| 2019 | 44 | 62 |
| 2020 | 38 | 51 |
| 2021 | 27 | 37 |
| 2022 | 30 | 47 |
| 2023 | 30 | 43 |
| 2024 | 20 | 39 |
| 2025 | 27 | 26 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyglycerol fatty acid ester-containing composition11 Aug 2026US 12,703,142 B2Ioi Oleo GmbH
- Perfume system for perfumed consumer product2 Jun 2026US 12,644,076 B2Firmenich SA
- Microcell systems for controlled release of fragrances5 May 2026US 12,618,024 B2E Ink Corporation
- Composition comprising iris-derived exosome as active ingredient21 Apr 2026US 12,605,331 B2ExoCoBio Inc.
- Antimicrobial composition10 Mar 2026US 12,569,419 B2Firmenich SA
- Formulations of naringenin1 Oct 2026US 2026/0294770 A1Debut Biotechnology, Inc.
- Pigmented Compositions Comprising Avobenzone6 Aug 2026US 2026/0224457 A1ELC Management LLC
- Enhancement and stabilisation of proteolytic activity of proteases6 Aug 2026US 2026/0226451 A1Phoenix Eagle Company Pty. Ltd.
- Fibrous structures comprising particles and methods for making same30 Jul 2026US 2026/0215652 A1The Procter & Gamble Company
- Toothpaste30 Jul 2026US 2026/0216019 A1Olympic Sports Twelvefold Crowns Health Development (Hangzhou) Co., Ltd.
Most cited
By later US patents
- Foam substrate and micropackaged active ingredient particle composite dispensing materials1,078US 4,828,542 ATwin Rivers Engineering · 1989
- Articles containing small particle size cyclodextrin for odor control235US 5,429,628 AThe Procter & Gamble Company · 1995
- Wet wipes186US 4,904,524 AScott Paper Company · 1990
- 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