A61K 9/1652
Polysaccharides
Official title: {Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin (homeopathic globules A61K9/1623)}
A61K9/1652 (Polysaccharides) appears on 2,803 US grants and 4,958 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,803
- Published applications
- 4,958
- Assignees
- 2,063
- Inventors
- 9,277
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 17 | 0 |
| 1989 | 23 | 0 |
| 1990 | 25 | 0 |
| 1991 | 19 | 0 |
| 1992 | 16 | 0 |
| 1993 | 13 | 0 |
| 1994 | 17 | 0 |
| 1995 | 28 | 0 |
| 1996 | 28 | 0 |
| 1997 | 41 | 0 |
| 1998 | 42 | 0 |
| 1999 | 39 | 0 |
| 2000 | 33 | 0 |
| 2001 | 51 | 28 |
| 2002 | 48 | 101 |
| 2003 | 85 | 150 |
| 2004 | 46 | 168 |
| 2005 | 34 | 155 |
| 2006 | 51 | 140 |
| 2007 | 32 | 179 |
| 2008 | 26 | 179 |
| 2009 | 33 | 172 |
| 2010 | 66 | 194 |
| 2011 | 62 | 180 |
| 2012 | 94 | 194 |
| 2013 | 135 | 179 |
| 2014 | 147 | 234 |
| 2015 | 126 | 230 |
| 2016 | 130 | 230 |
| 2017 | 157 | 246 |
| 2018 | 139 | 187 |
| 2019 | 118 | 210 |
| 2020 | 130 | 244 |
| 2021 | 134 | 259 |
| 2022 | 119 | 248 |
| 2023 | 116 | 249 |
| 2024 | 131 | 221 |
| 2025 | 129 | 202 |
| 2026 | 85 | 179 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carotenoid preparations, preparation methods, and application thereof6 Oct 2026US 12,751,924 B2Innobio Corporation Limited
- Formulation for oral administration, comprising triazine derivative6 Oct 2026US 12,751,955 B2Shionogi & Co., Ltd.
- Curcuminoid compositions15 Sep 2026US 12,734,135 B2Givaudan France Naturals SAS
- Preparation for ethinylestradiol-cyclodextrin complex and use thereof15 Sep 2026US 12,734,178 B2National Research Institute for Family Planning
- Compositions and methods for oral delivery of crystalline Triapine1 Sep 2026US 12,723,026 B2Nanopharmaceutics, Inc.
- Hyaluronic acid hydrogels with agent to enhance resorption8 Oct 2026US 2026/0306398 A1Boston Scientific Scimed, Inc.
- Drug-containing particle8 Oct 2026US 2026/0306409 A1Towa Pharmaceutical Co., Ltd.
- Moisture-proof acetyl l-carnitine8 Oct 2026US 2026/0306437 A1Nanjing Nutrabuilding Bio-Tech Co., Ltd.
- Formulation of a probiotic stable at baking temperatures and encapsulation of the same to ensure its life on shelf foods until its viability in consumption8 Oct 2026US 2026/0306559 A1Grupo Bimbo S.A. B. DE C.V.
- Cannabidiol formulations1 Oct 2026US 2026/0294812 A1Dsm IP Assets B.V.
Most cited
By later US patents
- Particle immobilized coatings and uses thereof1,386US 8,679,454 B2SurModics, Inc. · 2014
- Particle-containing complex porous materials721US 8,268,344 B2The Regents of the University of Michigan · 2012
- Encapsulation of biological material667US 4,352,883 ADamon Corporation · 1982
- Controlled release powder and process for its preparation660US 5,354,556 AElan Corporation, plc · 1994
- Extruded orally administrable opioid formulations380US 5,958,452 AEuro-Celtique S. A. · 1999