A61K 9/286
Polysaccharides
Official title: {Polysaccharides, e.g. gums; Cyclodextrin}
A61K9/286 (Polysaccharides) appears on 1,715 US grants and 3,099 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,715
- Published applications
- 3,099
- Assignees
- 1,011
- Inventors
- 4,806
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 20 | 0 |
| 1998 | 26 | 0 |
| 1999 | 18 | 0 |
| 2000 | 38 | 0 |
| 2001 | 39 | 15 |
| 2002 | 31 | 51 |
| 2003 | 40 | 88 |
| 2004 | 32 | 120 |
| 2005 | 23 | 130 |
| 2006 | 24 | 96 |
| 2007 | 22 | 129 |
| 2008 | 16 | 133 |
| 2009 | 20 | 129 |
| 2010 | 54 | 144 |
| 2011 | 46 | 141 |
| 2012 | 57 | 111 |
| 2013 | 80 | 161 |
| 2014 | 99 | 159 |
| 2015 | 91 | 183 |
| 2016 | 93 | 158 |
| 2017 | 114 | 170 |
| 2018 | 86 | 124 |
| 2019 | 76 | 125 |
| 2020 | 83 | 119 |
| 2021 | 77 | 118 |
| 2022 | 74 | 123 |
| 2023 | 56 | 108 |
| 2024 | 51 | 98 |
| 2025 | 49 | 97 |
| 2026 | 32 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Delayed release compositions22 Sep 2026US 12,740,951 B2Amneal Complex Products Research LLC
- Losartan-containing micro tablet for pediatric applications15 Sep 2026US 12,734,131 B2Midas Pharma GmbH
- Extended release amphetamine tablets15 Sep 2026US 12,734,132 B2Tris Pharma, Inc.
- High opacity coatings and substrates coated therewith15 Sep 2026US 12,734,133 B2BPSI Holdings, Inc.
- Solid dispersion forms of rifaximin25 Aug 2026US 12,714,699 B2Salix Pharmaceuticals, Inc.
- Colonic purgative tablet and colonic purgative comprising same8 Oct 2026US 2026/0306413 A1Pharmbio Korea Co., Ltd.
- Method and pharmaceutical composition for treating a sleep disorder8 Oct 2026US 2026/0306442 A1Overseas Pharmaceuticals, Ltd.
- Natural aqueous film-forming composition based on a pair of starches1 Oct 2026US 2026/0294815 A1Swiss Applied Coating Research GmbH
- Methods of treating erythropoietic protoporphyria or x-linked protoporphyria with bitopertin1 Oct 2026US 2026/0294899 A1Disc Medicine, Inc.
- Tablet comprising 6-((5-methyl-3-(6-methylpyridin-3-yl)isoxazol-4-yl)methoxy)- n-(tetrahydrapyran-4-yl)pyridazine-3-carboxamide1 Oct 2026US 2026/0294904 A1Hoffmann-La Roche Inc.
Most cited
By later US patents
- Swelling modulated polymeric drug delivery device706US 5,120,548 AMerck & Co., Inc. · 1992
- Controlled-release formulations coated with aqueous dispersions of ethylcellulose445US 5,472,712 AEuroceltique, S.A. · 1995
- Stabilized controlled release substrate having a coating derived from an aqueous dispersion of hydrophobic polymer438US 5,273,760 AEuroceltigue, S.A. · 1993
- Orally administrable opioid formulations having extended duration of effect437US 5,968,551 APurdue Pharma L. P. · 1999
- Tamper-resistant oral opioid agonist formulations343US 6,696,088 B2Euro-Celtique S. A. · 2004