A61K 9/2806
Coating materials
Official title: {Coating materials}
A61K9/2806 (Coating materials) appears on 2,806 US grants and 5,101 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,806
- Published applications
- 5,101
- Assignees
- 1,622
- Inventors
- 7,515
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 16 | 0 |
| 1985 | 14 | 0 |
| 1986 | 8 | 0 |
| 1987 | 17 | 0 |
| 1988 | 12 | 0 |
| 1989 | 19 | 0 |
| 1990 | 17 | 0 |
| 1991 | 16 | 0 |
| 1992 | 16 | 0 |
| 1993 | 15 | 0 |
| 1994 | 19 | 0 |
| 1995 | 27 | 0 |
| 1996 | 31 | 0 |
| 1997 | 35 | 0 |
| 1998 | 36 | 0 |
| 1999 | 27 | 0 |
| 2000 | 47 | 0 |
| 2001 | 47 | 20 |
| 2002 | 49 | 68 |
| 2003 | 59 | 137 |
| 2004 | 48 | 178 |
| 2005 | 34 | 206 |
| 2006 | 38 | 164 |
| 2007 | 32 | 186 |
| 2008 | 30 | 182 |
| 2009 | 35 | 192 |
| 2010 | 70 | 228 |
| 2011 | 73 | 238 |
| 2012 | 92 | 197 |
| 2013 | 136 | 242 |
| 2014 | 166 | 271 |
| 2015 | 141 | 275 |
| 2016 | 152 | 268 |
| 2017 | 171 | 267 |
| 2018 | 126 | 209 |
| 2019 | 118 | 220 |
| 2020 | 146 | 225 |
| 2021 | 136 | 228 |
| 2022 | 120 | 211 |
| 2023 | 100 | 193 |
| 2024 | 109 | 194 |
| 2025 | 93 | 177 |
| 2026 | 62 | 125 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dosage forms for TYK2 inhibitors6 Oct 2026US 12,751,948 B2Bristol-Myers Squibb Company
- Anticancer compositions29 Sep 2026US 12,746,230 B2Aragon Pharmaceuticals, Inc.
- Delayed release compositions22 Sep 2026US 12,740,951 B2Amneal Complex Products Research LLC
- Soluble pharmaceutical compositions comprising salts of disubstituted 1, 2, 4-triazine compound22 Sep 2026US 12,740,987 B2Mineralys Therapeutics, Inc.
- Losartan-containing micro tablet for pediatric applications15 Sep 2026US 12,734,131 B2Midas Pharma GmbH
- 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
- Controlled release formulations coated with aqueous dispersions of acrylic polymers1,011US 5,639,476 AEuro-Celtique S. A. · 1997
- Swelling modulated polymeric drug delivery device706US 5,120,548 AMerck & Co., Inc. · 1992
- Sustained release drug delivery devices481US 5,378,475 AUniversity of Kentucky Research Foundation · 1995
- 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