A61K 9/2846
Polyacrylates
Official title: {Poly(meth)acrylates}
A61K9/2846 (Polyacrylates) appears on 947 US grants and 1,868 published applications in this corpus.
Search patents in A61K- Granted patents
- 947
- Published applications
- 1,868
- Assignees
- 659
- Inventors
- 2,527
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 7 |
| 2002 | 10 | 19 |
| 2003 | 17 | 41 |
| 2004 | 16 | 59 |
| 2005 | 11 | 67 |
| 2006 | 8 | 67 |
| 2007 | 8 | 65 |
| 2008 | 14 | 66 |
| 2009 | 16 | 74 |
| 2010 | 32 | 91 |
| 2011 | 23 | 71 |
| 2012 | 30 | 71 |
| 2013 | 58 | 108 |
| 2014 | 61 | 124 |
| 2015 | 61 | 132 |
| 2016 | 66 | 106 |
| 2017 | 66 | 90 |
| 2018 | 48 | 84 |
| 2019 | 50 | 112 |
| 2020 | 64 | 79 |
| 2021 | 63 | 66 |
| 2022 | 36 | 72 |
| 2023 | 26 | 60 |
| 2024 | 39 | 58 |
| 2025 | 22 | 51 |
| 2026 | 8 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions for modulating gut microflora populations, enhancing drug potency and treating cancer, and methods for making and using same25 Aug 2026US 12,714,730 B2Persephone Biosciences, Inc.
- Polymorphs of phenyl pyrrole aminoguandium salts23 Jun 2026US 12,661,336 B2Synact Pharma APS
- Nongranulated compressed tablets of mesalamine, and process of preparation thereof26 May 2026US 12,636,255 B2Atoz Pharmaceuticals Pvt Ltd
- Modified release composition of orlistat and acarbose for the treatment of obesity and related metabolic disorders19 May 2026US 12,629,340 B2Empros Pharma AB
- Dosage form comprising an alkaline agent and an enteric coating layer12 May 2026US 12,622,875 B2Evonik Operations GmbH
- Enriched Withania somnifera Based Dietary Composition and a Method Thereof24 Sep 2026US 2026/0284137 A1Arjuna Natural Private Limited
- Oral drug dosage forms for colon delivery and methods of use and making thereof20 Aug 2026US 2026/0240757 A1Triastek, Inc.
- A stable tablet-in-tablet composition for nausea vomiting in pregnancy20 Aug 2026US 2026/0240779 A1Akums Drugs & Pharmaceuticals Limited
- High-strength oral taxane compositions and methods13 Aug 2026US 2026/0232809 A1Health Hope Pharma HK Limited
- Metformin hydrochloride enteric-coated preparation30 Jul 2026US 2026/0216081 A1Yayan (Tianjin) Biomedical Technology Center (Limited Partnership)
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
- Orally administrable opioid formulations having extended duration of effect437US 5,968,551 APurdue Pharma L. P. · 1999
- Stabilized controlled release formulations having acrylic polymer coating434US 5,286,493 AEuroceltique, S.A. · 1994
- Controlled release formulations coated with aqueous dispersions of acrylic polymers428US 5,580,578 AEuro-Celtique S. A. · 1996
- Sulfoalkyl ether cyclodextrin based controlled release solid pharmaceutical formulations234US 6,046,177 ACydex, Inc. · 2000