A61K 9/2031
Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Official title: {obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers}
A61K9/2031 (Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds) appears on 1,597 US grants and 2,446 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,597
- Published applications
- 2,446
- Assignees
- 846
- Inventors
- 3,486
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 15 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 15 | 0 |
| 1989 | 16 | 0 |
| 1990 | 16 | 0 |
| 1991 | 25 | 0 |
| 1992 | 18 | 0 |
| 1993 | 23 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 36 | 0 |
| 1998 | 17 | 0 |
| 1999 | 35 | 0 |
| 2000 | 25 | 0 |
| 2001 | 39 | 11 |
| 2002 | 29 | 31 |
| 2003 | 20 | 63 |
| 2004 | 14 | 70 |
| 2005 | 15 | 92 |
| 2006 | 23 | 57 |
| 2007 | 16 | 55 |
| 2008 | 11 | 84 |
| 2009 | 10 | 71 |
| 2010 | 22 | 69 |
| 2011 | 38 | 93 |
| 2012 | 41 | 72 |
| 2013 | 62 | 121 |
| 2014 | 98 | 168 |
| 2015 | 77 | 184 |
| 2016 | 78 | 162 |
| 2017 | 112 | 158 |
| 2018 | 83 | 113 |
| 2019 | 79 | 140 |
| 2020 | 74 | 107 |
| 2021 | 68 | 107 |
| 2022 | 60 | 101 |
| 2023 | 60 | 88 |
| 2024 | 48 | 81 |
| 2025 | 42 | 83 |
| 2026 | 29 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tableting of specific polymer stabilizers6 Oct 2026US 12,751,926 B2BASF SE
- Combination drug for the control and management of type 2 diabetes mellitus6 Oct 2026US 12,751,958 B2Laboratorios Silanes S.A. de C.V.
- Methods and compositions for interfering with extraction or conversion of a drug susceptible to abuse22 Sep 2026US 12,740,948 B2Acura Pharmaceuticals, Inc.
- Delayed release compositions22 Sep 2026US 12,740,951 B2Amneal Complex Products Research LLC
- Pharmaceutical composition comprising enzalutamide8 Sep 2026US 12,728,096 B2Synthon BV
- Colonic purgative tablet and colonic purgative comprising same8 Oct 2026US 2026/0306413 A1Pharmbio Korea Co., Ltd.
- Composition for oral use with hmg-coa reductase enzyme inhibiting activity1 Oct 2026US 2026/0294995 A1Difass International S.P.A.
- Oral product24 Sep 2026US 2026/0283944 A1Altria Client Services LLC
- Pharmaceutical composition and method for enhancing solubility of poorly soluble active pharmaceutical ingredients24 Sep 2026US 2026/0283962 A1Merck Patent GmbH
- Method for manufacturing pharmaceutical mini-tablets24 Sep 2026US 2026/0283964 A1Purdue Research Foundation
Most cited
By later US patents
- Method of moving a delivery member of a dispensing device for administration of oral transmucosal dosage forms654US 8,499,966 B2AcelRx Pharmaceuticals, Inc. · 2013
- Biodegradable, implantable drug delivery depots, and method for preparing and using the same453US 4,450,150 AArthur D. Little, Inc. · 1984
- Continuous release formulations426US 4,526,938 AImperial Chemical Industries PLC · 1985
- Hydrogels of absorbable polyoxaesters413US 5,698,213 AEthicon, Inc. · 1997
- Drug delivery devices manufactured from poly(orthoesters) and poly(orthocarbonates)397US 4,093,709 AAlza Corporation · 1978