A61K 31/194
Having two or more carboxyl groups
Official title: having two or more carboxyl groups, e.g. succinic, maleic or phthalic acid
A61K31/194 (Having two or more carboxyl groups) appears on 1,282 US grants and 2,273 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,282
- Published applications
- 2,273
- Assignees
- 1,032
- Inventors
- 3,474
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 24 | 0 |
| 1997 | 47 | 0 |
| 1998 | 11 | 0 |
| 1999 | 22 | 0 |
| 2000 | 17 | 0 |
| 2001 | 14 | 8 |
| 2002 | 19 | 24 |
| 2003 | 12 | 24 |
| 2004 | 5 | 34 |
| 2005 | 4 | 45 |
| 2006 | 13 | 41 |
| 2007 | 14 | 29 |
| 2008 | 11 | 32 |
| 2009 | 14 | 39 |
| 2010 | 20 | 60 |
| 2011 | 23 | 80 |
| 2012 | 23 | 72 |
| 2013 | 49 | 96 |
| 2014 | 46 | 126 |
| 2015 | 73 | 158 |
| 2016 | 80 | 163 |
| 2017 | 102 | 152 |
| 2018 | 88 | 124 |
| 2019 | 80 | 127 |
| 2020 | 74 | 147 |
| 2021 | 97 | 156 |
| 2022 | 68 | 124 |
| 2023 | 58 | 124 |
| 2024 | 67 | 111 |
| 2025 | 62 | 102 |
| 2026 | 33 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Topical composition for treatment of pain and symptoms associated with rhinosinusitis, method of making, and method of use29 Sep 2026US 12,746,256 B2Three Fifths, LLC
- Treatment or prevention of ischaemic stroke reperfusion injury22 Sep 2026US 12,740,955 B2Cambridge Enterprise Limited
- Disinfectant composition with rapid antiviral efficacy8 Sep 2026US 12,728,177 B2Kimberly-Clark Worldwide, Inc.
- Method for administering an antimicrobial treatment to an animal in a meat processing operation1 Sep 2026US 12,721,865 B2Cargill, Incorporated
- Calixarene compounds and uses thereof25 Aug 2026US 12,714,682 B2Universität Wien
- Prolyl hydroxylase domain-containing protein (phd) inhibitors, combinations and uses thereof8 Oct 2026US 2026/0306471 A1Insilico Medicine IP Limited
- Methods for treating gastrointestinal inflammatory diseases using alpha-ketoglutarate (akg) modulators1 Oct 2026US 2026/0294856 A1
- Small molecules for increasing precise genome editing efficiency1 Oct 2026US 2026/0297625 A1Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Injectable Drug Composition For Treating Atherosclerosis and Method For Using Same24 Sep 2026US 2026/0284062 A1Konstantin Pavlovich GARYAEV
- Synergistic composition for modulating expression of cd3810 Sep 2026US 2026/0263406 A1
Most cited
By later US patents
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Controlled release hydrocodone formulations336US 6,733,783 B2Euro-Celtique S. A. · 2004
- Use of a porous calcium carbonate based material as support of a growth factor in the preparation of a bioabsorbable implant121US 5,711,957 AInoteb · 1998
- Controlled release hydrocodone formulations121US 7,514,100 B2Purdue Pharma L. P. · 2009
- Amphoteric compostion and polymeric forms of alpha hydroxyacids, and their therapeutic use105US 5,886,042 ATristrata Technology, Inc. · 1999