A61K 31/20
Having a carboxyl group bound to a chain of seven or more
Official title: having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids
A61K31/20 (Having a carboxyl group bound to a chain of seven or more) appears on 3,762 US grants and 6,587 published applications in this corpus.
Search patents in A61K- Granted patents
- 3,762
- Published applications
- 6,587
- Assignees
- 2,342
- Inventors
- 8,827
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 11 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 11 | 0 |
| 1988 | 5 | 0 |
| 1989 | 24 | 0 |
| 1990 | 20 | 0 |
| 1991 | 20 | 0 |
| 1992 | 18 | 0 |
| 1993 | 23 | 0 |
| 1994 | 15 | 0 |
| 1995 | 28 | 0 |
| 1996 | 49 | 0 |
| 1997 | 89 | 0 |
| 1998 | 63 | 0 |
| 1999 | 64 | 0 |
| 2000 | 54 | 0 |
| 2001 | 51 | 17 |
| 2002 | 62 | 125 |
| 2003 | 75 | 153 |
| 2004 | 33 | 164 |
| 2005 | 37 | 173 |
| 2006 | 53 | 205 |
| 2007 | 40 | 193 |
| 2008 | 35 | 174 |
| 2009 | 39 | 228 |
| 2010 | 71 | 246 |
| 2011 | 110 | 247 |
| 2012 | 105 | 246 |
| 2013 | 148 | 293 |
| 2014 | 165 | 384 |
| 2015 | 194 | 355 |
| 2016 | 192 | 388 |
| 2017 | 237 | 344 |
| 2018 | 225 | 337 |
| 2019 | 191 | 339 |
| 2020 | 220 | 342 |
| 2021 | 213 | 341 |
| 2022 | 176 | 326 |
| 2023 | 146 | 277 |
| 2024 | 151 | 279 |
| 2025 | 144 | 226 |
| 2026 | 104 | 185 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for identifying pre-disposition to cognitive decline and agents for reducing or preventing cognitive decline, or improving cognitive ability29 Sep 2026US 12,746,255 B2Societe des Produits Nestle S. A.
- Compositions comprising HDAC inhibitors and retinoids22 Sep 2026US 12,740,953 B2The Regents of the University of California
- Nutritional formulas comprising medium chain fatty acids or esters thereof and methods related thereto15 Sep 2026US 12,734,145 B2Children's Healthcare of Atlanta, Inc.
- Piperidine urea derivatives for cancer therapy15 Sep 2026US 12,734,164 B2NeuroPn Therapeutics, Inc.
- Core four dietary supplement system15 Sep 2026US 12,734,221 B2
- Hierarchical fatty acid architecture and mammalian lipid metabolic system for nutritional compositions and methods of use8 Oct 2026US 2026/0306433 A1Goldie Formula Inc.
- Very long chain fatty acids for use in mineralization8 Oct 2026US 2026/0306434 A1Epax Norway AS
- Methods for Inhibiting the Progression of Neurogenerative Diseases8 Oct 2026US 2026/0306435 A1BioJiva LLC
- Tretinoin liposome formulations and uses thereof to treat cancer8 Oct 2026US 2026/0306436 A1Highfield Biopharmaceuticals Corporation
- Composition, methods and uses8 Oct 2026US 2026/0306509 A14E Therapeutics, Inc.
Most cited
By later US patents
- Anti-angiogenic compositions and methods of use968US 5,716,981 AAngiogenesis Technologies, Inc. · 1998
- Anti-angiogenic compositions and methods of use413US 5,886,026 AAngiotech Pharmaceuticals, Inc. · 1999
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Process for the heterotrophic production of microbial products with high concentrations of omega-3 highly unsaturated fatty acids354US 5,130,242 APhycotech, Inc. · 1992
- Emulsion compositions for polyfunctional active ingredients342US 6,720,001 B2Lipocine Inc. · 2004