A61K 31/122
Having the oxygen directly attached to a ring
Official title: having the oxygen directly attached to a ring, e.g. quinones, vitamin K1, anthralin
A61K31/122 (Having the oxygen directly attached to a ring) appears on 1,835 US grants and 3,739 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,835
- Published applications
- 3,739
- Assignees
- 1,677
- Inventors
- 6,135
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 20 | 0 |
| 2000 | 17 | 0 |
| 2001 | 28 | 6 |
| 2002 | 40 | 48 |
| 2003 | 29 | 57 |
| 2004 | 18 | 71 |
| 2005 | 21 | 70 |
| 2006 | 22 | 74 |
| 2007 | 13 | 79 |
| 2008 | 15 | 97 |
| 2009 | 10 | 103 |
| 2010 | 40 | 129 |
| 2011 | 32 | 120 |
| 2012 | 42 | 136 |
| 2013 | 83 | 156 |
| 2014 | 100 | 215 |
| 2015 | 99 | 222 |
| 2016 | 117 | 198 |
| 2017 | 118 | 201 |
| 2018 | 117 | 208 |
| 2019 | 103 | 198 |
| 2020 | 115 | 203 |
| 2021 | 123 | 241 |
| 2022 | 130 | 236 |
| 2023 | 79 | 206 |
| 2024 | 104 | 187 |
| 2025 | 100 | 153 |
| 2026 | 64 | 125 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Assisted loading of hydrophobic molecules into liposomes6 Oct 2026US 12,751,922 B2University of Connecticut
- Nanostructure or microstructure and method for producing same6 Oct 2026US 12,751,923 B2The University of Tokyo
- Carotenoid preparations, preparation methods, and application thereof6 Oct 2026US 12,751,924 B2Innobio Corporation Limited
- Heterologous carotenoid production in microorganisms22 Sep 2026US 12,742,193 B2KnipBio, Inc.
- Composition for anti-aging or skin regeneration comprising Isoprocurcumenol15 Sep 2026US 12,734,119 B2Posco
- Interface structure for a bioelectrode8 Oct 2026US 2026/0306000 A1Teknologian tutkimuskeskus VTT Oy
- Materials and methods for treating fungal infections8 Oct 2026US 2026/0306425 A1Virginia Tech Intellectual Properties, Inc.
- Sulfurized imidazoles in ophthalmic formulations8 Oct 2026US 2026/0306431 A1Geneiii Biotech Company Ltd.
- Tomm6-interacting extracts and compounds for use in the treatment and prophylaxis of nervous system diseases, atherosclerosis, hepatitis b infection and human papilloma virus (hpv) infection8 Oct 2026US 2026/0306473 A1
- Reduced coenzyme q10 composition and production method for the same1 Oct 2026US 2026/0294842 A1Kaneka Corporation
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
- Method for altering the lifespan of eukaryotic organisms264US 8,642,660 B2University of Rochester · 2014
- Anti-angiogenic compositions and methods of use242US 6,544,544 B2Angiotech Pharmaceuticals, Inc. · 2003
- Medical electrodes186US 8,548,557 B2Covidien LP · 2013