A61K 31/375
Ascorbic acid, i.e. vitamin c
Official title: Ascorbic acid, i.e. vitamin C; Salts thereof
A61K31/375 (Ascorbic acid, i.e. vitamin c) appears on 1,636 US grants and 3,147 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,636
- Published applications
- 3,147
- Assignees
- 1,410
- Inventors
- 4,763
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 21 | 0 |
| 1998 | 27 | 0 |
| 1999 | 30 | 0 |
| 2000 | 20 | 0 |
| 2001 | 26 | 17 |
| 2002 | 25 | 66 |
| 2003 | 33 | 67 |
| 2004 | 25 | 93 |
| 2005 | 28 | 75 |
| 2006 | 24 | 101 |
| 2007 | 28 | 89 |
| 2008 | 15 | 89 |
| 2009 | 13 | 61 |
| 2010 | 30 | 124 |
| 2011 | 21 | 91 |
| 2012 | 41 | 74 |
| 2013 | 67 | 117 |
| 2014 | 55 | 121 |
| 2015 | 74 | 160 |
| 2016 | 77 | 176 |
| 2017 | 96 | 143 |
| 2018 | 86 | 131 |
| 2019 | 89 | 143 |
| 2020 | 93 | 157 |
| 2021 | 100 | 204 |
| 2022 | 98 | 203 |
| 2023 | 64 | 186 |
| 2024 | 106 | 182 |
| 2025 | 90 | 147 |
| 2026 | 51 | 130 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Iron supplement compositions and methods of use thereof29 Sep 2026US 12,746,257 B2ThermoLife International, LLC
- 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.
- Method of increasing the population of Dialister spp. in the gut microbiome8 Sep 2026US 12,728,109 B2Dsm IP Assets B.V.
- Ready-to-use ascorbic acid compound compositions25 Aug 2026US 12,714,689 B2Somerset Therapeutics, LLC
- Methods of treatment of a cytokine storm25 Aug 2026US 12,714,721 B2Loma Linda University Health
- Interface structure for a bioelectrode8 Oct 2026US 2026/0306000 A1Teknologian tutkimuskeskus VTT Oy
- Nutritional compositions, supplements, and fortifiers8 Oct 2026US 2026/0306432 A1Societe des Produits Nestle S. A.
- Compositions for the effective treatment of vitamin c deficiency-related diseases and other conditions8 Oct 2026US 2026/0306447 A1
- Cosmetic composition having anti-inflammatory activity1 Oct 2026US 2026/0294853 A1LG Chem.Ltd.
- Beta-hydroxybutyrate for the dietary management of depression1 Oct 2026US 2026/0294854 A1Laureate Institute For Brain Research
Most cited
By later US patents
- Sustained release systems of ascorbic acid phosphate1,391US 8,034,363 B2Advanced Technologies and Regenerative Medicine, LLC · 2011
- Devices and methodologies useful in body aesthetics263US 7,331,951 B2Ultrashape Ltd. · 2008
- Sunscreen-wound healing compositions and methods for preparing and using same180US 5,674,912 AWarner-Lambert Company · 1997
- Hydrophilic, non-aqueous pharmaceutical carriers and compositions and uses170US 8,486,374 B2Foamix Ltd. · 2013
- Compositions for treatment of diabetic complications164US 6,069,168 AScotia Holdings PLC · 2000