A61K 8/671
Vitamin a
Official title: {Vitamin A; Derivatives thereof, e.g. ester of vitamin A acid, ester of retinol, retinol, retinal}
A61K8/671 (Vitamin a) appears on 915 US grants and 982 published applications in this corpus.
Search patents in A61K- Granted patents
- 915
- Published applications
- 982
- Assignees
- 436
- Inventors
- 2,006
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 3 | 0 |
| 1991 | 21 | 0 |
| 1992 | 15 | 0 |
| 1993 | 11 | 0 |
| 1994 | 3 | 0 |
| 1995 | 16 | 0 |
| 1996 | 48 | 0 |
| 1997 | 88 | 0 |
| 1998 | 63 | 0 |
| 1999 | 60 | 0 |
| 2000 | 36 | 0 |
| 2001 | 39 | 21 |
| 2002 | 39 | 51 |
| 2003 | 21 | 52 |
| 2004 | 18 | 51 |
| 2005 | 14 | 45 |
| 2006 | 13 | 25 |
| 2007 | 12 | 52 |
| 2008 | 4 | 34 |
| 2009 | 4 | 32 |
| 2010 | 12 | 45 |
| 2011 | 16 | 30 |
| 2012 | 20 | 27 |
| 2013 | 22 | 30 |
| 2014 | 16 | 35 |
| 2015 | 18 | 22 |
| 2016 | 22 | 31 |
| 2017 | 32 | 38 |
| 2018 | 15 | 38 |
| 2019 | 21 | 41 |
| 2020 | 32 | 36 |
| 2021 | 19 | 43 |
| 2022 | 23 | 43 |
| 2023 | 18 | 55 |
| 2024 | 26 | 37 |
| 2025 | 25 | 43 |
| 2026 | 7 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cosmetic composition having stabilized retinol28 Jul 2026US 12,691,044 B2L'oreal
- Cosmetic composition23 Jun 2026US 12,661,313 B2Mary Kay Inc.
- Topical compositions and methods for using same16 Jun 2026US 12,653,774 B2Mary Kay Inc.
- Delivery carrier into cell2 Jun 2026US 12,642,769 B2Kabusikikaisya ITO
- Process for making sanitizing lotion that can be used as a moisturizer, makeup remover and other uses26 May 2026US 12,636,237 B2DR. MPP, Inc.
- Solid Composition Comprising Natural Dyes and Makeup Process Using Same8 Oct 2026US 2026/0306367 A1L'oreal
- Compositions containing retinoic esters having extended storage stability and cosmetic compositions containing the same1 Oct 2026US 2026/0294777 A1Grant Industries, Inc.
- Topical compositions for treating or preventing scars and methods for their use3 Sep 2026US 2026/0256686 A1Alderwood Surgical Center, LLC
- Skin anti-ageing composition27 Aug 2026US 2026/0248708 A1
- Urolithin combination20 Aug 2026US 2026/0240742 A1Amazentis SA
Most cited
By later US patents
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- 9-cis retinoic acid esters and amides and uses thereof352US 5,837,728 AMolecular Design International, Inc. · 1998
- Low intensity light therapy for the manipulation of fibroblast, and fibroblast-derived mammalian cells and collagen267US 6,676,655 B2Light BioScience, LLC · 2004
- Methods for treatment of sundamaged human skin with retinoids197US 4,877,805 A1989
- Topical oil-in-water emulsions containing retinoids160US 5,976,555 AJohnson & Johnson Consumer Products, Inc. · 1999