Antioxidative dermocosmetic compositions comprising very low dosages of melatonin/analogs
US5985293A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1997 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Jul 25, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Topically applicable dermocosmetic compositions for improving or maintaining the appearance of human skin or the scalp, comprise a minor antioxidant effective amount of melatonin or analog thereof, formulated into a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor, such minor antioxidant effective amount being less than 10.sup.-4 % by weight relative to the total weight thereof, e.g., no greater than 0.5.times.10.sup.-4 % or ranging from 10.sup.-12 % to 10.sup.-15 % by weight thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.