Compositions comprising a depigmenting agent consisting of sulfites and metabisulfites and plant extracts for use in inhibiting melanogenesis or for depigmenting
US5989596A · kind A · utility
15Cited by
2References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1997 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Aug 5, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to the use of sulfite, including metabisulfite, as melanogenesis-inhibiting or depigmenting agent. The invention enables preparing melanogenesis-inhibiting or depigmenting cosmetic compositions and optionally advantageously pharmaceutical compositions for treating pathologies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.