System for stabilizing ascorbic acid based on a phosphonic acid derivative and on a metabisulfite
US6110476A · kind A · utility
5Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1998 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Sep 2, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/926
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A synegistic system based on a phosphonic acid derivative and on a metabisulphite, for stabilizing ascorbic acid. The invention also relates to compositions, in particular cosmetic and dermatological compositions, containing ascorbic acid and this stabilizing system, and to the use of these compositions in the cosmetics and/or dermatological fields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.