Patent · US Active

Application of dehydroascorbic acid or derivatives/isomers thereof for artificially coloring the skin

US9643032B2 · kind B2 · utility

0Cited by

4References

9Claims

0Family size

Assignee

L'Oreal · FR

Inventors

Francis Pruche · Senlis, FR
Patrick Choisy · Le Clos Luneau, FR

Key dates

Filing date	Jul 9, 2008
Grant date	May 9, 2017
Priority date	—
Expiry date	Jan 14, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/88
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Dehydroascorbic acid and polymeric/monomeric derivatives and isomers thereof are useful for artificially coloring the skin and more particularly as a skin self-tanning agent; the dehydroascorbic acid may be formed “in situ” from ascorbic acid or a derivative or salt thereof via chemical oxidation and/or via enzymatic oxidation, and a two-component agent thereof includes

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.