Dye-ascorbic acid derivatives

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United States of America Patent

PATENT NO 8709104
SERIAL NO

13812869

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Abstract

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The invention relates to specific dye-ascorbic acid derivatives and the use thereof as dyes for the coloring of matrices, such as, for example, skin, hair, nails or textiles, and a process for the preparation thereof, a process for the coloring of matrices, and a composition comprising these dye-ascorbic acid derivatives, and a process for the preparation of these compositions. On use of the specific dye-ascorbic acid derivatives according to the invention, a positive effect on the moisture content of the matrices arises.

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Patent Owner(s)

Patent OwnerAddress
MERCK PATENT GMBHDARMSTADT DARMSTADT HESSIAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Buehle, Philipp Zwingenberg, DE 10 22
Rudolph, Thomas Darmstadt, DE 80 509

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