Merck Patent Gmbh

Philipp Buehle

Thomas Rudolph

Herwig Buchholz

René Peter Scheurich

Ralf Rosskopf

The invention relates to the use of at least one ascorbic acid derivative for the fictionalization of matrices, and to specific ascorbic acid derivatives and processes for the preparation thereof.

Use of ascorbic acid derivatives for the functionalization of matrices

The invention relates to specific benzodioxepin-3-one compounds, to a process for the preparation thereof and to the use thereof as dyes or as fluorescent emitters for organic electroluminescent devices (OLEDs) or for organic light-emitting electrochemical cells (OLECs), and to corresponding electronic devices.

Benzodioxepin-3-one compounds as dyes or as fluorescent emitters

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.

Dye-ascorbic acid derivatives

The invention relates to specific cinnamic acid ascorbates and to the use thereof as UV filters which bond to the skin, and to a process for the preparation thereof, and to preparations comprising these compounds.

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Darmstadt, Germany

Philipp Buehle