Merck Patent Gesellschaft MIT Beschrankter Haftung

Merck Patent Gmbh

Merck Patent Gesellschaft

Hans-Dieter Br&uuml;ckner

Reiner Vogt

Christoph Schmidt

Gerhard Pfaff

Karl Osterried

Wolfgang Hechler

Klaus Bernhardt

Andrea Heyland

Peter Reynders

Christina Schank

Claudia Seibel

Elke Steudel

Carsten Brab&auml;nder

The invention relates to a transparent medium comprising multilayer pigments having angle-selective reflection or transmission properties and/or absorption properties, and to their use, in particular in transparent thermal insulation systems (TTIs).

Transparent medium having angle-selective transmission or reflection properties and/or absorption properties

Multilayer interference pigment consisting of a transparent carrier material coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by alternate coating of the transparent carrier material with a metal oxide of high refractive index and with a metal oxide of low refractive index in a wet process by hydrolysis of the corresponding water-soluble metal compounds, separation, drying and, if desired, calcination of the resulting pigment.

Multilayer interference pigments

A colored interference pigment having a platelet-shaped layer as substrate, a coating of at least one metal oxide layer and, optionally, a further layer, at least two layers comprising or consisting of colorants.

Colored interference pigment

Interference pigments having a blue mass tone

Growing community of inventors

Darmstadt, Germany

Hans-Dieter Brückner

Growing community of inventors

Darmstadt, Germany

Hans-Dieter Br&uuml;ckner

Hans-Dieter Brückner