Merck Patent Gmbh

Volker Wilhelm

Ulrich Schoenefeld

Sabine Melson

Ulrich Quittmann

Hans-Juergen Brehm

Hans Jurgen Brehm

The present invention relates to microspheres and to the use thereof, preferably as laser-absorbing additive, and to a process for the production thereof.

Microspheres

The present invention relates to effect pigments based on uncoated or coated flake-form substrates having an outer coating comprising a) TiOand b) AlO, MgO and/or CaO and c) SiOand d) ZnO and/or e) at least one mixed oxide of the elements mentioned under a) to d), and to the use thereof, inter alia in paints, coatings, printing inks, plastics and cosmetic formulations.

Effect pigments

The present invention relates to pigment preparations comprising one or more effect pigments in platelet form, at least one antioxidant and a wax or wax mixture, and to the use thereof for pigmentation of application media, especially paints, coating materials, powder coating materials, polymers, and for production of masterbatches.

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Lorsch, Germany

Volker Wilhelm