Merck Patent Gmbh

Merck Patent Gesellschaft

Emd Chemicals, Inc.

Mark Tellefsen

Qinyun Peng

Padma Kaviratna

Qingmin Cheng

Matthew Eddens

Shane F Dreher

Tammy E Link

Disclosed are pigment powders containing only coated BiOCl flakes, which flakes area) BiOCl flakes having a coating containing yellow iron oxide FeO*xHO, optionally a colorant, optionally an adjuvant, and optionally SiO, b) BiOCl flakes having a coating containing SiO, optionally a colorant, and optionally an adjuvant, c) BiOCl flakes having a coating containing a colorant, SiO, optionally yellow iron oxide FeO*xHO, and optionally an adjuvant, or d) BiOCl flakes having a coating containing FeOand optionally SiO, to a process for the preparation of the pigment powders, and to the use thereof especially in cosmetic formulations.

Pigment powders

Disclosed are pigment mixtures containing at least two components, where component A contains bismuth oxychloride (BiOCl) or boron nitride (BN) and component B contains synthetic flakes treated with at least one metal soap or mineral flakes treated with at least one metal soap and to the use thereof especially in cosmetic formulations.

Pigment mixtures

The present invention relates to a laser marking additive, a precursor and method of laser-marking. The method can include exposing a substrate including a high luster bismuth oxychloride to a laser creating a laser-mark, with the proviso that the substrate is not an unsaturated polyester cross-linked with a styrene monomer.

Laser-marking additive

Growing community of inventors

Savannah, GA, United States of America

Mark Tellefsen