PIGMENT A EFFET ET SON UTILISATION EN COSMETIQUE AINSI QUE DANS LES SECTEURS ALIMENTAIRE ET PHARMACEUTIQUE

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专利权人:

Merck Patent GmbH

发明人:

PFAFF, Gerhard,DIETZ, Johann,FOERDERER, Cornelia,PETSITIS, Xenia,WARTHE, Doreen,HOCHSTEIN, Veronika

申请号：

EP06828950.3

公开号：

EP1948737B1

申请日:

2006.11.07

申请国别(地区):

EP

年份:

2019

代理人:

摘要：

The present invention relates to intensely coloured and light-stable effect pigments based on transparent, undoped SiO2 flakes, which are distinguished by the fact that they are covered with an iron-oxide layer having a thickness of 30-150 nm, and all SiO2 flakes have an identical thickness, and the thickness of the SiO2 flakes is 250-400 nm, and to the use thereof in pigment mixtures, in cosmetic formulations and for colouring foods and pharmaceutical products.

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