Back to results
US 2025/0145833 A1Published application
Metal effect pigments with surface-treatments, preparing method and use of same
AssigneeMerck Patent GmbH
InventorBangyin LI
Life of this patent
Estimating the term…
Abstract
Metal effect pigments, having a surface treatment comprising A) phosphoric acid (H3PO4), B) tetraethyl orthosilicate (TEOS) and C) at least one organic coupling agent to the metal effect pigments, exhibiting excellent humidity resistance performance without any influence on the chroma, luster and color of base metal effect pigments, a process for producing same and their use.
Claims13
A metal effect pigments, having a surface treatment with A) phosphoric acid (H3PO4), B) tetraethyl orthosilicate (TEOS) and C) at least one organic coupling agent.
Dependencies are inferred from the claim text.