Patents

EFFECT PIGMENTS OF

May 12, 2009

EFFECT PIGMENTS OF
UNIFORM SHAPE AND SIZE
Patent No. U.S. 7,396,401 B2
Merck Patent has received a patent for an effect pigment of uniform shape and size based on a flake-form, inorganic substrate comprised of inorganic flake-form substrates which are uniform in shape and size and have a circular or elliptical shape or a polygon Vn shape, where n=the number of corners and n>3, wherein the flake-form inorganic substrate is comprised of one or more metal oxides, and on the substrate one or more layers comprised of a metal oxide, metal oxide hydrates, metal suboxides, metal, metal fluorides, metal nitrides, metal oxynitrides or mixtures.

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