High chroma effect

August 11, 2005

High chroma effect
materials From Engelhard
Patent No. U.S. 6,794,037 B2
Engelhard Corporation has received a patent for a color effect material comprising a platelet-shaped substrate sequentially encapsulated with a first highly reflective layer of silver, a second spacer layer which does not provide a hue angle change of more than 100° relative to the incident angle of light and an iron oxide layer.

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