Engelhard patents

September 12, 2006

Engelhard patents
Effect pigment coating
Patent No. U.S. 7,045,007 B2 Engelhard Corp. has received a patent for an effect pigment comprising metal oxide-coated laminar platelets in which the platelets are a mixture of about five to 90% platy glass and 90-5% platy mica and in which the effect pigment exhibits visual homogeneity.
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