C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
6/7, 117/48.4
C09C 3/06 (2006.01) C09C 1/00 (2006.01)
Patent
CA 1329866
Abstract The invention relates to a weather-resistant, pearlescent pigment which comprises mica flakes coated with a metal oxide as base material, (a) hydrated zirconium oxide formed by hydrolysis of a zirconyl compound in the presense of a hypophosphite, and (b) a hydrated metal oxide ( or oxides ) formed by hydrolysis of a water-soluble compound ( or compounds ) of at least one member selected from the group consisting of cobalt, man- ganese and cerium, said components (a) and (b) being deposited on the surface of said base material.
599904
Nitta Katsuhisa
Suzuki Isao
Fetherstonhaugh & Co.
Merck Patent Gesellschaft Mit Beschrankter Haftung
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