C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 3/56 (2006.01) C25D 5/12 (2006.01) C25D 5/48 (2006.01) C25D 5/50 (2006.01) C25D 7/08 (2006.01)
Patent
CA 2318391
An article which possesses a first color when viewed from a first angle (12) to its surface and a second color when viewed at a second angle (16) to its surface, is prepared by a process including electrodepositing on a substrate (2) a metallic coating (6) from an electrolyte bath which comprises ions selected from Mo (VI)- and {Ni (II)- and Zn(II)-} containing ions.
L'invention concerne un article présentant une première couleur lorsqu'on l'observe d'un premier angle (12) par rapport à sa surface et une deuxième couleur lorsqu'on l'observe d'un deuxième angle (16) par rapport à sa surface. On prépare cet article par un procédé consistant en une électrodéposition sur un substrat (2) d'un revêtement (6) métallique provenant d'un bain électrolytique comprenant des ions sélectionnés parmi des ions contenant Mo (VI)- et {Ni (II)- et Zn (II)-}.
Nickel Rainbow Ltd.
Shapiro Cohen
LandOfFree
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