C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/86.5
C25D 5/44 (2006.01) C25F 3/04 (2006.01)
Patent
CA 1050479
PRECIS DE LA DIVULGATION: Procédé de traitement superficiel de l'aluminium et de ?es alliages donnant à la surface un aspect "en peau de lézard", selon lequel la pièce est traitée sous courant alternatif de ten- sion comprise entre 5 et 50 volts dans un bain acide de grainage mo- difié pa? l'addition d'un agent tensio-actif anionique fluoré, et les pièces d'aluminium obtenues selon ce procédé à surface d'as- pect décoratif.
204631
Allegret Francois
Lefebvre Jacques
Patrie Jos
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