Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Cegedur Societe de Transformation de lAluminium Pechiney SA
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Cegedur Societe de Transformation de lAluminium Pechiney SA
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Publication date
Priority claimed from FR7133388Aexternal-prioritypatent/FR2153584A5/fr
Priority claimed from FR7132743Aexternal-prioritypatent/FR2152399B2/fr
Application filed by Cegedur Societe de Transformation de lAluminium Pechiney SAfiledCriticalCegedur Societe de Transformation de lAluminium Pechiney SA
Publication of ES404176A1publicationCriticalpatent/ES404176A1/en
Method for electrolytically coloring pre-anodized pieces, of aluminum or aluminum alloys, by electrolytic deposition of heavy metals or heavy metal compounds in the pores of the oxide layer, characterized in that a direct current is applied to the assembled workpiece cathodically in an aqueous solution of heavy metal sulphamate. (Machine-translation by Google Translate, not legally binding)
ES404176A1971-06-251972-06-23Procedure to color electrolytically preanodized pieces. (Machine-translation by Google Translate, not legally binding)
ExpiredES404176A1
(en)
Procedure for the coloration, via electrolytically, of aluminum objects that have previously suffered an anodic oxidation. (Machine-translation by Google Translate, not legally binding)
Improved procedure for electrolytic coating and coloring of aluminum pieces and their alloys. (Machine-translation by Google Translate, not legally binding)