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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Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
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Filing date
Publication date
Application filed by Mitsubishi Rayon Co LtdfiledCriticalMitsubishi Rayon Co Ltd
Priority to JP4759275ApriorityCriticalpatent/JPS51123243A/en
Publication of JPS51123243ApublicationCriticalpatent/JPS51123243A/en
Publication of JPS5740239B2publicationCriticalpatent/JPS5740239B2/ja
PURPOSE: Metal articles (A6, etc.) are immersecd in a polyelectrolyte soln. neutralized with an alkali and subjected to d/c electrolytic oxidation process with a definite surface area ratio of electrodes, followed by electrodeposition to form coaring layers having excellent resistance to water and chemicals.