The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 1990
Filed:
Mar. 09, 1989
Applicant:
Inventors:
Edith L Schmeling, Bruhl-Badorf, DE;
Benno Roschenbleck, Osnabruck, DE;
Michael H Weidemann, Kerpen-Horrem, DE;
Assignee:
Electro Chemical Engineering GmbH, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 584 ;
Abstract
A method of preparing the surfaces of magnesium and magnesium alloys by anodic oxidation. To produce protective coatings that have little or no inherent color, that can easily be colored, that provide a satisfactory adhesive base for lacquering or subsequent processing, and that exhibit outstanding resistance to corrosion and wear on magnesium and magnesium alloys by anodic oxidation, an alkali-rich aqueous electrolyte bath containing
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Schmeling, Edith. (1990). Method of preparing the surfaces of magnesium and magnesium alloys (U.S. Patent No. 4976830). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4976830
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