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:
Feb. 21, 1989
Filed:
May. 12, 1987
Applicant:
Inventors:
Assignee:
Swiss Aluminum Ltd., Chippis, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ; C22C / ;
U.S. Cl.
CPC ...
204 29 ; 204 58 ; 420550 ; 428469 ; 4284722 ;
Abstract
An anodized aluminum product prepared by anodizing an alloy comprising 1.20-1.60% iron and 0.25-0.55% manganese with a weight ratio of iron to manganese between 2.8 and 5, up to 0.20% silicon, up to 0.30% copper, up to 5% magnesium, up to 0.10% chromium, up to 2% zinc, up to 0.25% zirconium, up to 0.10% titanium, remainder aluminum and in total up to 0.50% of other by anodic oxidation in an electrolyte at a temperature of less than 560.degree. C. for no more than 4 hours so as to produce an oxide thickness of 5 to 30 .mu.m.