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:
Nov. 25, 1980
Filed:
Aug. 20, 1979
Applicant:
Inventors:
Fritz Schneeberger, Schaffhausen, CH;
Walter Zweifel, Schaffhausen, CH;
Hermann Weber, Neuhausen, CH;
Assignee:
Swiss Aluminium Ltd., Chippis, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 / ; 148-627 ;
Abstract
The solution for sealing anodic oxidized aluminum or aluminum alloys comprises basically an aqueous solution containing an addition of 0.1 to 2.5 g/l, made up of Agar-Agar and gelatine. the optimum pH value for the solution lies between 5.5 and 6.0. The sealing is carried out at a temperature between 90.degree. C. and the boiling point of the solution.