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:
Sep. 13, 1983
Filed:
Apr. 29, 1982
Applicant:
Inventors:
Rainer Osberghaus, Dusseldorf, DE;
Hans Ellwanger, Leichlingen, DE;
Horst Marsen, Kerpen, DE;
Harald Bossek, Dusseldorf, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C23G / ; C25D / ;
U.S. Cl.
CPC ...
134-3 ; 134 28 ; 134 41 ; 252 794 ; 252101 ; 252136 ;
Abstract
This invention relates to an improved process for cleaning an anodized surface of aluminum or an alloy thereof where a cleaning agent is applied to the anodized surface and then the cleaning agent is removed after a sufficient period of contact,