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:
Jul. 30, 1985
Filed:
Aug. 01, 1983
Applicant:
Inventors:
Hans Bohler, Rheinfelden, CH;
Ernst Weisskopf, Birsfelden, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
148-627 ; 204 376 ;
Abstract
Anodically oxidized aluminium or aluminium alloy surfaces are sealed in the presence of an anti-smut agent which is a colorless, light-fast, organic compound having a molecular weight of at least 350 and containing