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:
Jan. 13, 1987
Filed:
Nov. 26, 1985
Applicant:
Inventors:
Lutz Schellenberg, Cologne, DE;
Matthias Hamacher, Huerth-Gleuel, DE;
Ronald Broadbent, Ardsley, PA (US);
Assignee:
Gerhard Collardin GmbH, Cologne, DE;
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; B05D / ;
U.S. Cl.
CPC ...
148-62 ; 427435 ; 427409 ; 4274191 ;
Abstract
A process for increasing the anticorrosive properties of an autodeposited coating wherein after the bath but before the curing, metallic chromate salts are formed in situ by first rinsing with metallic non-chromate water soluble salts and then rinsing with a chromium compound.