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:
Mar. 11, 2025
Filed:
Mar. 18, 2020
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Christoph Roland Hoelzl, Kornwestheim, DE;
Martina Bubrin, Stuttgart, DE;
Milan Pilaski, Mannheim, DE;
Tim Bergmann, Hemer, DE;
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01T 21/02 (2006.01); C23G 1/08 (2006.01); C23G 1/19 (2006.01); C25D 5/36 (2006.01); C25D 7/00 (2006.01); C25D 7/04 (2006.01); C25D 17/08 (2006.01); C25D 17/10 (2006.01); C25F 1/06 (2006.01);
U.S. Cl.
CPC ...
H01T 21/02 (2013.01); C23G 1/08 (2013.01); C23G 1/19 (2013.01); C25D 5/36 (2013.01); C25D 7/003 (2013.01); C25D 7/04 (2013.01); C25D 17/08 (2013.01); C25D 17/10 (2013.01); C25F 1/06 (2013.01);
Abstract
A pretreatment method for pretreating components, which are each formed of at least two different materials, prior to a coating process. The pretreatment method includes the steps: alkaline degreasing; chemical pickling in a first pickling medium; anodic pickling in a second pickling medium; and cathodic degreasing.