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:
Jun. 26, 2018
Filed:
Apr. 10, 2017
Applicant:
Atotech Deutschland Gmbh, Berlin, DE;
Inventors:
Assignee:
Atotech Deutschland LLP, Berlin, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/56 (2006.01); C25D 3/04 (2006.01); C25D 3/06 (2006.01); C25D 3/10 (2006.01); C25D 3/08 (2006.01);
U.S. Cl.
CPC ...
C25D 3/10 (2013.01); C25D 3/06 (2013.01); C25D 3/08 (2013.01);
Abstract
The invention relates to electroplating baths and methods for electrodepositing a dark chromium layer on a workpiece. The trivalent chromium electroplating baths comprise sulphur compounds and the methods for electrodepositing a dark chromium layer employ these trivalent chromium electroplating baths. The dark chromium deposits and workpieces carrying dark chromium deposits are suited for application for decorative purposes.