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:
Apr. 14, 2015
Filed:
Sep. 08, 2010
Applicants:
Zdenek Starkbaum, Tanvald, CZ;
Lukas Bedrnik, Tanvald, CZ;
Kostantin Schwarz, Berlin, DE;
Bjorn Dingwerth, Berlin, DE;
Inventors:
Zdenek Starkbaum, Tanvald, CZ;
Lukas Bedrnik, Tanvald, CZ;
Kostantin Schwarz, Berlin, DE;
Bjorn Dingwerth, Berlin, DE;
Assignee:
Atotech Deutschland GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/34 (2006.01); C23C 22/53 (2006.01);
U.S. Cl.
CPC ...
C23C 22/34 (2013.01); C23C 22/53 (2013.01);
Abstract
The invention relates to chromium- and cobalt-free treatment solutions for producing black coatings which afford corrosion protection. The treatment solution of the invention contains oxo cations or complex halogen ions or mixtures of oxo cations and complex halogen ions, an oxidant and an organic sulphur compound.