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.:

US 8354036 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 15, 2013

Filed:

Nov. 14, 2006
Applicants:

Helena Catalan-asenjo, Munich, DE;

Michael Scheid, Den Haag, NL;

Josef Linska, Grafing, DE;

Matthias Schmidt, Brehna, DE;

Inventors:

Helena Catalan-Asenjo, Munich, DE;

Michael Scheid, Den Haag, NL;

Josef Linska, Grafing, DE;

Matthias Schmidt, Brehna, DE;

Assignee:

MTU Aero Engines GmbH, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for the pre-treatment of titanium components for the subsequent coating thereof is provided. The method includes at least the following steps: a) etching of the component in an acidic solution containing fluoride and nitric acid (HNO3); b) activation pickling of the etched component in a solution containing at least sodium nitrate (NaNO3) and tetrafluoroboric acid (HBF4); and c) activation of the activation-pickled component in a bath containing acid or in an acidic bath containing nickel.


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