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:
Nov. 29, 2011
Filed:
Mar. 01, 2007
Applicants:
Werner Stamm, Mülheim an der Ruhr, DE;
Jan Steinbach, Berlin, DE;
Inventors:
Werner Stamm, Mülheim an der Ruhr, DE;
Jan Steinbach, Berlin, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
Protective layers, according to the prior art, achieve their protective function b depletion of a defined element that forms a protective oxide layer or that is exhausted as a sacrificial material. Once said material is exhausted, the protective function cannot be maintained. The invention is characterized by using particles () that contain a sustained-release depot of the exhaustible material. For this purpose, the material is present in a superstoichiometric form.