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:
Feb. 05, 2008
Filed:
Sep. 26, 2003
Applicants:
Volkmar Sottke, Mülheim, DE;
Hartmut Westphal, Dermbach/Rhön, DE;
Hendrikus Van Den Berg, Venlo-Blerick, NL;
Inventors:
Volkmar Sottke, Mülheim, DE;
Hartmut Westphal, Dermbach/Rhön, DE;
Hendrikus Van Den Berg, Venlo-Blerick, NL;
Assignee:
Kennametal Widia GmbH & Co. KG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composite material has a base substrate body with first and second coatings. Each coating is formed by a multiphase layer of titanium oxide and at least two oxides from the group of aluminum, zirconium, and hafnium oxide and a second single-phase layer on the first layer consisting of only one oxide of aluminum, zirconium, and hafnium.