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:
Mar. 24, 2020
Filed:
Feb. 05, 2014
Alantum Europe Gmbh, Munich, DE;
Fraunhofer Gesellschaft Zur Forderung Der Angewandten Forschung E.v., München, DE;
Dejan Radivojevic, Vienna, AT;
Dirk Neumann, Cherry Valley, CA;
Shadi Saberi, Kanata, CA;
Jungsuk Bae, Seoul, KR;
Rene Poss, Hanau, DE;
Tilo Büttner, Dresden, DE;
Gunnar Walther, Dresden, DE;
Hans-Dietrich Böhm, Dresden, DE;
Thomas Weissgärber, Dresden, DE;
Burghardt Klöden, Dresden, DE;
Arne Boden, Dresden, DE;
Alantum Europe GmbH, Munich, DE;
FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V., Munich, DE;
Abstract
A metallic foam body containing an alloy skin which is up to 50 μm thick can be obtained by a process including (a) providing a metallic foam body comprising a first metallic material; (b) applying a second metallic material which contains a first metallic compound that is leachable as such and/or that can be transformed by alloying into a second metallic compound that is leachable and different from the first metallic compound on a surface of the foam body (a), by coating the metallic foam body with an organic binder and a powder of the second metallic material; (c) forming a skin on foam body (b) by alloying the first and the second metallic material; and (d) leaching out with a leaching agent at least a part of the first and/or the second metallic compound.