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:
Dec. 23, 2008
Filed:
Jun. 10, 2003
Applicants:
Robert Vassen, Herzogenrath, DE;
Sigrid Schwartz-lückge, Heinsberg-Randerath, DE;
Wolfgang Jungen, Eschweiler, DE;
Detlev Stöver, Niederzier, DE;
Inventors:
Robert Vassen, Herzogenrath, DE;
Sigrid Schwartz-Lückge, Heinsberg-Randerath, DE;
Wolfgang Jungen, Eschweiler, DE;
Detlev Stöver, Niederzier, DE;
Assignee:
Forschungszentrum Julich GmbH, Julich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heat-insulating material has a melting point above 2500° C., a thermal expansion coefficient in excess of 8×10K, and a sintering temperature greater than 1400° C. It has a perovskite structure of the general formula A(B'B″)Owhere