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:
Jun. 03, 2008
Filed:
Jul. 13, 2004
Applicants:
Oliver Thomas, Bad Harzburg, DE;
Christoph Schnitter, Holle, DE;
Inventors:
Oliver Thomas, Bad Harzburg, DE;
Christoph Schnitter, Holle, DE;
Assignee:
H.C. Starck GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 33/00 (2006.01); H01G 9/00 (2006.01); H01G 9/04 (2006.01); H01G 9/042 (2006.01);
U.S. Cl.
CPC ...
Abstract
A niobium suboxide powder comprising 100 to 600 ppm of magnesium is described. The niobium suboxide powder may (alternatively or in addition to 100 to 600 ppm of magnesium) further include 50 to 400 ppm of molybdenum and/or tungsten. The niobium suboxide powder is suitable for the production of: capacitors having an insulator layer of niobium pentoxide; capacitor anodes produced from the niobium suboxide powder; and corresponding capacitors.