Patent · US Active

Method for the production of valve metal powders

US10032564B2 · kind B2 · utility

1Cited by

3References

18Claims

0Family size

Assignee

H.C. STARCK TANTALUM AND NIOBIUM GMBH · DE

Inventors

Helmut Haas · Achim, DE
Ulrich Bartmann · Goslar, DE
Christoph Schnitter · Ottersberg, DE
Elisabeth Droste · Goslar, DE

Key dates

Filing date	Sep 24, 2005
Grant date	Jul 24, 2018
Priority date	—
Expiry date	May 10, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F2998/10
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present invention relates to a process for the deoxidation of valve metal primary powders by means of reducing metals and/or metal hydrides, and a process for the production of tantalum powders that are suitable as anode material for electrolytic capacitors.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.