Title:
PRODUCTION OF VALVE METAL POWDERS WITH IMPROVED PHYSICAL AND ELECTRICAL PROPERTIES
Document Type and Number:
WIPO Patent Application WO2006012076
Kind Code:
A3
Abstract:
The invention relates to a process that involves (1) feeding (a) a first valve metal powder component containing valve metal particles and (b) reducing component into a reactor having a hot zone; and (2) subjecting the first valve metal powder component and the reducing component to non-static conditions sufficient to simultaneously (i) agglomerate the first valve metal powder component particles, and (ii) reduce oxygen content in the valve metal powder component particles, and thereby form a second valve metal powder component containing oxygen-reduced valve metal particles, in which the reducing component is selected from the group consisting of magnesium reducing components, calcium reducing components, aluminum reducing components, lithium reducing components, barium reducing components, strontium, reducing components, and combinations thereof.
Inventors:
LANIN LEONID L (US)
CONLON ANASTASIA M (US)
ALBARELLI MICHAEL J (US)
CONLON ANASTASIA M (US)
ALBARELLI MICHAEL J (US)
Application Number:
PCT/US2005/021659
Publication Date:
May 04, 2006
Filing Date:
June 21, 2005
Export Citation:
Assignee:
STARCK H C INC (US)
LANIN LEONID L (US)
CONLON ANASTASIA M (US)
ALBARELLI MICHAEL J (US)
LANIN LEONID L (US)
CONLON ANASTASIA M (US)
ALBARELLI MICHAEL J (US)
International Classes:
B22F1/00; B22F1/06; B22F1/145; B22F1/148; B22F9/20; C22C1/04
Foreign References:
| US6171363B1 | 2001-01-09 | |||
| US6238456B1 | 2001-05-29 | |||
| US4483819A | 1984-11-20 |
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