Invention Grant
US08623112B2 Processes for preparing valve metal powders, powders prepared thereby and uses therefor
有权
用于制备阀门金属粉末的方法，由此制备的粉末并用于其
- Patent Title: Processes for preparing valve metal powders, powders prepared thereby and uses therefor
- Patent Title (中): 用于制备阀门金属粉末的方法，由此制备的粉末并用于其
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Application No.: US12067063Application Date: 2006-09-07
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Publication No.: US08623112B2Publication Date: 2014-01-07
- Inventor: Josua Löffelholz , Jürgen Hilpert
- Applicant: Josua Löffelholz , Jürgen Hilpert
- Applicant Address: DE
- Assignee: H.C. Starck GmbH
- Current Assignee: H.C. Starck GmbH
- Current Assignee Address: DE
- Agency: Novak Druce Connolly Bove + Quigg LLP
- Priority: DE102005044280 20050916
- International Application: PCT/EP2006/008809 WO 20060907
- International Announcement: WO2007/031246 WO 20070322
- Main IPC: B22F1/00
- IPC: B22F1/00 ; B22F9/00 ; C21B15/04 ; C22B5/20 ; C22C1/04
Abstract:
Processes comprising: melting a mixture comprising a valve metal precursor and a diluting agent in at least one first vessel under a first set of temperature and residence time conditions; transferring the mixture to at least one second vessel; and initiating, in the at least one second vessel, a reaction of the valve metal precursor to form a valve metal under a second set of temperature and residence time conditions; valve metal powder prepared thereby and uses therefor.
Public/Granted literature
- US20080254293A1 Reduction Method Public/Granted day:2008-10-16
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