Invention Grant
- Patent Title: Niobium powders having a particle shape
- Patent Title (中): 具有颗粒形状的铌粉末
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Application No.: US14244105Application Date: 2014-04-03
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Publication No.: US09543075B2Publication Date: 2017-01-10
- Inventor: Josua Löffelholz , Jürgen Hilpert
- Applicant: H.C. Starck GmbH
- Applicant Address: DE
- Assignee: H.C. Starck GmbH
- Current Assignee: H.C. Starck GmbH
- Current Assignee Address: DE
- Agency: Drinker Biddle & Reath LLP
- Priority: DE102005044280 20050916
- Main IPC: H01G2/00
- IPC: H01G2/00 ; B22F9/24 ; C22B5/00 ; C22B34/24 ; H01G9/052 ; B22F1/00 ; C22C27/02
Abstract:
A valve metal powder having a particle shape factor mean value f, as determined by SEM image analysis, of 0.65≦f≦1, said powder has an average agglomerate particle size D50 value, as determined with a MasterSizer in accordance with ASTM B 822, of 40 to 200 μm and wherein the valve metal powder is niobium.
Public/Granted literature
- US20140302338A1 NIOBIUM POWDERS HAVING A PARTICLE SHAPE Public/Granted day:2014-10-09
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