Method and apparatus for making high purity silica powder by ball milling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 29, 2004
app pub date -
Jan 24, 2003
filing date -
Jan 24, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and apparatus for making highly pure silica powder by milling the substantially pure SiO.sub.2 charge in a ball mill which is made with an interior lining of contiguous silicon nitride plates or tiles and which employs silicon nitride media. The silicon nitride plates and media prevent contamination of the silica charge while minimizing their deterioration. The resulting slip (wet milling) or mix (dry milling) is of a higher purity because there are no substantial impurities contributed by the mill liner material or by the media.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully