Ultrafine nepheline syenite
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United States of America Patent
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N/A
Issued Date -
Jan 17, 2008
app pub date -
Feb 7, 2007
filing date -
Jul 13, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A useable particulate nepheline syenite having a grain size to provide an Einlehner Abrasive Value of less than about 100 is described. The particulate nepheline syenite is generally free from agglomeration and moisture free. At least 99% of the nepheline syenite particles have a size less than 10 microns. In practice, the nepheline syenite grain size is less than about 5 microns and the distribution profile of the particulate system is generally 4-5 microns.
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