Process for producing inorganic microspheres
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United States of America Patent
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Dec 15, 1998
Grant Date -
N/A
app pub date -
Mar 7, 1997
filing date -
Apr 9, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing inorganic microspheres (solid spheres or hollow spheres), which comprises pulverizing a material by wet pulverization to an average particle size of at most 5 .mu.m to obtain a slurry of a pulverized powder material, spraying the slurry to form liquid droplets, and heating the liquid droplets to fuse or sinter the powder material to obtain inorganic microspheres.
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