Multiple metal oxide submicron particles
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United States of America Patent
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Jan 29, 2008
Grant Date -
Jun 24, 2004
app pub date -
Sep 4, 2003
filing date -
Nov 9, 1998
priority date (Note) -
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Abstract
Collections of particles comprising multiple a metal oxide can be formed with average particle sizes less than about 500 nm. In some embodiments, the particle collections have particle size distributions such that at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter. Also, in further embodiments, the particle collections have particle size distribution such that effectively no particles have a diameter greater than about four times the average diameter of the collection of particles.
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