FINE PARTICLE PRODUCTION METHOD AND FINE PARTICLES
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United States of America Patent
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Issued Date -
Mar 11, 2021
app pub date -
Jan 10, 2019
filing date -
Jan 26, 2018
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Abstract
Provided are: a fine particle production method that makes it possible to control the acidity, i.e., a surface property, of fine particles; and fine particles. A fine particle production method in which a raw material powder is used to produce fine particles by means of a gas phase method. The fine particle production method has a step for supplying an organic acid to raw material fine particles. The gas phase method is, for example, a thermal plasma method or a flame method. The fine particles have a surface coating that includes at least a carboxyl group.
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