Systems for Preparing Fine Articles and Other Substances
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United States of America Patent
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Issued Date -
Nov 15, 2007
app pub date -
Dec 19, 2004
filing date -
Dec 19, 2003
priority date (Note) -
Abandoned
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Abstract
This invention relates to controlled preparation of fine particles such as nano-crystalline films and powders with at least one solvent being in a supercritical state. It provides methods, measures, apparatus and products produced by the methods. In other aspects, the invention relates to further treatment of formed particles such as encapsulation of formed primary particles, and methods and measures for collection of formed substances in a batch wise, semi-continuous or continuous manner.
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