Method for producing pigment nano-particles
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United States of America Patent
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Aug 29, 2006
Grant Date -
May 15, 2003
app pub date -
Nov 5, 2002
filing date -
Nov 6, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Method for producing pigment nano-particles may include vaporizing a pigment precursor material; drawing the vaporized pigment precursor material into a precipitation conduit; contacting the vapor in the precipitation conduit with a collection fluid at a first location within the precipitation conduit, the contacting cooling the vapor and precipitating pigment nano-particles, the contacting occurring in the absence of a temperature change in the vapor at locations within the precipitation conduit that are upstream of the first location; and collecting the pigment nano-particles in a collection fluid.
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