Process for the manufacture of nanoparticle organic pigments

Details Process for the manufacture of nanoparticle organic pigments Process for the manufacture of nanoparticle organic pigments

2005-01-04

2005-01-04

Smith, Duane S. (Department: 1724)

Gas separation: processes

Liquid contacting

C023S29400S, C106S400000

Reexamination Certificate

active

06837918

ABSTRACT:
A process and apparatus collects pigment nanoparticles by forming a vapor of a pigment that is solid at room temperature, the vapor of the pigment being provided in an inert gaseous carrying medium. At least some of the pigment is solidified within the gaseous stream. The gaseous stream and pigment material is moved in a gaseous carrying environment into or through a dry mechanical pumping system. While the particles are within the dry mechanical pumping system or after the nanoparticles have moved through the dry pumping system, the pigment material and nanoparticles are contacted with an inert liquid collecting medium.

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