Method of concentrating fine particle dispersion and method...

Colloid systems and wetting agents; subcombinations thereof; pro – Continuous liquid or supercritical phase: colloid systems;... – Primarily organic continuous liquid phase

Reexamination Certificate

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C075S370000

Reexamination Certificate

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07732494

ABSTRACT:
A method for concentration of fine particles dispersed in a dispersion into an ionic liquid comprising, adding an ionic liquid, especially an organic ionic liquid at ordinary temperature, e.g., a salt of 1-butyl-3-methylimidazolium with PF6−to a dilute dispersion of fine particles so as to concentrate the fine particles into the ionic liquid.

REFERENCES:
patent: 5683574 (1997-11-01), Mazgarov et al.
patent: 6339182 (2002-01-01), Munson et al.
patent: WO 0234863 (2002-05-01), None
T. Welton. Room-Temperature Ionic Liquids. Solvents for Synthesis and Catalysis. Chem Rev. 1999, 99., p. 2071-2083, Amer. Chem. Soc.
H. Sasaki. Environmetally Beginning Reaction Which Uses Organic Ionic Liquid as a Solvent. Chemical, vol. 55, No. 3, 2000, p. 66-67.
K. Nobuo. Development of New Ionic Liquid and their Solvating Characteristics. Japan Chemical Society, 78th Spring Annual Meeting, Abstract 1, Lecture 2A1 06.
L. A. Blanchard. High-Pressure Phase Behavior of Ionic Liquid/CO2 Systems. J. Phys. Chem. B 2001, 105, 2437-2444, Amer. Chem. Soc.

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