Porous titania or zirconia spheres
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United States of America Patent
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-
Jul 7, 1992
Grant Date -
N/A
app pub date -
Dec 11, 1990
filing date -
Dec 11, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Porous titania or zirconia spheres having a particle diameter of about 1 to 100 microns, a pore volume of about 0.1 to 1 cc/g, and a pore diameter in the range of about 10 to 5,000 Angstrom units are made by spray drying a slurry of ultimate titania or zirconia particles having a diameter about equal to that of the desired pore diameter of the formed sphere, and a reactive binder. The spheres can be used in high performance liquid chromatography columns and as catalyst supports.
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