Dispersion of zirconium oxide and process for producing the same
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United States of America Patent
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Aug 16, 2016
Grant Date -
Dec 19, 2013
app pub date -
Jul 31, 2013
filing date -
Dec 24, 2008
priority date (Note) -
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Abstract
The invention provides a process for producing an aqueous dispersion of zirconium oxide that includes: reacting a zirconium salt with an alkali in water to obtain a slurry of particles of zirconium oxide; filtering, washing, and repulping the slurry; adding an organic acid to the resulting slurry in an amount of one mole part or more per mole part of the zirconium in the slurry; hydrothermally treating the resulting mixture at a temperature of 170° C. or higher; and washing the resulting aqueous dispersion of particles of zirconium oxide.
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International Classification(s)
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G03B:APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS O....
- G02C:SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY ....
- C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....
- G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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