Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2005-08-23
2009-11-03
Lorengo, Jerry (Department: 1793)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S608000, C423S579000, C423S592100
Reexamination Certificate
active
07611688
ABSTRACT:
The present invention is related to a process of manufacturing rutile high-purity titania nano sols in a pure aqueous medium having no ionic impurities. In more detail, the present invention is related to a process for manufacturing titania nano sols, in which high-purity rutile titania nano particles are dispersed stably, through the hydrolysis of titanium tetraisopropoxide in an aqueous solution containing hydrogen peroxide (H2O2), and simultaneously with the hydrolysis, formation of peroxotitanate precursors, and hydrothermal treatment of them at 50-120° C.
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Ahn Bok-Yeop
Kim Hoon
Seok Sang-Il
Cantor & Colburn LLP
Korea Research Institute of Chemical Technology
Lorengo Jerry
Smith Jennifer A
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