Colloid systems and wetting agents; subcombinations thereof; pro – Continuous liquid or supercritical phase: colloid systems;... – Aqueous continuous liquid phase and discontinuous phase...
Reexamination Certificate
2003-05-30
2009-10-20
Metzmaier, Daniel S (Department: 1796)
Colloid systems and wetting agents; subcombinations thereof; pro
Continuous liquid or supercritical phase: colloid systems;...
Aqueous continuous liquid phase and discontinuous phase...
C106S287190, C106S436000, C502S227000
Reexamination Certificate
active
07605186
ABSTRACT:
A method of manufacturing a neutral and transparent metal oxide colloid solution containing dispersed titanium dioxide nano particles comprising the steps of (i) adding a titanium compound and a stabilizer to alcohol to produce a titanium-containing solution and (ii) neutralizing the titanium-containing solution of step (i) by adding a basic solution to produce a neutralized solution with the pH of the neutralized solution in a range of 6-8; and (iii) heating the neutralized solution at a temperature of above 75° C.
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Form PCT/IB/306 Notification Of The Recording Of A Change form in which inventor Kyoung Chul LEE has been recorded as applicant for the US only and inventor for all designated States, (Nov. 2004).
Chung Hoon
Ko Jung Chan
Lee Kyoung Chul
Son Tae Man
Baker & Hostetler LLP
Metzmaier Daniel S
Sunhanmnt Co., Ltd.
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