Method of preparing feedstock liquid, method of preparing...

Details Method of preparing feedstock liquid, method of preparing... Method of preparing feedstock liquid, method of preparing...

2004-12-22

2009-12-08

Lorengo, Jerry (Department: 1793)

Chemistry of inorganic compounds

Radioactive

Uranium compound

Reexamination Certificate

active

07628970

ABSTRACT:
The object of the present invention is to provide a feedstock liquid, from which fuel kernels with good quality can be produced, and a method of preparing the feedstock liquid. The present invention provides a feedstock liquid with a viscosity from 4.0×10−2to 6.5×10−2Pa·s at 15° C., for the production of ammonium diuranate particles. The present invention also provides a method of preparing a feedstock liquid used for the production of ammonium diuranate particles, which includes mixing a uranyl nitrate solution and tetrahydrofurfuryl alcohol to produce a uranyl nitrate mixture, dissolving polyvinyl alcohol in water to produce an aqueous polyvinyl alcohol solution, mixing the aqueous polyvinyl alcohol solution with tetrahydrofurfuryl alcohol to produce a polyvinyl alcohol solution, and mixing the uranyl nitrate mixture with the polyvinyl alcohol solution.

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Notification of Reasons for Rejection issued by the JPO mailed on Feb. 27, 2009 regarding Japanese Patent Application No. 2003-427059 (with English translation of said Notification).

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