Radiant energy – Fluent material containment – support or transfer means – With irradiating source or radiating fluent material
Reexamination Certificate
2007-05-31
2010-02-09
Souw, Bernard E (Department: 2881)
Radiant energy
Fluent material containment, support or transfer means
With irradiating source or radiating fluent material
C250S428000, C250S429000, C250S430000, C250S431000, C250S43200R, C250S435000, C250S436000, C376S190000, C376S194000, C376S195000
Reexamination Certificate
active
07659522
ABSTRACT:
A method of purifying the used O-18 enriched cyclotron target water contaminated by the various organic compounds, the method including: supplying gaseous oxygen into the target water to be purified; irradiating UV rays having wavelengths of 254 nm and 185 nm on the target water; and releasing the gases generated during the purification oxidation process.
REFERENCES:
patent: 6567492 (2003-05-01), Kiselev et al.
“Purification by Ozonolysis of 180 enriched water after cyclotron irradiation and the utilization of purified water for the production of [18F]-FDG (2-deoxy-2-[18F]-fluoro-D glucose)” Asti, M., Grassi, E., Sghedoni, R., De Pietri, G., Fiorini, F., Versari, A., Borasi, G., Salvo, D. Applied Radiation and ISotopes, vol. 65, (2007) pp. 831-835.
“An Automated system for oxygen-18 water recovery and fluorine-18 delivery” Schueller, M., Ferrieri, R.A., Schyler, D.J., Nuclear Instruments and Methods in Physics Research B 241 (2005), pp. 660-664.
“Performance assessment of )-18 water purifier” Kitano, H., Magata, Y., Tanak, A. Mukai, T., Kuge, Y., Nagatsu, K., Saji, H. Annals of Nuclear Medicine vol. 15, No. 1, pp. 75-78 (2001).
Sewon Bae, et al., “Purification of the organic impurities contained in the used cyclotron target water using catalytic reaction of dissolved oxygen under UV irradiation,” Transactions of the Korean Nuclear Society, Autumn Meeting, Gyeongju, Korea, Nov. 2-3, 2006, pp. 1-2.
Bae Se Won
Kim Jae Woo
Kim Sang Wook
Kim Taek Soo
Korea Atomic Energy Research Institute
McDermott Will & Emery LLP
Sahu Meenakshi S
Souw Bernard E
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