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Supermicroporous metal oxides
(United States. Patent and Trademark Office, 2007-11-20)
A new class of supermicroporous mixed oxides, with pore sizes in the 10-20 Å range has been prepared utilizing basic metal acetates. The reactions are carried out in non-aqueous solvent media to which an excess of amine ...
Ion exchange materials for use in a 213Bi generator
(United States. Patent and Trademark Office, 2007-05-01)
A bismuth-213 generator comprising an insoluble composition having the general formula Zr(Phosponate)x(HPO4)2−x.nH2O, wherein x is between 0 and 2; and n is the number of waters of hydration; and wherein cations of radioactive ...