Compositions and methods for anion absorbent metal hydroxides

Details Compositions and methods for anion absorbent metal hydroxides Compositions and methods for anion absorbent metal hydroxides

2008-07-01

2008-07-01

Bos, Steven (Department: 1793)

Compositions

Compositions containing a single chemical reactant or plural...

Inorganic reactant other than sulfur containing

C252S182350, C252S179000, C252S184000, C423SDIG014, C423S364000, C423S365000, C423S608000, C423S609000, C502S011000, C502S400000, C210S683000, C210S684000, C210S904000

Reexamination Certificate

active

07393466

ABSTRACT:
A metal hydroxide complex has a formula Me(OH)4*A−*nH2O or MeO2*A−*nH2O. Preferred complexes are formed in an alkaline medium, and particularly especially preferred anions include cyanide and cyanide gold complexes. Contemplated complexes are formed on a metal hydroxide (e.g., hydrated zirconium, hafnium, and titanium hydroxide), which may be disposed in a porous container. Consequently, contemplated compounds may be used in methods of reducing the concentration of an anion in an alkaline medium.

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