Compositions for reversibly binding oxygen

C - Chemistry – Metallurgy – 07 – F

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Details

C07F 15/06 (2006.01) B01D 53/04 (2006.01) B01J 20/02 (2006.01) B01J 20/04 (2006.01) B01J 20/22 (2006.01) C01B 13/02 (2006.01) C07F 17/02 (2006.01)

Patent

CA 2107844

ABSTRACT High capacity solid state compositions comprising cyanocobaltate complexes have been developed which are capable of reversibly chemically binding oxygen to selectively remove oxygen from an oxygen-containing fluid stream. The cyanocobaltate complexes which make up the compositions comprise a cobalt (II)-containing anion having from 3 to 5 cyanide ligands wherein at least one cyanide stretching mode, as measured by infrared spectroscopy, is between 2074 cm-1 and 2140 cm-1. Additionally, these complexes have a charge-balancing cation having a molecular volume in excess of 40.ANG.3.

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