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Purification of metal-organic framework materials

United States Patent

December 4, 2012
View the Complete Patent at the US Patent & Trademark Office
A method of purification of a solid mixture of a metal-organic framework (MOF) material and an unwanted second material by disposing the solid mixture in a liquid separation medium having a density that lies between those of the wanted MOF material and the unwanted material, whereby the solid mixture separates by density differences into a fraction of wanted MOF material and another fraction of unwanted material.
Farha; Omar K. (Morton Grove, IL), Hupp; Joseph T. (Northfield, IL)
Northwestern University (Evanston, IL)
12/ 661,771
March 23, 2010
CONTRACTUAL ORIGIN OF THE INVENTION This invention was made with government support under Grant No. DE-FG02-01ER15244 awarded by the Department of Energy and under Grant No. EEC-0647560 awarded by the National Science Foundation. The Government has certain rights in the invention.